Vtec Rocker Arm Test - Honda Accord 2008 Manual

07/11/02 09:24:10 61TA0000_060_0057

VTEC Rocker Arm Test

Special Tools Required
• Air pressure regulator 07AAJ-PNAA101
• VTEC air adapter 07ZAJ-PNAA101
• VTEC air stopper 07ZAJ-PNAA200
• Air joint adapter 07ZAJ-PNAA300
1. Start the engine, and let it run for 5 minutes, then
turn the ignition switch to LOCK (0).
2. Remove the cylinder head cover (see page 6-76).
3. Set the No. 1 piston at top dead center (TDC) (see
step 5 on page 6-64).
4. Intake side: Move the secondary rocker arm (A) for
the No. 1 cylinder. The secondary rocker arm
should move independently of the mid rocker arm
(B).
• If the secondary rocker arm does not move,
remove the mid, primary, and secondary rocker
arms as an assembly, and check that the pistons
in the rocker arms move smoothly. If any rocker
arm needs replacing, replace the mid, primary,
and secondary rocker arms as an assembly, then
retest.
• If the secondary rocker arm moves freely, go to
step 5.
＊０１
B
A
5. Exhaust side: Move the secondary rocker arm (A)
for the No. 1 cylinder. The secondary rocker arm
should move independently of the primary rocker
arm (B).
• If the secondary rocker arm does not move,
remove the primary and the secondary rocker
arms as an assembly, and check that the pistons
in the rocker arms move smoothly. If any rocker
arm needs replacing, replace the primary and the
secondary rocker arms as an assembly, then
retest.
• If the secondary rocker arm moves freely, go to
step 6.
6. Repeat step 4 through 5 on the remaining
secondary rocker arms with each piston at TDC.
When all the secondary rocker arms pass the test,
go to step 7.
7. Check that the air pressure on the shop air
compressor gauge indicates over 400 kPa
2
(4.0 kgf/cm , 57 psi).
8. Inspect the valve clearance (see page 6-60).
ＴＡ０８ＡＥＪＡ１４６８０３５１５１１ＦＥＡＴ００
B
A
(cont'd)
6-57
＊０２