battery CHEVROLET CAMARO 1967 1.G Chassis Owner's Manual

HEATER AND AIR CONDITIONING 1A-74

Fig.
108—Comfortron Power Servo Installation

4.
Disconnect heater' hoses from heater core (at

firewall).

5. Remove glove box door.

6. Remove glove box interior.

7. Disconnect right, left, and center air conditioning

outlet hoses from distributor duct.

8. Remove air distributor duct from heater

housing.

9. Disconnect hose and cable clamps from heater

housing.

10.
Remove the remaining three heater housing stud

retaining nuts (engine compartment) and one upper

retaining screw (inside vehicle).

11.
Pull the unit away from the firewall and out of the

car.

ADJUSTMENT

SCREW

Fig.
109—Mode Shift Vacuum Diaphragm
Fig. 110'—Compressor Mount—L-6 Engines (Typical)

12.
Remove heater.housing cover from heater housing.

13.
Remove heater core from heater housing cover by

removing four (4) retaining screws and two "U"

clamps.

14.
Remove heater core.

Installation

1.
Replace core in case using a non hardening sealer.

Attach the core clamps and retaining screws.

2.
Attach the heater housing cover to the housing.

3.
Position the unit against the firewall and attach

it with the retaining screw at the top of the case.

4.
Attach the sheet metal nuts to the case studs which

project through the firewall to the engine side.

5. Connect the control cables to the control doors and

case.

6. Attach the air distributor duct to the case.

7. Connect the left, right, and center outlet hoses.

8. Replace the glove box assembly.

9. Connect heater hoses to core tubes.

10.
Replace fender assembly.

11.
Fill cooling system and connect battery cable.

Camaro

Lower Heater Hose

Removal

1.
Drain radiator.

2.
Remove side mouldings and retainers.

3.
Remove lower fender attaching bolts.

4.
Remove skirt to fender and skirt to reinforcement

bolts.

5. pry the skirt away from the fender flange and away

from the firewall. Block the skirt (four inchlengtti

of 2 x 4) clear of the lower hose and proceed with

the hose replacement.

Installation

1.
Connect the hose.

2.
Remove the block, move the skirt into position and

install all attaching bolts.

3.
Replace fender attaching bolts and mouldings.

4.
Refill cooling system.

CHEVROLET CHASSIS SERVICE MANUAL

HEATER AND AIR CONDITIONING 1A-78

WIRING DIAGRAMS

Blower

Motor

Resistor
•

Asm

EVAPORATOR—v

ASM.
\

-Diode
(Arc I

suppressor)
^\

16B
—>

-COMPRESSOR

Clutch Coil

•To battery positive

(+) terminal
No vacuum

in hose
#3

Blower

intake

air

Outside

air entry

Valve

by vacuum
in

hose
#3
Valve

normally

closed (spring

held)

Inside

car
air

(Recirc.)
AIR INLET

VALVE

POSITION:

Outside
air
intake

Recirc. air'intake

CONTROL ASM

TEMP CONTROL LEVER

(Operates temp valve

cable
&
equipment
in

chart shown below)
Compressor
Sw.

(Normally closed

Temp valve

begins
to
open

valveV

cable
arm

•Fan Speed Selector Switch

Switch

lever

position

Off

Low

Med

High
Contacts

made

B
to
None

BtoL

B to L
&
M

B to
L
& H
Fan

speed

Low

Low

Med

High
Resistance

in series with

Bio Motor

Hi

Rl

(RiR2)/(Rl+R2)

None

•Blower switch contacts must
be
dosed

before
fan
switch will
be
operable.
COLD
(O.
A.)

COLD a.A.)

Blower

H
y—low
switch

M/
-med
(Norm,

closed

contacts)

Fan speed switch

(See chart
at
left)

To vacuum,

tank

EXTENSION—vy

Horn relay "Bat" WIRE
ASM
X
harness

terminal

V
.**-__.. ;_
1 I panel

Legend:

___. —
Production wiring

Wire
is
part
of
equip.

•—————* Air
conditioning
wrg.
| i

T Agn. sw.

accsy

I term.

I
Temp

Control

Lever

Position

OFF

VENT.

COLD(I.A.)

COLEKO.AJ

HOT
Blower

(Master)

switch

contacts

Open

Closed

Closed

Closed

Closed
Vac switch

connects

vac source

to hose
#

#2

#2
&
#3

None

#3

#2
&
#3
Compressor

switch

contacts:

Open

Open

Closed

Closed

Open
Blower

intake
air

Outside
car air

intake used

Inside
car air

recirculated

Outside
car air

intake used

.Outside
car air

intake used

Fig. 114—Chevrolet—Four-Season Wiring Diagram

CHEVROLET CHASSIS SERVICE MANUAL

HEATER
AND AIR
CONDITIONING
1A-80

EVAPORATOR ASM.

Blower

Motor
INSIDE VALVE

(Normally closed

-spring held)

PLENUM VALVE

(Normally open

-spring held)
Actuator

(Vacuum

operated)

Inside car air (Recirc*

CONTROL ASM

TEMP CONTROL LEVER

•(Operates temp valve

cable
&
equipment in

hart shown below)

Temp valve

begins to

16DG

Fuse (In-line^

COMPRESSOR

Clutch Coil DASH-

PANEL

•Fan Speed Selector Switch

Switch

lever

position

Off

Low

"HeST

High
Contacts

B to
None

BtoL

B to L b U

BtoL&H
Fan

speed

Low

Low

Med

High
Resistance

in series with

Bio Motor

Rl

Rl

RlR2)/(Rl+R2)

None

•Blower switch contacts must be closed

before fan switch will be operable.

-To battery positive

(-0 terminal

•
Horn relay

terminal"
"Batf
To vacuum

tank

EXTENSION

WIRE
ASM
(Normally closed

contacts-*vac

operated)

7
*- Fan speed switch

(See chart at left)

•/-Wire is

\ part of

I inst panel

harness

Legend:

— Production wiring

————
Wire Is part of equip.

•mmmmmmmmmmmmmm*
AIT
Conditioning
WTg*
Temp

Control

Lever

Position

OFF

VENT

COLD

a.A.)

COLD

(O.A.)

HOT
Blower

(Master)

switch

contacts

Open

Closed

Closed

Closed

Closed
Vac switch

connects

vac source

to hose #

#2
&
#3

#2

#3

None

#2
Compressor

switch

contacts^

Open

Open

Closed

Closed

Open
Blower

intake air

Outside car air

intake used

Inside car air

recir culated

Outside car air

intake used

Outside car air

intake used

Fig.
116—Camaro—Four-Season Wiring Diagram

CHEVROLET CHASSIS SERVICE

HEATER AND AIR CONDITIONING 1A-81

HORN RELAY

r

CONN.-

14 BROWN

(TO FUSE

PANEL)
BATTERY
1

—I ^ COMPR

ESSOR

DASH y

V-^ PANEL \

GROMMET—%
1 \

_ J~ ") "^

>14 BLACK/RED STRIPE-

FUSE .20 AMP.

•WIRE ASM. BLOWER-

MOTOR
14 BLACK 1

IGNITION SWITCH1

(ACCESSORY

TERMINAL)

CONTROL SWITCH
-RESISTOR

CONN.

•14 TAN

•16 BLACK

LIGHT BLUE STRIPE

•THERMOSTAT CONTROL

EVAPORATOR & BLOWER ASM.

Fig.
117—Universal System Wiring Diagram (Typical)

CHEVROLET CHASSI

HEATER AND AIR CONDITIONING 1A-82

•BATTERY

(POS)
CABLE
NOTE
When
control
switch*

is !TOFF"
&
Air
Cond
is
"ON"

(Control
knob
pulled
but) the

blower
fan'will
run at low
speed.
CONTROL
SWITCH

CONNECTIONS

OFF

LOW

MED

HIGH
B
TO
NONE

B
TO L

BTOL&M

B
TO L
&
H

COMPRESSOR
GROUND

WIRE
ASM
BATTERY

(NEGATIVE)

CABLE

COMPRESSOR
ASM

DASHPAJSTEL

GROMMET

16DG
CONTROL

SWITCH

RESISTOR

ASM

14LBL

14BRN
CLUTCH

COIL

EXTENSION

WIRE
ASM
-14BRN--N

JUNC

BLOCKi

OSTATIC

SWITCH

CONTACTS

NORMALLY

CLOSED
STARTING

MOTOR

SOLENOID

BLOWER

MOTOR
AIR
COND

CONTROL

(PUSH-PULL)

KNOB

DOOR
SWITCH

(PUSH
BUTTON

NORMALLY

CLOSED)
RELAY

ASM

HORN

RELAY

DIVERTER

DOOR CABLE

FUSE

PANEL

EVAPORATOR

ASM

IGNITION SWITCH-

ACCESSORY TERMINAL)

Fig. 118—All Weather Wiring Diagram (Chevy II)

CHEVROLET CHASSIS SERVICE MANUAL

HEATER AND AIR CONDITIONING 1A-83

DIVERTER DOOR

CRANK POSITIONS:

AIR COND "ON"

AIR COND "OFF*
AIR COND SWITCH

(PUSH BUTTON,

NORMALLY CLOSED

CONTACTS)

BLOWER MOTOR

CONTACTS

NORMALLY

4D

16

16B/Y

COMPRESSOR

GROUND WIRE

ASM

BAT.
TERMINAL

ON STARTING

MOTOR SOLENOID

' BATTERY

CABLE ASM:

NEGATIVE

POSITIVE—*
- CONTROL SWITCH

SET AT:

•OFF

LOW

MED

HIGH
CONTACTS:

BTOBL

BTOL

BTOM

BT0M6B,

CLUTCH

HOUSING
liOli: WHEN CONTROL

SWITCH IS AT "OFF" &

AIR COND. IS "ON", FAN

WILL RUN AT LOW SPEED.

"AIR COND-PULL"

KNOB (SHOWN IN "ON"

POSITION)

TO REGULATOR

HORN

RELAY
16 BRN-BODY WIRING

HARNESS-837

14BRN

I

^
IA^RN
* IGNITION SWITCH

« 12R ACCESSORY TERMINAL

12R f

AMMETER

LEGEND:

AIR COND WIRING (PART OF

ENGINE WIRING HARNESS)

WIRING IS PART OF EQUIP

REG PRODUCTION WIRING

Fig.
119—Corvette—Four-Season Wiring Diagram

CHEVROLET CHASSIS SERVICE MANUAL

CORVETTE BODY 1B-4

Fig.
3-Hood Spacing

vehicle as a unit by removing six screws around the

outer edge of opening, two screws retaining striker plate

and four screws which fasten compartment support to

cowl cross brace under dash. For parts identification

refer to Figure 6.

COWL AREA TRIM

Figure 7 illustrates instrument panel pads, cowl

"kick'.' panels, radio grille cover and console-to-dash

trim panel.

Figure 8 illustrates trim and moldings which are in-

stalled in the console area.

When installing instrument panel pads, it is advisable

to use new clips. Position of these clips upon installation

is illustrated in Figure 9.

REAR VIEW MIRROR

Outside

Removal

The outside rear view mirror may be removed from

the'
door by removing the set screw, located on the in-
board side of the mirror support, with an alien wrench.

Installation

Mirror may be installed by following the removal

procedures in reverse order. ,

Inside

Installation of inside mirror may be seen in Figure 10.

Tension of mirror stud may be adjusted by loosening or

tightening adjusting screw.

SUN VISOR

Attachment of sun visor assembly to windshield header

is made as shown in Figure 10. Turning adjusting screw

in increases friction.

COWL VENTILATOR ASSEMBLY

The following outline covers either the right of left

hand side. Refer to Figure 11.

Removal

1.
Disconnect positive cable from battery.

CHEVROLET CHASSIS SERVICE MANUAL

CORVETTE BODY 1B-5

Fig.
4—Scribing
Line
Around
Hood
Hingje

2.
Remove cowl "kick" pad grille. |

3.
Disengage control cable fastened to cowl vent by nut

retainer. !

4.
Remove vent control knob retained by
|
set screw.

5. Remove center console trim and pass control cable

under instrument panel with care, avoiding damage

to electrical connections. j

Installation

Install vent assembly following removal procedure in

reverse order. Check operation of vent. Connect positive

battery cable.
Fig.
6—Instrument
Panel Tray

2.
Remove four screws retaining side reveal moldings.

3.
Remove upper reveal molding after marking molding

and header rail to ease reinstallation as shown in

Figure 14.

4.
Mark position of lower reveal molding as shown in

Figure 15 and pry molding out of weatherstrip.

5. From inside vehicle carefully pry weatherstrip from

pinchweld flange of windshield frame (fig. 16) and

work windshield-weatherstrip assembly out of body

opening toward front of vehicle.

Checking Windshield Body Opening

When the vehicle has been involved in a collision or in

cases where windshield has been subject to "strain

WINDSHIELD

Consult Figure 12 for parts identification.

Removal

1.
Remove side, upper and lower garnish moldings

(fig. 13).

Fig.
5—Emblem dnd
Vent Grille
1.
Screen
Assembly

2.
Pad
Assembly
L H.
Fig.
7-Cowl
Area Trim

3.
Pad
Assembly
R. H. 5.
Cover

4.
Trim Panel
Assembly

CHEVROLET CHASSIS SERVICE MANUAL

BRAKES 5-9

COMPONENT REPLACEMENT AND REPAIRS

PARKING BRAKE-CHEVROLET, CHEVELLE AND

CAMARO (Figs. 19 and 20)

Pedal Assembly

Removal

NOTE:
Remove positive cable from battery to

eliminate the possibility of creating short cir-

cuits under dash.

1.
Place parking brake pedal in released position.

2.
Remove equalizer check nut, and separate cable

stud from equalizer.

3.
Remove two attaching nuts from mounting studs

located in engine compartment.

4.
Remove front cable .ball end from pedal assembly

swivel.

5. Remove pedal assembly to dash brace attaching

screw.

6. Remove pedal assembly by lowering rear slightly

to avoid scratching dash, and pulling, it out of the

firewall.

Installation

1.
Place pedal assembly in position with the two mount-

ing studs protruding through the holes provided in

the firewall.

2.
Install and tighten pedal assembly to dash brace

attaching screw.

3.
Position front cable ball end into pedal assembly

swivel.

4.
Install and tighten two attaching nuts on mounting

studs located in engine compartment.

5. Place
,
equalizer in position on center cable and

insert front cable stud through equalizer and secure

with check nut.

6. Adjust parking brake as outlined under Maintenance

and Adjustments in this section.

7. Connect positive battery cable.

Front Cable

Removal

NOTE:
Remove positive cable from battery to

eliminate the possibility of creating short cir-

cuits under dash.

1.
Place parking brake pedal in released position.

2.
Remove equalizer check nut, and separate cable

, stud from equalizer.

3.
Remove retainer from cable assembly at inner side

of frame rail.

4.
Remove ball end of cable from pedal assembly

swivel.

5. Compress expanded conduit locking fingers at toe

pan arid withdraw cable from car.

6. On Chevelle, if necessary, remove rubber tube

from front cable.

Installation

1.
On Chevelle, if necessary, replace rubber tube

over front cable.

2.
Position cable ball and conduit tip through cutout

in firewall. Make sure conduit locking fingers are

fully expanded and secured in cutout, then position

cable ball into pedal assembly swivel.
3.
Feed stud end of cable through frame rail and se-

cure with retainer on inner side of frame.

4.
Place one check nut on cable stud and insert stud

through equalizer, (make sure center cable is in

position), then place second check nut on stud.

5. Adjust parking brake as outlined in this section.

6. Connect positive battery cable.

Center Cable

Removal

1.
Place parking brake pedal in released position.

2.
Remove equalizer check nut and remove equalizer

from cable.

3.
Remove cable from cable guides.

4.
Disconnect center cable from rear cables at

connectors.

Installation

1.
Install cable ends into rear cable connectors.

2.
Place cable through equalizer and install equalizer

on to front cable stud, secure with check nut. (Do

not tighten.)

3.
Install cable in cable guides (figs. 19 and 20),

4.
Adjust parking brake as outlined in this section.

Rear Cables

Removal

1.
Place parking brake pedal in released position.

2.
Remove equalizer check nut and remove equalizer

from cable.

3.
Remove rear cable from connector.

4.
Remove retainer from rear cable at frame bracket.

Pull cable out of bracket.

5. Remove rear brake drum as outlined in this section.

6. Remove rear brake shoes as outlined in this section.

7. Remove cable end from parking brake actuating

lever.

8. Compress expanded conduit locking fingers at flange

plate entry hole and withdraw cable.

Installation

1.
Pass end of cable and conduit tip through flange

plate entry hole, making sure that conduit locking

fingers all expand fully.

2.
Connect cable end to actuating lever.

3.
Install rear brake shoes, drum and wheel as out-

lined in this section.

4.
Pass cable through frame bracket and install

retainer.

5. Install cable end into cable connector.

6. Position equalizer on center cable and place on

front cable stud, secure with check nut.

7. Make sure all center cable guides are in place

and adjust parking brake as outlined in this section.

PARKING BRAKE-CHEVY II (Fig. 21)

Lever Assembly

Removal

NOTE:
Remove positive cable from battery

to eliminate possibility of creating short cir-

cuits under dash.

CHEVROLET CHASSIS SERVICE MANUAL

BRAKES 5-11

VIEW A

VIEWB

CAMARO

Fig.
20—Parking Brake System—Camano

1.
Place parking brake lever in released position.

2.
Remove return spring at equalizer.

3.
Remove equalizer check nut, and separate cable

stud from equalizer.

4.
Remove clevis pin clip and pin from idler lever

assembly.

5. Remove two lever dash attaching screws, and remove

lever assembly from vehicle.

Installation

1.
Place lever assembly into position and secure with

the two lever to dash attaching screws.

2.
Place idler lever in position with lever assembly,

align holes and install clevis pin and clip.

3.
Position equalizer on front cable stud and secure

with check nut.

4.
Install return spring at equalizer.

5. Adjust parking brake as outlined under Maintenance

and Adjustments in this section.

6. Connect positive battery cable.

Idler Lever

Removal

NOTE:
Remove positive cable from battery

to eliminate possibility of creating short cir-

cuits under dash.

1.
Place parking brake lever in released' position.
2.
Eemove return spring at equalizer.

3.
Remove equalizer check nut, and separate cable stud

from equalizer.

4.
Remove clevis pin clip and pin from idler lever

assembly.

5. Remove cable ball from idler lever.

6. Remove pivot pin clip and pivot pin, then remove

idler lever from vehicle.

Installation

1.
Place, idler lever into position and secure with

the pivot pin and clip.

2.
Connect cable ball to idler lever.

3.
Place idler lever in position with lever assembly,

align holes and install clevis pin and clip.

4.
Position equalizer on front cable stud and secure

with check nut.

5. Install return spring at equalizer.

6. Adjust parking brake as outlined under Maintenance

and Adjustments in this section.

7. Connect positive battery cable.

Front Cable

Removal

NOTE:
Remove positive cable from battery

to eliminate possibility of creating short cir-

cuits under dash.

1.
Place parking brake lever in released position.

CHEVROLET CHASSIS SERVICE MANUAL