Reaming; Warpage - Honda CR-V 1997 Service Manual

Reaming
NOTE: For new valve guides only.
1. Coat the reamer and the valve guide with cutting oi l.
2. Rotate the reamer clockwise the full length of the
valve guide bore.
3. Continue to r ota te the reamer clockw ise while
removi ng it from the bore.
4. Thoroughly wash the guide in detergent and water
to remove any cutting residue.
5. Check clea rance with a va lve (see page 6-25).
6. Verify that the valves slide in the intake and exhaust
valve guides without exerting pressure.
REAMER HANDLE
Turn reamer in
clockwise direction
on ly .
VALVE GUIDE REAMER. 6.6 mm
07984 - 6570100
Cylinder Head
Warpage
NOTE: If camshaft-to-holder oil clearances (see page 6-22)
are not within specification, the head cannot be resur-
faced.
If camshaft-te-holder oil clearances are within specifica-
tions, check the head for warpage. Measure along the
edges, and three ways across the ce nter.
• "warpage is less than 0.05 mm (0.002 in) cyl inder
head resurfac ing is not required.
• If warpage is between 0.05 mm (0.002 in) and 0.2 mm
(0.008
in). resurface cylinder head.
• Maxim um resurface limit is 0.2 mm (0.008 in) based
on a height of
132.0
mm
(5.20
in).
PRECISION STRAIGHT EDGE
Cylinder Head Height:
Standard (New): 131.95 -132.05 mm
15.195 - 5.199 In)
6-27