2000 HONDA CR-V Cat

Valve Guides
Valve Movement
1. Measure the guide-to-stem clearance with a dial
indicator while rocking the stem in the direction of
normal thrust (wobble method),
lntake Valve Stem-to-Guide Clearance:
Standard (Newl: 0.04 - 0.10 mm
(0.002 - 0.004 in)
Service Limit 0.16 mm (0.006 in)
Exhaust Valve Stem-to-Guide Clearance:
Standard {Newl: 0.10 - 0.16 mm
(0.004 - 0.006 inl
Service Limit: 0,22 mm (0.009 inl
lf the measurement exceeds the service limit,
recheck using a new valve.
lf the measurement is now within the service limit,
reassemble using a new valve.
lf the measurement still exceeds the limit, subtract the
O.D. of the valve stem, measured with a micrometer,
from the l.D. of the valve guide, measured with an
inside micrometer or ball gauge.
Take the measurements in three places along the
valve stem and three places inside the valve guide
The difference between the largest guide measure-
ment and the smallest stem measurement should
not exceed the service limit.
lntake Valve Stem-to-Guide Clearance:
Standard (New): 0.02 - 0.05 mm
{0.001 - 0.002 in)
Service Limit: 0.08 mm (0.003 in)
Exhaust Valve Stem-to-Guide Clearance:
Standard (New): 0.05 - 0.08 mm
(0.002 - 0.003 in)
Service Limit: 0.11 mm (0.004 in)
2.
3.
Replacement
1. As illustrated below, use a commercially available
air-impact valve guide driver attachment modified
to fit the diameter of the valve guides. In most
cases, the same procedure can be done using the
sDecial tool and a conventional hammer.
VALVE GUIDE DRIVER(Commerciallv available)
2.
3.
(0.25 inl I
_,1-r
,_T-_lrl
'11.3 mm(0.{,r in}
orVALVE GUIDE DRIVER, 6.6 mm0t9a:I - G5t01q)
Select the proper replacement guides. and chill
them in the freezer section of a refrigerator for
about an hour.
Use a hot plate or oven to evenly heat the cylinder
head to 300"F (150"C). Monitor the temperature with
a cooking thermometer. Do not get the head hofter
than 300'F (150"C); excessive heat may loosen the
valve seaIs.
6.4 mm
CAUTION: To avoid burns, uss heavy gloves when
handling the heated cylinder head.
(cont'd)
6-25
*]-- sz mm' l2.21inl
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Cylinder Head
Reaming
NOTE: For new valve guides only.
1. Coat the reamer and the valve guide with cutting oil.
2. Rotate the reamer clockwise the full length of the
valve guide bore.
Continue to rotate the reamer clockwise while
removing it from the bore.
Thoroughly wash the guide in detergent and water
to remove anY cutting residue.
Check clearance with a valve (see page 6-25).
Verify that the valves slide in the intake and exhaust
valve guides without exerting pressure.
3.
4.
5.
6.
vALvE GUIDE REAMER,6.6 mm0798i1 - 657010O
REAMER HANDLE
e
Warpage
NOTE: lf camshaft-to-holder oil clearances (see page G22)
are not within specification, the head cannot be resur-
faced.
lf camshaft-to-holder oil clearances are within specifica-
tions, check the head for warpage. Measure along the
edges, and three ways across the center.
. if warpage is less than 0.05 mm (0.002 in) cylinder
head resurfacing is not required
lf warpage is between 0.05 mm (0.002 in) and 0.2 mm
(0.008 in), resurface cylinder head.
Maximum resurface limit is 0.2 mm (0.008 in) based
on a height of 132.0 mm (5.20 in).
Cylind€r Hesd Height:
Standard {New}: 131.95 - 132.05 mm
15.195 - 5.199 inl
PRECISION STRAIGHT EDGE
6-27
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Valve Seats
Reconditioning
lf the guides are worn (see page 6-25), replace them (seepage e25) before reconditioning the valve seats.
1. Renew the valve seats in the cylinder head using avalve seat cutter.
Carefully cut a 45o seat, removing only enoughmaterialto ensure a smooth and concentric seat.
Bevel the upper edge of the seat with the 30. cutterand the lower edge of the seat with the 60" cutter.Check width of seat and adjust acco.dingly.
Make one more very light pass with the 45o cutter toremove any possible burrs caused bv the other cut-ters.
Valve Seat Width (lntake and Exhaust):
Standard {N.w}: 1.25 - 1.55 mm (0.049 - 0.051 in)Servica Limit: 2.0 mm (0.08 in)
o
o
5. After resurfacing the seat, inspect for even valve
seating: Apply Prussian Blue compound to the valve
face, and insert the valve in its original location in
the head, then lift it and snap it closed against the
seat several times.
ACTUALSEATINGSURFACE
VALVESEAT
7.
PRUSSIAN
The actual valve seating surface, as shown by the
blue compound, should be centered on the seat.. lf it is too high (closer to the valve stem), you
must make a second cut with the 60" cutter tomove it down, then one more cut with the 45"
cutter to restore seat width.
. lf it is too low (closer to the valve edge), you
must make a second cut with the 30. cutter tomove it up, then one more cut with the 45. cutter
to restore seat width.
NOTE: The final cut should alwavs be made withthe 45" cutter,
Insert the intake and exhaust valves in the head,
and measure valve stem installed heioht.
Intake Vslve Siem Instslted Height:
Standard {Newl: it0.765 - 41.235 mm
11.6049 - 1.6234 inl
Sarvico Limit: itl.il85 mm (1.6333 in)
Exhaust Valve Stem Installed H6ight:
Standard {New}: 42.755 - €.235 mm
11 .61137 - 1 .7022 inl/(|.,185 mm (1.7120 in)
VALVE STEMINSTALLED HEIGHT
8. lf valve stem installed height is over the servicelimit. replace the valve and recheck. lf it is still overthe service limit. replace the cylinder head; thevalve seat in the head is too deeo.
Servico Limit:
f-]
6-28
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lllustrated lndex
I Luori""t" "tl internal parts with engine oil during reassembly.
Apply liquid gasket to the mating surfaces of the right side cover and oil pump case before installing them.
Jse liquid gasket, Part No. 08718 - 0001 or 08718 - 0003.
:lean the oil pan gasket mating surfaces before installing the oil pan.
WASHERReplace.
76 x 1.0 mm
y' t:n- l.zxstm, 8.7 lbl ftl
9 oIL PAN
OIL PAN GASKETReplace.
to page 1-22when installing
BEARING CAP
OOWEL PIN
CRANKSHAFT OIL SEAL
11x 1.5 mm76 N.m {7.8 kgl.m, 56 lbf.ft}Appiy engine oilto the boltthreaos.NOTE: After lorquingeach cap, turn the crankshaftto check for binding.6x1.0mm9,8 N.m (1,0 kgf.m,7 .2 tbt.lrl
n
MAIN BEARINGSSelection, page 7 8NOTE: New main bearings mustbe selected by matching the crankand block identification markings.
otL
6 x'1.0 mm9.8 N.m {1.0 kgtm,7.2 tbf.ftl
BAFFI.f PLATE
9.8 N.m 11.0 kgt m,7.2 tbt+tl
12 x 1.0 mm
/,71N n 17 .5
&it ks{ m 5a lbtft) {a/Tl
GASKETReplace.
OIL PUMP
Installation,page 7-19Replace.
ln
6WASHER IA/T}Overhaul, page 8-8Removal/lnspection,page 8-9Apply liquid gasketto mating surface.
8 x 1.25 mm
ORIVE PLATE IA/T)Check for cracks.
6x1.0mm9.8 N.m 11.0 kgt.m,7.2 lbtft)2a N.m (2.a kgt.m,---\6/
CRANIGHAFT SEALInstallation, page 8-10Replace-
6x1.0mm9.8 N.m l'1.0 kgf.m,7.2 lbf.ft)
RIGHT SIDE COVERApply liquid gasketto mating surface,
O.RINGReplace.THRUST WASHERSGrooved sides face outlvard,NOTE: Thrust washer thicknessis lixed and must not be changedby grinding or shimming.
(cont'd)
7-3
6x1.0mm
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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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