6-31 HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual

Camshafts
4.
Inspection
1.
7.
Loosen the adjusting screws.
Remove the camshaft holders.
Mark the rocker arms, then remove them.
Reinstall the camshaft and holders. Tighten the
camshaft holder bolts in a crisscross pattern, begin-
ning with the inner bolts.
9.8 N.m (1.0 kgf.m.7.2 lbf.ft)
Seat the camshafts by pushing them toward the dis-
tributor end of the head with a screwdriver.
Zero the dial indicator against the end of the
camshaft, push the camshaft back and forth and
read the end play.
Camshaft End Play:
Standard lNewl: 0.05 - 0.15 mm
10.002 - 0.005 in)
Service Limit: 0.5 mm (0.02 in)
Unscrew the camshaft holder bolts two turns at a
time, in a crisscross pattern, Then remove the
camshaft holder bolts from the cvlinder head.
Lift the camshafts out of the cylinder head. wipe
them clean, then inspect the lift ramps, Replace the
camshaft if any lobes are pitted, scored, or exces-
sively worn.
Clean the camshaft journal surfaces in the cylinder
head, then set the camshaft back in Dlace. Place aplastigage strip across each journal.
Install the camshaft holders. and torque the bolts tothe values and in the sequence shown on page 6-31.
NOTE: Do not rotate the camshafts during inspection.
8.
10.
6-22
11. Remove the camshaft holders. Measure the widest
portion of plastigage on each journal.
Camshatt-to HoldGr Oil Clearance:
Standard {Newl: 0.030 - 0.069 mm
{0.0012 - 0.0027 in}
Servico Limit: 0.15 mm (0.006 in)
12. lf camshaft-to-holder oil clearance is out of toler-
ance:
. And the camshaft has already been replaced,
you must replace the cylinder head.. lf the camshaft has not been replaced, first check
total runout with the camshaft suoDorted on V-
blocks.
Camshaft Total Runout:
Standard (N6w): 0.03 mm (0.001 in) max.
Service Limit 0.04 mm (0.(X)2 in)
Rotat6 camshattwhile measuring.
- lf the total runout of the camshafts is within tol-
erance, replace the cylinder head
- lf the total runout is out of tolerance, replace the
camshafts and recheck. lf the oil clearance is still
out of tolerance, replace the cylinder head.
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7.Place the rocker arms on the pivots and the valve
stems. Put the rocker arms in their original posi-
lrons.
lnstall the camshafts, then install the oil seals with
the open side (spring) facing in. Make sure that the
keyways on the camshafts are facing up and the No.
1 piston is at TDC.
Clean and dry the cylinder head mating surfaces.
Apply liquid gasket (P/N 08718 - 0001 or 08718 -
0OO3) to the head mating surfaces of the No. 1 and
No. 6 camshaft holders on both the intake and
exhaust side.
L
No. I
EXHAUST
II{TAKE
Apply liquid gasket to th€ shaded areas.
't't,
'10. lnstall the camshaft holders.
NOTE:
o "1" or "E' marks are stamped on the camshaft
holders.
. The arrows marked on the camshaft holders
should point at the timing belt.
Tighten each bolt in two steps to ensure that the
rockers do not bind on the valves.
Wipe off the excess liquid gasket from the No. 1 and
No. 6 camshaft holders with a shop towel,
Specified torque:
9.8 N.m (1.0 kgf.m, 7.2 lbf.ft)
Apply engine oil to the bolt ihreads.
I?,ITAKE
EXHAUST
(cont'd)
6-31
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