weight CHEVROLET CAMARO 1967 1.G Chassis Owner's Guide

ENGINE
6-38

4.
Install new mount on engine.

5. Lower engine, install through-bolt and tighten all

mount bolts to specified torques.

Rear Mount Replacement

1.
Remove crossmember-to-mount bolts.

2.
Raise transmission to release weight from mount.
3.
Remove mount-to-transmission bolts, then remove

mount (and spacer on Chevrolets).

4.
Install new mount (and spacer on Chevrolets) on

transmission.

5. While lowering transmission, align and start cross-

member-to-mount bolts.

6. Lower transmission and tighten all mounting bolts

to specified torques.

CHEVELLE
CHEVY
II

FRONT

REAR
CORVETTE

FRONT

REAR
CAMARO

FRONT

REAR

Fig.
29V -
Engine Mounts

CHEVROLET CHASSIS SERVICE MANUAL

ENGINE-ELECTRICAL 6Y-18

IGNITION SYSTEMS

INDEX

Page

General Description . 6Y-18

Maintenance and Adjustments 6Y-19

Breaker Point System 6Y-19

Breakerless System . . 6Y-X9

Ignition Coil Check 6Y-19

Spark Plugs 6Y-19

Service Operations , 6Y-19

Distributor Contact Points . 6Y-19

Cleaning 6Y-19

Replacement 6Y-20

Setting Dwell Angle 6Y-21

Distributor Condenser 6Y-22

Performance Diagnosis. 6Y-22

Replacement . . 6Y-23

Distributor

Breaker Point Type 6Y-23

Removal. . 6Y-23

Disassembly • 6Y-23
Page

Cleaning and Inspection .....'.., 6Y-25

Assembly . 6Y-25

Installation 6Y-26

Breakerless i 6Y-27

Removal . 6Y-27

Disassembly and Assembly 6Y-27

Installation 6Y-27

Off-Engine Test. . 6Y-27

Coil Replacement 6Y-27

Pulse Amplifier. 6Y-28

Disassembly .6Y-4S8

Component Checks
!
6Y-28

Assembly 6Y-29

Ignition Switch Replacement 6Y-29

Spark Plugs 6Y-30

Cleaning and Regapping I ....... 6Y-30

Installation . 6Y-31

GENERAL DESCRIPTION

There are two ignition systems available on 1967

vehicles. The breaker point type which is continued as

the regular production system and the optional (Corvette

only) transistor controlled breakerless ignition system

(magnetic pulse type). The transistor ignition system

features a specially designed distributor, control unit

(ignition pulse amplifier), and a special coil. Two resist-

ance wires are also used in the circuit; one as a ballast

between the coil negative terminal and ground, while the

other resistance wire provides a voltage drop for the

engine run circuit and is by-passed at cranking. The

other units in the system (the ignition switch, spark

plugs,
and battery) are of standard design. The dis-

tributor and control unit (ignition pulse amplifier) are

shown in Figures li and 2i.

CAP-

VACUUM

PICK-UP

COIL LEADS

PICK-UP COIL

CONNECTOR BODY
Although the external appearance of the distributor

resembles a standard distributor, the internal construc-

tion is quite different. As shown in the exploded view

(fig. 16i) an iron timer core replaces the conventional

breaker cam. The timer core has the same number of

equally-spaced projections, or vanes as engine cylinders.

The timer core rotates inside a magnetic pickup as-

sembly, which replaces the conventional breaker plate,

contact point set, and condenser assembly. The magnetic

pickup assembly consists of a ceramic permanent mag-

net, a pole piece, and a pickup coil. The pole piece
is.
a

steel plate having equally spaced internal teeth, one tooth

for each cylinder of the engine.

The magnetic pickup assembly is mounted over the

main bearing of the distributor housing, and is made to

rotate by the vacuum control unit, thus providing vacuum

advance. The timer core is made to rotate about the shaft

by conventional advance weights, thus providing centrifu-

gal advance.

Fig.
li—
Magnetic Pulse Distributor
Fig.
2i-lgnition Pulse Amplifier Unit

CHEVROLET CHASSIS SERVICE MANUAL

ENGINE-ELECTRICAL 6Y-20

cause oxidized contact points. Check for these conditions

where burned contacts are experienced. An
out-of-

balance condition in the ignition system, often the result

of too much or too little condenser capacity, is indicated

where point pitting is encountered.

REPLACEMENT

Four and Six Cylinder Engine Distributor

1.
Release distributor cap hold-down screws, remove

cap and place it out of work area.

2.
Remove rotor.

3.
Pull primary and condenser lead wires from contact

point quick disconnect terminal (fig. 4i).

4.
Remove contact set attaching screw, lift contact point

set from breaker plate.

5.
Clean breaker plate of oil smudge and dirt.

6. Place new contact point assembly in position on

breaker plate, install attaching screw.

CAUTION: Carefully wipe protective film from

point set prior to installation.

NOTE: Pilot on contact set must engage match-

ing hole in breaker plate.

7.
Connect primary and condenser lead wires to quick

disconnect terminal on contact point set. .

8. Check and adjust points for proper alignment and

breaker arm spring tension (fig. 5i). Use an aligning

tool to bend stationary contact support if points need

alignment.

NOTE: The contact point pressure must fall

within specified limits. Weak tension will cause

CONTACT SET

ATTACHING

SCREW

QUICK

DISCONNECT

TERMINAL

BREAKER PLATE

ATTACHING SCREWS
chatter, resulting in arcing and burning of-the

points and an ignition miss at high speed, while

excessive tension will cause undue wear of the

contact points, cam and rubbing block. Breaker

arm spring tension should be 19-23 ounces. The

contact point pressure should be checked with a

spring gauge. The scale should be hooked to the

breaker lever and the pull exerted at 90 degrees

to the breaker lever as shown in Figure 5i. The

reading should be taken just as the points sepa-

rate.
The pressure can be adjusted by bending

the breaker lever spring. If the pressure is ex-

cessive, it can be decreased by pinching the

spring carefully. To increase pressure,, the

lever must be' removed from the distributor so

the spring can be bent away from the lever.

Avoid excessive spring distortion.

9. Set point opening (.019" for new points).

10.
Reinstall rotor, position and lock distributor cap to

housing.

11.
$tart engine and test dwell and ignition timing.

Eight Cylinder Engine Distributor

1.
The contact point set is replaced as one complete

assembly and only dwell angle requires adjustment

after replacement. Breaker lever spring tension and

point alignment are factory set.

2.
Remove the distributor cap by placing a screw driver

in the slot head of the latch, press down and turn 1/4

turn in either direction.

3.
Remove the two attaching screws which hold the base

of the contact set assembly in place.

4.
Remove the primary and condenser leads from their

nylon insulated connection (fig. 6i) in contact set.

5.
Reverse Steps 2, 3 and 4 to install new contact set.

CAUTION:. Install the primary and condenser

leads as shown in Figure 6i. Improper installa-

tion will cause lead interference between the

cap,
weight base and breaker advance plate.

6. If car has 20,000 to 25^000 miles (or sooner if

desired) the cam lubricator wick (fig. 7i) should be

changed. Using long nosed pliers squeeze assembly

together at base and lift out. Remove all old lubri-

cant from cam surface. Replace in same manner.

Fig.
4i—Breaker Plate and Attaching Parts
Fig. 5i—-Checking Breaker Arm Spring Tension

CHEVROLET CHASSIS SERVICE MANUAL

ENGINE-ELECTRICAL 6Y-23

condenser leak or to a defective connection. This

will cause burned points and ignition failure upon

initial starts and at high speeds.

4.
Capacity - Capacity is determined by the area of

the metallic elements and the insulating and im-

pregnating materials.

For a complete check of the condenser, use a tester

which will check for all of the above conditions. Follow

the instructions given by the manufacturer of the

test equipment. Condenser capacity should be
.18-:
23

microfarads.

REPLACEMENT

Four and Six Cylinder Engine Distributor (Fig. 4i)

1.
Release distributor cap hold-down screws, remove

cap and place it out of the work area.

2.
Remove rotor.

3.
Disconnect condenser lead wire from contact point

quick-disconnect terminal.

4.
Remove condenser attaching screw, lift.condenser

from breaker plate and wipe breaker plate clean.

5. Install new condenser using reverse of procedure

outlined above.

Eight Cylinder Engine Distributor

1.
Remove distributor cap.

2.
Loosen condenser lead attaching screw (fig. 6i) and

lift out condenser lead clip.

3.
Remove screw holding condenser bracket to breaker

plate and slide condenser from bracket.

4.
To replace condenser reverse the above procedure.

NOTE:
Make sure that new condenser lead is

installed in proper position (fig. 6i).

DISTRIBUTOR

(BREAKER POINT TYPE)

REMOVAL

1.
On radio equipped Corvettes, remove ignition shield

from over distributor and coil. One bolt is accessible

from top of shield, the other two are at rear of

shield, facing firewall.

2.
Release the distributor cap hold-down screws, re-

move the cap and place it clear of the work area.

NOTE:
If necessary, remove secondary leads

from the distributor cap after first marking the

cap tower for the lead to No. 1 cylinder. This

will aid in the reinstallation of leads in the cap.

3.
Disconnect the distributor primary lead from the coil

terminal.

4.
Scribe a realignment mark on the distributor bowl

and engine in line with the rotor segment.

5. Disconnect vacuum line to distributor and tachometer

drive cable (Corvette). Remove the distributor hold-

down bolt and elamp and remove the distributor from

the engine. Note position of vacuum advance mecha-

nism relative to the engine.

CAUTION: Avoid rotating the engine with the

distributor removed as the ignition timing will

be upset.
Rg.
121-L-6 Distributor-Exploded View

1.
Breaker Plate Attaching

Screws

2.
Condenser Attaching

Screws

3. Condenser

4.
Breaker Plate Assembly

4a.
Cam Lubricator

5. Vacuum Control Assembly

6. Vacuum Control

Attaching Screws

7. Housing

8. Cap

9. Rotor

DISASSEMBLY
10.
Contact Point

Attaching Screw

11.
Contact Point Assembly

12.
Weight Cover

Attaching Screws

13.
Weight Cover

14.
Weight Springs

15.
Advance Weights

16. Cam Assembly

17.
Main Shaft Assembly

18.
Roll Pin

19.
Drive Gear

It is advisable to place the distributor in a distributor

testing machine or synchroscope prior to disassembly.

CHEVROLET CU
SERVICE MANUAL

ENGINE-ELECTRICAL 6Y-24

Fig.
13I-V-8 Distributor (Typical)-Exploded View

1.

2.

2a.

3.

4.
Condenser

Contact Point Assembly

Cam Lubricator

Retaining Ring

Breaker Plate
5.

5a.

6.

7.
Felt Washer

Plastic Seal

Vacuum Advance

Unit

Housing
8.^
Shim
Washer

9. Drive Gear Pin

10.
Drive Gear

11.
Cap

12.
Rotor
13.
Weight Springs

14.
Mainshaft

15.
Advance Weights

16.
Cam Weight

Base Assembly

When mounting distributors for tests, first secure the

gear in the test drive mechanism, then push the distribu-

tor housing downward toward the gear to take up any end

play between the gear and the housing.

NOTE:
When testing distributors that have

their lower shaft support bushing located in the

engine block (6 cylinder engines), a special

adapter should be used to insure the shaft will

run true in its housing.

Test the distributor for variation of spark, correct

centrifugal and vacuum advance and condition of contacts.

This test will give valuable information on distributor

condition and indicate parts replacement which may be

necessary. Check the area on the breaker plate just

beneath the contact points. A smudgy line indicates that

oil or crankcase vapors have been present between the

points.

Four and Six Cylinder Engines

Refer to Figure 12i.

1.
Remove the rotor.
2.

3.
Remove the vacuum control assembly retaining

screws, detach the unit from the distributor housing.

Disconnect the primary and condenser leads from the

contact point quick disconnect terminal, remove the

contact point set attaching screw, condenser attach-

ing screw. Remove the point set and condenser from

the breaker plate.

Remove the breaker plate attaching screws, remove

the breaker plate from the distributor housing (fig.

NOTE:
Do not disassemble breaker plate any

further.

5. Remove the roll pin retaining the driven gear to the

mainshaft, slide the gear from the shaft.

6. Slide the cam and mainshaft from the distributor

housing.

7. Remove the weight cover, and stop plate screws, re-

move the cover, weight springs, weights and slide

cam assembly from the mainshaft.

V-8 Engines

Refer to Figure 13i.

CHEVROLET CHASStS SERVICE MANUAL

ENGINE-ELECTRICAL 6Y-25

1.
Remove the rotor.

2.
Remove both weight springs and advance weights.

3.
Remove roll pin retaining driven gear to distributor

shaft, slide the gear and spacers from the shaft.

Remove tachometer drive gear on Corvette models.

4.
Before sliding the distributor shaft from the hous-

ing, check for and remove any burrs on the shaft.

This will prevent damage to the seals and bushing

still positioned in the housing.

5. Slide the distributor mainshaft and cam-weight base

assembly from the housing.

6. Remove vacuum advance mechanism retaining

screws, remove the vacuum advance assembly.

7. Remove the spring retainer, remove the breaker

plate assembly from the distributor housing. Re-

move the contact point and condenser from the

breaker plate. Remove the felt washer and plastic

seal located beneath the breaker plate.

CLEANING AND INSPECTION

1.
Wash all parts in cleaning solvent except cap, rotor,

condenser, breaker plate assembly and vacuum con-

trol unit. Degreasing compounds may damage insula-

tion of these parts or saturate the lubricating felt in

the case of the breaker plate assembly.

2.
Inspect the breaker plate assembly for damage or

wear and replace if necessary.

3.
Inspect the shaft for wear and check its fit in the

bushings in the distributor body. If the shaft or bush-

ings are worn, the parts should be replaced.

4.
Mount the shaft in "V" blocks and check the shaft

alignment with a dial guage. The run-out should not

exceed .002".

5. Inspect the advance weights for wear or burrs and

free fit on their pivot pins.

6. Inspect the cam for wear or roughness. Then check

its fit on the end of the shaft. It should be absolutely

free without any roughness.

7. Inspect
the •
condition of the distributor points. Dirty

points should be cleaned and badly pitted points

should be replaced. (See Distributor Contact Points.)

8. Test the condenser for series resistance, micro-

farad capacity (.18 to .23) and leakage or breakdown,

following the instructions given by the manufacturer

of the test equipment used.

9. Inspect the distributor cap and sparkplug wires for

damage and replace if necessary.

ASSEMBLY

Four and Six Cylinder Engine

Refer to Figure 12i for Exploded View of Distributor.

1.
Replace cam assembly to mainshaft.

NOTE:
Lubricate top end of shaft with Delco

cam and ball bearing grease or equivalent prior

to replacing.

2.
Install governor weights on their pivot pins, replace

weight springs. Install weight cover and stop plate.

3.
Lubricate mainshaft and install it in distributor

housing.

4.
Install distributor driven gear to mainshaft and in-

sert attaching roll pin. Check to see that shaft turns

freely.
5. Install breaker plate assembly in the distributor body

and attach retaining screws.

6. Attach condenser and contact point set in proper lo-

cation with appropriate attaching screws.

NOTE:
Contact point set pilot must engage

matching hole in breaker plate. Connect primary

and condenser leads to contact set quick-

disconnect terminal.

7. Attach vacuum control assembly to distributor

housing.

8. Check and adjust contact point opening and align-

ment (See setting and alignment of points.)

9. Check breaker lever spring tension which should

be.
19-23 ounces. (See contact point replacement.)

V-8 Assembly-(Fig. 13i)

1.
Fill housing lubricating cavity with proper compound,

press in new plastic seal and install felt washer.

2.
Replace the vacuum advance unit, install the breaker

plate in housing and install the spring retainer on

the upper bushing.

3.
Lubricate and slide weight cam over mainshaft and

install weights and spring (fig. 14i).

4.
Insert mainshaft into housing, indexing it with drive

gear and washers. Install tachometer drive gear on

Corvette models.

5. Slide distributor drive gear shims and gear over

shaft and install new pin. Tap new pin through gear

and mainshaft. Check shaft for free rotation.

NOTE:
Mainshaft end clearance should be

.002"-.007". Add or remove shims as necessary.

6. Install contact point set and condenser to breaker

plate. Connect leads as shown in Figure 6i.

NOTE:
Contact point spring tension is factory-

set above specifications to assure ease of final

adjustment. Correct tension is 19-23 oz.

7. Install rotor to cam assembly, indexing round and

square pilot holes.

Flg.
Hi-Advance Weights Installed

CHEVROLET CHASSIS SERVICE

ENGINE-ELECTRICAL 6Y-27

timing mark on pulley lines up with timing tab.

2.
Position distributor to opening in block in normal

installed attitude (fig. 15i), noting position of vacuum

control unit.

3.
Position rotor to point toward front of engine (with

distributor housing held in installed attitude), then

turn rotor counter-clockwise approximately 1/8 turn

more toward left cylinder bank and push distributor

down to engine camshaft. It may be necessary to ro-

tate rotor slightly until camshaft engagement is felt.

4.
While pressing firmly down on distributor housing,

kick starter over a few times to make sure oil pump

shaft is engaged. Install hold-down clamp and bolt

and snug up bolt.

5. Turn distributor body slightly until points just open

and tighten distributor clamp bolt.

6. Place distributor cap in position and check to see

that rotor lines up with terminal for No. 1 spark

plug.

7. Install cap, check all high tension wire connections

and connect spark plug wires if they have been re-

moved. It is important that the wires be installed in

their location in the supports.

NOTE:
The brackets are numbered to show the

correct installation. Wires must be installed as

indicated to prevent cross firing.

8. Connect vacuum line to distributor and distributor

primary wire to coil terminal.

9. Start engine and set timing as described under Turn-

Up in Section 6.

BREAKERLESS (MAGNETIC PULSE)

DISTRIBUTOR

REMOVAL (CORVETTE)

1.
If vehicle is equipped with radio, remove three bolts

securing ignition shield over distributor and coil.

One bolt is accessible from the top of shield, the

other two are at rear of shield, facing firewall.

2.
Disconnect tachometer drive cables from distributor

housing.

3.
Disconnect pickup coil leads at connector.

4.
Remove distributor cap.

5. Crank engine so rotor is in position to fire No. 1

cylinder and timing mark on harmonic balancer is

indexed with pointer.

6. Remove vacuum line from distributor.

7. Remove distributor clamping screw and hold-down

clamp.

8. Remove distributor and distributor-to-block gasket.

It will be noted that the rotor will rotate as the

distributor is pulled out of the block. Mark the re-

lationship of the rotor and the distributor housing

after removal so that the rotor can be set in the

same position when the distributor is being installed.

DISASSEMBLY (Fig. 16i)

NOTE:
If a distributor is being disassembled

for replacement of the stationary magnetic

pickup assembly only, it will be necessary to

perform only Steps 3, 4, 5, 7, 8, 9, and 12 of the

service procedure listed below.
1.
Remove screws securing rotor and remove rotor.

2.
Remove centrifugal weight springs and weights.

3.
Remove the tachometer drive gear from the distribu-

tor (Corvette only).

4.
Remove roll pin, then remove distributor drive gear

and washer.

CAUTION: To prevent

magnet, support drive gear
;e to the permanent

?n
driving out roll

pin.

5. Remove drive shaft assembly.

6. Remove centrifugal weight support and timer core

from drive shaft.

7. Remove connector from pickup coil leads.

8. Remove retaining ring which secures magnetic

core support plate to distributor shaft bushing in

housing.

9. As a unit, remove the entire magnetic pickup assem-

bly from the distributor housing.

10.
Remove brass washer and felt pad.

11.
Remove vacuum advance unit.

12.
To reassemble distributor, perform the above steps

in reverse order.

INSTALLATION (CORVETTE)

1.
Check to see that the engine is at firing position for

No.
1 cylinder (timing mark on harmonic balancer

indexed with pointer).

2.
Position a new distributor-to-block gasket on the

block.

3.
Before installing distributor, index rotor with hous-

ing as noted when distributor was removed. Install

distributor in block so that vacuum diaphragm faces

approximately 45° forward on the right side of the

engine and the rotor points toward contact in cap for

No.
1 cylinder.

4.
Replace distributor clamp leaving screw loose

enough to allow distributor to be turned for timing

adjustment.

5. Install spark plug wires in distributor cap. Place

wire for No. 1 cylinder in tower (marked on old cap

during disassembly) then install remaining wires

clockwise around the cap according to the firing

order (1-8-4-3-6-5-7-2).

6. Attach distributor to coil primary wires.

7. Replace distributor cap.

8. Adjust timing and then fully tighten distributor clamp

screw.

9. Attach vacuum line to distributor.

10.
Connect tachometer drive cables to distributor body.

11.
Replace ignition shields.

DISTRIBUTOR OFF-ENGINE TEST

The distributor's centrifugal and vacuum advance can

be checked in a distributor testing machine or synchro-

scope specially adapted or designed to accommodate this

type distributor. However, since this involves removing

the distributor from the engine, this test may be post-

poned until other system checks have been made. A dwell

reading cannot be obtained on this distributor and it is not

likely that the centrifugal or vacuum advance will be a

cause of trouble.

COIL REPLACEMENT

1.
Disconnect ignition switch and distributor leads from

CHEVROLET CHASSIS SERVICE MANUAL

CLUTCH AND TRANSMISSIONS 7-16

FOUR-SPEED TRANSMISSION (MUNCIE)

INDEX

Page

General Description 7-16

Maintenance and Adjustments 7-16

Shift Linkage Adjustment 7-16

Gearshift Lever Reverse Blocker Cable 7-17

Replacement . 7-17

Adjustment 7-17

Speedometer Driven Gear and Oil Seal 7-19

Replacement 7-19

Transmission Side Cover 7-19

Removal 7-19
Page

Disassembly 7-19

Assembly 7-19

Installation . 7-19

Extension Oil Seal ......... 7-19

Replacement 7-19

Component Parts Replacement 7-20

Transmission Replacement 7-20

Removal from Vehicle , 7-20

. Installation in Vehicle . . . 7-20

GENERAL DESCRIPTION

The four-speed synchromesh transmission incorpo-

rates helical gears throughout specially designed to pro-

vide high torque capacity without additional weight, and

gear teeth proportioned to operate at high speeds with

neither excessive heat generation nor excessive fric-

tional losses. Shafts, bearings, high capacity clutches

and other precision parts are held to close limits, pro-

viding proper clearances necessary for durability during

extended heavy usage.

The main drive gear is supported by a heavy-duty ball

bearing at the front end of the transmission case and is

piloted at its front end in an oil impregnated bushing

mounted in the engine crankshaft. The front end of the

mainshaft is piloted in a row of roller bearings set into

the hollow end of the main drive gear and the rear end

is carried by a heavy-duty ball bearing mounted at the

rear end of the transmission case in a retainer casing.

The counter gear is carried on a double row of rollers

at both ends while thrust is taken on thrust washers lo-
cated between the ends of the gear and the thrust bosses

in the case.

The two-piece reverse idler gear is carried on bronze

bushings while thrust is taken on thrust washers located

between the front of the gear and the back of the reverse

idler thrust boss and between the rear of the gear and the

reverse idler shaft boss in the case extension.

Gearshifting is manual through shift control rods to the

transmission cover shifter levers for first through fourth

gears,
and to the reverse lever located in the case ex-

tension. The shifter lever to the rear of the transmis-

sion cover controls first and second gears while the

lever to the front controls third and fourth gears. All

four forward gears are fully synchronized. The trans-

mission may be used as an aid in deceleration by down-

shifting in sequence without double clutching. Reverse is

not synchronized, however, it is a helical gear to insure

quiet operation.

MAINTENANCE AND ADJUSTMENTS

SHIFT LINKAGE ADJUSTMENT (EXC. CORVETTE

AND CAMARO) (Fig. 1m)

1.
Set Transmission Levers (M), (P) and (S) in neutral

detent position.

2.
Move Shift Lever (A) to neutral detent position and

insert a Locating Gauge (1/8" thick by 41/64" (.646)

wide and 3" long) (B) into Control Lever Bracket

Assembly slot.

3.
Install Rod (V) with retainer on Lever (D).

4.
Maintaining Lever (D) against Locating Gauge, ad-

just Clevis (T) at Lever (S) until clevis pin freely

passes through holes in Clevis and Lever.

5. Install clevis pin, washer, and cotter pin. Tighten

Jam Nut (U) against Clevis.

6. Install Rod (H) with retainer on Lever (W).

7. With Jam Nuts (J) and (L) and Swivel (K) loose on

Rod (H), insert and attach Swivel with washer and

retainer to Lever (M).

8. Maintaining Lever (W) against Locating Gauge (B)

and while holding Swivel (K), run Jam Nut (J) against

Swivel until Nut contacts Swivel. Then tighten Jam

Nut (L) against Swivel.

9. Install Rod (R) with retainer on Lever (P).

10.
With Jam Nuts (E) and (G) and Swivel (F) loose on

Rod (R), insert and attach Swivel with retainer to
Lever (C).

11.
Maintaining Lever (C) against Locating Gauge (B) and

while holding Swivel (F), run Jam Nut (G) against

Swivel until Nut contacts Swivel. Then tighten Jam

Nut (E) against Swivel.

12.
Remove Locating Gauge and check shifts to insure

proper operation. Readjust clevis and swivels if

necessary.

NOTE:
Control rods may be attached to trans-

mission shift lever lower holes, to reduce shift

lever travel, for a "faster shift" adjustment op-

tion.
Increased shifting effort is required when

control rods are installed in this "short throw"

position.

CORVETTE AND CAMARO SHIFT LINKAGE

ADJUSTMENT (Fig. 2M)

1.
Set Transmission Shift Levers in neutral position.

2.
Move Shift Lever (A) to neutral position and insert

Locating Gauge (C) into control Lever Bracket As-

sembly (B).

3.
Install Reverse Rod (J) with Retainer on Lever (O).

4.
With two Jam Nuts and Swivel loose on Rod (J) insert

and attach Swivel with Retainer to Lever (D).

CHEVROLET CHASSIS SERVICE MANUAL

CLUTCH AND TRANSMISSIONS
7*30

V-8 Models-With Uni-Directional Linkage

1.
Remove air cleaner.

2.
Disconnect accelerator linkage at carburetor.

3.
Disconnect accelerator return and TV rod return

springs.

4.
With right hand, pull TV upper rod forward until

transmission is through detent. With left hand, open

carburetor to wide open throttle position. Carbure-

tor must reach wide open throttle position at the

same time the ball stud contacts end of slot in upper

TV rod.

5. Adjust swivel on end of upper TV rod to obtain set-

ting described in Step 4. Allowable tolerance is

approximately 1/32".

6. Connect and adjust accelerator linkage as described

in Section 6.

7. Check for throttle linkage freedom.

Neutral Safety Switch Adjustment

The adjustment at the neutral safety switch is de-

scribed in the Electrical Section 12.

Throttle Return Check Valve (Dashpot) Adjustment

The adjustment of the throttle return check valve is

described in Section 6M for each carburetor installation.
Fig.
12PG - Floor Mounted Control Lever and

Bracket Assembly (Chevrolet Shown)

COMPONENT PARTS REPLACEMENT

TRANSMISSION REPLACEMENT (EXC. CORVETTE)

Removal

1.
Raise car on hoist (preferably) or on stand jack and

remove oil pan drain plug to drain oil.

NOTE:
If desired, the oil may be drained after

transmission removal.

2.
Disconnect the oil cooler lines (external cooled

models), vacuum modulator line and the speedometer

drive cable fitting at the transmission. Tie lines

out of the way.

3.
Disconnect manual and TV control lever rods from

transmission.

4.
Disconnect propeller shaft from transmission.

5. Install suitable transmission lift equipment to jack

or other lifting device and attach on transmission.

6. Disconnect engine rear mount on transmission ex-

tension, then disconnect the transmission support

crossmember and slide rearward.

7. Remove converter underpan, scribe flywheel-con-

verter relationship for assembly, then remove the

flywheel-to-converter attaching bolts.

NOTE:
The "light" side of the converter is

denoted by a "blue" stripe painted across the

ends of the converter cover and housing. This

marking should be aligned as closely as possible

with the "white" stripe painted on the. engine

side of the flywheel outer rim (heavy side of

engine) to maintain balance.

8. Support engine at the oil pan rail with a jack or other

suitable brace capable of supporting the engine

weight when the transmission is removed.
9. Lower the rear of the transmission slightly so that

the upper transmission housing-to-engine attaching

bolts can be reached using a universal socket and a

long extension. Remove upper bolts.

CAUTION: Oh V-8 engines, care must be taken

not to lower rear of transmission too far as the

distributor housing may be forced against the

dash causing damage to the distributor. It is

best to have an assistant observe clearance of

all upper engine components while the trans-

mission rear end is being lowered.

10.
Remove remainder of transmission housing-to-

engine attaching bolts.

11.
Remove the transmission by moving it slightly to the

rear and downward, then remove from beneath the

car and transfer to a work bench.

NOTE:
Observe converter when moving the

transmission rearward. If it does not move

with the transmission, pry it free of flywheel

before proceeding.

CAUTION: Keep front of transmission upward

to prevent the converter from falling out. Install

converter Tool J-9549 (or a similar tool con-

structed as shown in Figure 13PG, or, in an

emergency, a length of strong wire may be used)

immediately after removal from the engine.

Installation

NOTE:
The "light" side, of the converter is

denoted by a "blue" stripe painted across the

ends of the converter cover and housing. This

marking should be aligned as closely as possible

CHEVROLET CHASSIS SERVICE MANUAL

CLUTCH AND TRANSMISSIONS 7-45

23

Fig.
5T - Aluminum Powerglide Special Tools

1. J-9506

2.
J-3289-01

3.
J-9549

4.
J-21867

5.
J-4264

6. J-3387

7.
J-9539

8. J-6839

9. J-9546

10.
J-7782

11.
J-5133

12.
J-4599

13.
J-9542

14.
J-9557
Holding Fixture Adapters

Holding Fixture (Use with J-3289-20 Base)

Converter Safety Strap

Transmission Pressure Gauge and Hose

Oil Filler Tube and Funnel

Pilot Stud Set

Front Pump Puller Bolts (Use with weights

from Slide Hammers J-6585)

Front Pump Seal Driver

Clutch Drum Bushing Remover and Installer

Clutch Spring Compressor Adapter Plate

Clutch Spring Compressor

Planet Pinion Assembly Tool Set

Reverse Piston Spring Compressor

Transmission Case Rear Bushing Remover and

Installer and Rear Pump Bushing Remover
15.
J-7079

16.
J-6582

17.
J-9543

18.
J-5778

19.
J-5154

20.
J-5403

21.
J-5814

22.
J-5853

23.
J-8039

24.
J-21848

J-8001

J-5492

J-6585

J-6585-3

J-9534
Handle

Rear Pump Bushing Installer

Vacuum
Modu
lator Wrench

Extension Bushing Remover and Installer

Extension Oil Seal Installer

Snap Ring Pliers

Speedometer Drive Gear Remover and

Installer

Torque Wrench

Snap Ring Pliers

Low Band Adjusting Tool

Dial Indicator (Not Illustrated)

Dial Indicator Support Strap (Not Illustrated)

Slide Hammers (Not Illustrated)

Slide Hammer Adapters (Not Illustrated)

Bushing Remover (Not Illustrated)

CHEVROLET CHASSIS SERVICE MANUAL