1998 HONDA CR-V Lock nut

Gylinder Head
Removal
Engine removal is not required for this procedure.
l!@ Make sure iacks and safety stands are
placed properly, and hoist blackels ale attachgd to the
correct position on the engine.
NOTE:
o Use fender covers to avoid damaging painted sur-
faces.
o To avoid damage, unplug the wiring connectors care-
fully while holding the connector portion.
. To avoid damaging the cylinder head, wait until the
engine coolant temperature drops below 100"F (38'C)
before loosening the retaining bolts.
. Mark all wiring and hoses to avoid misconnection.
Also, be sure that they do not contact other wiring or
hoses, or interfere with other parts.
2.
4.
5.
1.Disconnect the negative terminal from the battery.
Drain the engine coolant (see page 10-5). Remove
the radiator cap to speed draining.
Remove the intake air duct and air cleaner housing(see page 5-2).
Remove the mounting bolt and lock bolt, then
remove the power steering (P/S) pump belt and
pump (see page 5-4).
Loosen the idler pulley bracket bolt and adjusting
bolt, then remove the air conditioning (A,/C) com,
pressor belt.
ADJUSTINGBOLT
ADJUSTING BOLTLOCKNUT8 x 1.25 mm24 N m {2.4 ksf.m, 17 lbttt}
IOLER PULLEY BBACKET BOLT10 x 1.25 mm44 N.m {4.5 kgtm, 33 lbf ft)
tt aAo-Io
6. Loosen the locknut and mounting nut, then remove
the alternator belt.
LOCKNUT8 x 1.25 mm24 N.m (2.4 kgf.m, 17 lbt.ftl
10 x 1.25 mm44 N.m (4.5 kgt.m. 33 lbf.ft)
7. Remove the P/S OUmo bracket.
l0 x 1.25 mm44 N.m (4.5 kgf.m,33 rbf.ft)
BELT
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8. Remove the throttle cable by loosening the locknut,
then slip the cable end out of the throttle linkage.
Take care not to bend the cable when removing it.
Always replace any kinked cable with a new one.
'97 - 98 modols:
'!X, - 00 modob:
9. Relieve fuel pressure (see section 11).
@ Do not smoke while working on the
fuel systom. Ko€p opon flame or sparks away from
ths work area. Drain fuol only into an approved
containgr.
'10, Remove the evaporative emission (EVAP) control
canister hose and fuel feed hose.
CANISTER HOSE
{cont'd)
6-17
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Cylinder Head
Removal (cont'dl
Remove the timing belt (see page 6-10).
Remove the camshaft pulleys and back cover.2't.
BACK COVER
6-20
22. Bemove the exhaust manifold
ing nuts.
'97 - 98 U.S. modsls (Californial:
GASKETReplace.
SELF.LOCKING NUT54 N.m {5.5 kgf.m, .{) lbf.ftlReplace.
'97 - 98 U.S. models {Excepi Calitornia}:'99 - 0O modeb:
GASKETSReplace.
bracket and self-lock-
'r
EXHAUST MANIFOLDBRACKET
10 x 1.25 mm44 N.m 14.5 kgf,m,33 rbf.ft)
SELF.LOCKING NUT10 x 1 .25 mm54 N.m {5.5 kgt.m, 40 lbtft}Replace.
10 x 1.25 mm4il N.m (4.5 kgf.m,33 tbf.ftl
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23. Remove the intake manifold mounting bolts and
water bvDass hose.
8 x 1.25 mm2,1 N.m 12.4 kgt.m,17 tbf.ft)
24. Loosen the locknuts and adjusting screws,
INTAKE
No.3 No.2 No. 1
No.3 No.2 No. 1
EXHAUST
No. 4
27. Remove the cylinder head.
6-21
25. Remove the camshaft holder bolts, then remove the
camshaft holders and rocker arms. Make note of the
rocker arm Dositions.
26. Remove the cylinder head bolts. To prevent
warpage, unscrew the bolts in sequence 1/3 turn at a
time; repeat the sequence until all bolts are loosened.
CYLINDER HEAD BOLTS LOOSENING SEOUENCE:
ROCKER ARM
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Cylinder Head
Installation
Installthe cylinder head in the reverse order of removal:
1. Clean the cylinder head and block surfaces.
2. Clean the oil control orifice. Install the cylinder headgasket, dowel pins and the oil control orifice on thecylinder block. Always use a new cylinder head gas-ket.
CYLII{DER HEADGASKETR€place.
DOWEL PIN
O.RINGRoplace.
DOWELPIN
OIL CONTBOLORIFICEClean.
Apply clean engine oil to the bolt threads and underthe bolt heads.
4. Tighten the cylinder head bolts in two steps. In thefirst step tighten all bolts, in sequence, to about 29
N.m {3.0 kgf.m,22 lbf.ft); in the finat step, tighten inthe same sequence to 85 N.m (8.7 kgf.m,63 lbf.ft).
Use a beam-type torque wrench. When using a pre-
set-type torque wrench, be sure to tighten slowly
and do not overtighten.
lf a bolt makes any noise while you are torquing it,loosen the bolt, and retighten it from the 1st step.
CYLINDER HEAD BOLTS TOROUE SEOUENCE:
Tighten the intake manifold mounting bolts (see
page 6-21).
Install the exhaust manifold bracket. and tighten thenew self-locking nuts (see page 6-20).
6-30
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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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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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PistonsCrankshaft
Installation
1. Apply a coat of engine oil to the ring grooves andcylinder bores.
It the crankshaft is already installed.
2. Set the crankshatt to BDC for each cylinder.3. Remove the connecting rod caps, and slip short sections of rubber hose over the threaded ends of theconnecting rod bolts.
4. lnstall the ring compressor, and check that the bear-ang is securely in place.
5. Position the piston in the cylinder, and tap it in usingthe wooden handle of a hammer. Maintain down-ward force on the ring compressor to prevent ringstrom expanding before entering the cylinder bore.6. Stop after the ring compressor pops free, and checkthe connecting rod-to-crank journal alignmentbefore pushing piston into place.
7. Install the rod caps with bearings, and torque theNUIS IO:
31 N.m (3.2 kgf.m,23 tbf.ft)
Apply engine oil to the bolt threads.
lf the crankshaft is not installed:
2. Remove the rod caps and bearings, and install theflng compressor.
3. Position the piston in the cylinder, and tap it inusing the wooden handle of a hammer. Maintaindownward force on the ring compressor to prevent
rings from expanding before entering the cylinderoore,
4. Position all the pistons at top dead center.
The arrow must facethe timing belt sideof the engine.
CONNECTING ROOOIL HOLE
RUBBER HOSES
7 -20
\-\
3.
4.
1.
6.
Installation
Apply a coat of engine oil to the main bearings androd bearings.
Insert the bearing halves in the cylinder block andconnect|ng rods.
Hold the crankshaft so the rod journals for cylindersNo.2 and No. 3 are straight down.
Lower the crankshaft into the block, seating the rodjournals into connecting rods No.2 and No.3.Install the rod caps and nuts finger tight.
outward.
Rotate the crankshaft clockwise, and seat the jour
nals into connecting rods No. 1 and No. 4, Install
the rod caps and nuts finger-tight. Install the capsso the bearing recess is on the same side as therecess an the rod.
Check the rod bearing clearance with plastigage(see page 7 8). then lorque the capnuts.
Torque:
3l N.m 13.2 kgf.m, 23 lbt.ftl
Apply engine oil to the bolt thleads.
5.
7. Install the thrust washers on the No. 4 journal.
Line up the mark wheninstalling connecting rodcap.
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