Con rod HONDA CR-V 1997 RD1-RD3 / 1.G User Guide

Cruise Gontrol
Actuator Test (cont'dl
5. With voltage and vacuum still applied, try to pull the
actuator rod out by hand. You should not be able topull it out. lf you can. it is defectrve.
8.
9.
7.
Disconnect ground from the No. 3 terminal. The actu-
ator rod should return. lf it does not return, but the
vent hose and filter are not plugged, the solenoid
valve assembly is defective.
Repeat steps 2 through 5. and disconnect ground
from the No. l terminal. The actuator rod should
return. lf it does not return, but the vent hose and
filter are not plugged, the solenoid valve assembly
is defective.
lf you replace the solenoid valve assembly, be sure
to use new O-rings on each solenoid.
Disconnect power and ground from the 4P connector.
Disconnect the vent hose from the actuator. Connect
a vacuum pump to the actuator vent hose port, and
apply vacuum. The actuator rod should pull in com-pletely. lf not, the vacuum valve is stuck open.
Replace the actuator,
4-42
I
't.
Actuator Replacement
3.
4.
7.
Ar
Pull back the boot. and loosen the locknut. Then dis-
connect the cable from the bracket.
Disconnect the cable end from the actuator rod.
1.
4.
.J.
Disconnect the 4P connector from the actuator.
Disconnect the vacuum hose from the vacuum tank.
Pull out the vent hose.
Remove the three mounting bolts and the actuator
with the bracket.
ACTUATORACTUATOR
CABLE
lf necessary, disconnect the cable end from the link-
age over the accelerator pedal, then turn the grom-
met 90' in the bulkhead. and remove the cable.
Install in the reverse order of removal, and adjust
free play at the actuator rod after connecting the
cable (see page 4-43).
I
6.
I
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Actuator Cable Adiustment
'1.Check that the actuator cable operates smoothly
with no binding or sticking.
Start the engine. Hold the engine at 3,000 rpm with
no load (A,/T in E or E position, M/T in neutral)
until the radiator fan comes on, then let it idle.
Measure the amount of movement of the actuator
rod until ths cable pulls on the accelerator lever
(engine speed starts to increase). Free play should
be 11 t 1.0 mm (0.43 i 0.04 in).
LOCKNUT FREE PLAY: 11 t 1.0 mm
10.43 r 0.04 in)
lf free play is not within specs, loosen the locknut,
and turn the adjusting nut as requirsd,
NOTE: lf necessary, check the throttl€ cable frso
play (s€e section 11), then recheck the actuator rod
free play.
Retighten the locknut, and recheck the free play.
st
te
ACTUATOR ROD
Clutch Switch Test
1. Disconngct ths 2P connector from the clutch switch.
CLUTCH SWITCH 2P CONNECTORTerminalside ofmale terminals
2.
5.
Remove the clutch switch,
Check for continuity between the terminals accord-
ing to the table.
4. lf necessary, replace the switch or adjust the pedal
height (see section t2).
Terminal
Clutch Switch \
OEPRESSED
RELEASEDoo
4-43
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Engine Block
Speciaf Tools .............7-2
lllustrated lndex ................................... 7-3
Flywheel and Drive Plate
Replacement ..,.,....7-5
Connecting Rod and Grankshaft
End Play .................7-6
Main Bearings
Cfearance ...............7 -7
Selection ................7-8
Connecting Rod Bearings
Clearance ...............7-8
Selection ................7-9
Pistons and Crankshaft
Removal .................7-9
Crankshaft
Inspection .............. 7-11
Pistons
fnspection ..............7-12
fnstaflation .............7-20
Cylinder Block
Inspection ..............7-13
Piston Pins
Removal ..,.......,,..... 7-14
Installation ............. 7-15
Inspection .............. 7-16
Connecting Rods
Selection ................7 -14
Piston Rings
End Gap .................7 -17
Ring-to-Groove Clearance ............... 7 -17
Replacement .........7-18
Alignment .............. 7-18
Crankshaft Oil Seal
lnstallation ............. 7-19
Crankshaft
lnstalfation .............7-20
Oil Seals
fnstalfation ....,..,.....7-23
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lllustrated Index (cont'd)
NOTE: New rod bearings
(see pages 7-91.
must be selected by matching connecting rod assembly and crankshaft identification markings
PISTON INSTALLANON DIRECTION:
Lubricate all internal parts with engine oil
during reassembly.EXHAUST
INTAKE
PISTON RINGSReplacement. page 7-18Measurdment, page 7-17Alignm€nt, page 7-18
PISTONInspection, page 7-12
l1\AAtr\
\9q9Q9e/
PISTON PINRemoval, page 7-14
Installation, page 7-15Inspection. page 7-16
ENGINC BLOCKCylinder bore inspection. pago 7-13
Warpage inspoction, Page 7-'13
CONNECTING ROD BEARING CAPlnstallation, page 7-20NOTE: Install the caps so thebearing recess is on thesame side as the recessin the rod.
CONNECTING ROD CAP8 x 0.75 mm31 N.m {3.2 kgl.m.23 tbf.ftl
CONNECTING
COiINECI'ING RODBEARINGSClearance, page 7-8
Solection. page 7-9
NUT
End play, page 7-6Selection, page 7-14
Inspect the top ot each cylinder borefor carbon build up or a ridgebelore removing the piston.
Remove the ridge if necessary, page 7-10Apply engine oil to the bolt threads.NOTE: After torquing each bearingcap, rotate the crankshaft to check forbinding.
7-4
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Connecting Rod and Crankshaft
End Play
1. Measure the connecting rod end play with a feeler
gauge.
Connecting Rod End Play:
Stsndard (Nsw): 0.15 - 0.30 mm
{0.006 - 0.012 in)
Service Limit: 0./t0 mm 10.016 in)
2. lf the connecting rod end play is out-of-tolerance,
install a new connecting rod.
lf it is still out-of-tolerance, replace the crankshaft
{see pages 7-9 and 7-20).
7-6
3. Push the crankshaft firmly away from the dial indi-
cator, and zero the dial against the end of the
crankshaft. Then pull the crankshaft firmly back
toward the indicator; the dial reading should not
exceed the service limit.
Crankshaft End Play:
Stand.rd (New): 0.10 - 0,35 mm(0.004 - 0.014 inl
Service Limit: 0.45 mm (0.018 inl
4. lf end play is excessive, inspect the thrust washers
and thrust surface on the crankshaft. Reolace oans as
necessary. Thrust washer thickness is fixed and
must not be changed either by grinding or shim-
mrng.
SCREWORIVER
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Main BearingsConnecting Rod Bearings
Selection
Crankshaft Bore Code Location
Letters have been stamDed on the end of the block as a
code Jor the size of each of the 5 main journal bores.
Use them, and the numbers or bars stamped on the
crank (codes for main journal size), to choose the correct
beanngs.
lf the codes are indecipherable because of an accumula-
tion of dirt and dust. do not scrub them with a wire
brush or sc.aper. Clean them only with solvent or deter-
gent.
Main Journ.l Cod. Locrtions lNumbcB oi Bar3l
Bearing ld.ntif icrtionColor code ison the edge ofthe bearing.
7-8
IcD
"""""""" Smallerbearing(rhicker)
Green
Green
ElaclAlue
Clearance
Remove the connecting rod cap and bearing half.
Clean the crankshaft rod journal and bearing half
with a clean shop towel.
Place the plastigage across the rod journal.
Reinstall the bearing half and cap, and torque the
nuts.
1.
7.
Torqus: 31 N.m (3.2 kgf.m. 23 lbf.ft)
NOTE: Do not rotate the crankshaft during inspec-
tion.
Remove the rod cap and bearing half, and measure
the widest part of the plastigage.
Connesting Rod Bearing-to-Journal Oil Clearancc:
Standard {Newl: 0.020 - 0.038 mm
{0.0008 - 0.0015 in)
Service Limit: 0.05 mm {0.002 inl
lf the plastigage measures too wide or too narrow,
remove the upper half of the bearing, install a new.
complete bearing with the same color code {select
the color as shown on the next page), and recheck
the clearance. Do not file, shim, or sc.ape the bear-
ings or the caps to adjust the clearance.
lf the plastigage shows the clearance is still incor
rect, try the next larger or smaller bearing {the color
listed above or below that one). and check clear-
ance again. lf the proper clearance cannot be
obtained by using the appropriate larger or smaller
bearings. replace the crankshaft and start over.
PLASTIGAGE
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Pistons and
Crankshaft
Selection
Connecting Rod Code Location
Numbers have been stamped on the side of each con-
necting rod as a code for the size of the big end. Use
lhem, and the letters stamped on the crankshaft (codes
for rod journal size), to choose the correct bearings.
lf the codes are indeciDherable because of an accumula-
tion of dirt and dust, do not scrub them with a wire
brush or scraper. Clean them only with solvent or deter-
gent.
8€aring ldentif ication
aolor code is on theedge oltne Deanng.
Larger big end bore
---------------r. sma er bearino {thicker)
RedPinkGreen
PinkGreenBrown
GreenBrownBlack
GreenBrownElackBlue
Half of number isstamped on beanngcap and the othelhalf is stamped onrod.
Connecting Rod Journal Code Locations {Lettersl
llAort ll
llBo'll ll
llcotrll ll
I l-.. ilril It-lSmaller'odSmallerbeanng(thicker)
234
Removal
Remove the oil pan assembly.
Remove the right side cover.
1.
Remove the oil screen.
Remove the oil pump.
OIL SCREEN
(cont'd)
7-9
OIL PUMP
5. Remove the baffle plate.
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Pistons and Crankshaft
Removal (cont'dl
6. Remove the bolts. To prevent warpage, unscrew the
bolts in sequence 1/3 turn at a time; repeat the
sequence until all bolts are loosened.
Remove the rod caps/bearings and main caps/bear-
ings, Keep all caps/bearings in order
Lift the crankshaft out of the engine. being careful
not to damage the journals.
7.
7-10
9.
10.
Remove the upper bearing halves from the connecting
rods, and set them aside with their respective caps.
Reinstall the main caps and bearings on the engine
in proper order.
lf you can feel a ridge of metal or hard carbon
around the top of each cvlinder, remove it with a
ridge reamer. Follow the reamer manufacturer's
instructions. lf the ridge is not removed, it may
damage the pistons as they 8re pushed out.
12.
11.
14.
Use the wooden handle of a hammer to drive the
pistons out.
13.Reinstall the connecting rod bearings and caps after
removing each piston/connecting rod assembly.
To avoid mixup on reassembly, mark each piston/
connecting rod assembly with its cylinder number.
NOTE: The existing number on the connecting rod
does not indicate its position in the engine, it indi-
cates the rod bore size.
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Piston PinsConnecting Rods
Assemble the Piston Pin Tools as shown.
PISTON BASE HEAO07HAF -PL20102
PISTON BASE07973 - 6570500
Adjust the length A of the piston pin dflver.
A: 49.70 mm 11.957 in)
PIN DRIVER HEAIPE00320
\
RIr1
nT---
u
ffi-"""-
u_ll
3. Place the piston on the piston base, and press the
pin out with a hydraulic press. Make sure that the
recessed portion of the piston aligns with the lips
on the collar.
7-14
Removal
1.
PISTON07973 -
PISTON PIN BASE INSERT07GAF - PH60300
PISTON PIN DRIVER SHAFT07973 - PEt 0310
PILOT COLLAR07LAF - PR30100Embossod mark facing up.
Selection
Each rod falls into one of four tolerance ranges (from 0
to + 0.024 mm {0 to + 0.0009 in). in 0.006 mm (0.0002 in)
increments) depending on the size of its big end bore.
lt's then stamped with a number 1.1.2,3, or 4) indicating
the range.
You may find any combination ot 1,2,3, or 4 in any
engrne.
Normal Bore Size: ,18.0 mm (1.89 in)
Inspect the connecting rod for cracks and heat damage.
CONNECTING ROD BOREREFENENCE NUMBERHalf of number is stamped onbearing cap, the other half onconnectno roo.
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Piston Pins
lnstallation
The arrow must face thetiming belt side ot theengine and the connectingrod oil hole must face therear of the engine.
CONNECTING ROOotL Hor.E
1. Adjust the length B of the piston pin driver and shaft.
B: 49.70 mm (1.957 in)
PISTON PIN DRIVER SHAFT0t973 - P€qxtlo
Place the piston on the
pin in with a hydraulic
recessed portion of the
on the piston base head.
ffi*r,"ron'nl
PILOT COLLAROTLAF - PF3O1(x'
PISTON PIN BASE INSERT07GAF - PH6o3ttO
PISTON BASE HEADOTHAF - PL2O102
PISTON BASE07973 - 6670500
piston base and press the
press. Make sure that the
piston aligns with the lugs
7-15
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