Mark - Honda Civic Service Manual

Valve Clearance
Adjustment
NOTE:
. Valves should be adjusted only when the cylindsr
head temperature is less than 100"F (38"C).
. After adjusting, retorque the crankshaft pulley bolt
(see page 6-16).
1, Remove the cylinder head cover.
NOTE; Refer to page e46 when installing the cytinder
head cover.
2.
Remove the upper cover (see page 6-19).
3.
Set the No. 1 piston at TDC. The "UP" mark on the
c a m - s h a f t p u l l e y s h o u l d b e a t t o p , a n d t h e T D C
marks should align with the cylinder head surface.
TDC MARKS
4. Adjust valves on No, 1 cylinder.
Intako: 0.18 - 0.22 mm {0.007 - 0.009 in}
Exhaust: 0.23 - 0.27 mm (0.009 - 0.011 inl
"UP" MARK
6 - 12
N o . 4
5. Loosen the locknut, and turn the adjustment screw
until the feeler gauge slides back and forth with a
sliOht amount of drag,
D16Y7 engin.:
CAUTION: Do not oyertighlen the locknuts; tho
rockor arms are made of aluminum.
INTAKE end EXHAUST VALVE
LOCKNUTS
Dl6Y5, Dl6Y8 engin€3:
INTAKE .nd EXHAUST VALVE
LOCKNUTS
20 N.m 12.0 kstm, 14lbtft)
Adiusting screw locations:
IMTAKE
o.4 1{o. 3 No. 2
t r
(
nb.3 No.2 No. 1
EXHAUST
18 N.m (1.8 kgI.m, 13 tbl.ftl