Vtc Actuator, Exhaust Camshaft Sprocket Replacement - Honda Accord 2008 Manual

07/11/02 09:23:08 61TA0000_060_0031

VTC Actuator, Exhaust Camshaft Sprocket Replacement

Removal
1. Remove the cam chain (see page 6-13).
2. Hold the camshaft with an open-end wrench, then
loosen the variable valve timing control (VTC)
actuator mounting bolt and the exhaust camshaft
sprocket mounting bolt.
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3. If the VTC actuator will be reused, do these steps.
–1 Remove the intake camshaft, and seal the
–2 Punch a hole in the tape over one of the
–3 Apply air to the advance hole to release the
–4 Remove the tape and adhesive residue from
4. Remove the VTC actuator and the exhaust
camshaft sprocket.
advance holes and retard holes in the No. 1
camshaft journal with tape (see step 6 on page
6-8).
advance holes (see step 7 on page 6-8).
lock (see step 8 on page 6-9).
the camshaft journal.
Installation
1. Install the VTC actuator and the exhaust camshaft
sprocket.
NOTE: Install the VTC actuator while in the
unlocked position.
2. Apply new engine oil to the threads of the VTC
actuator mounting bolt and the exhaust camshaft
mounting bolt, then install them.
3. Hold the camshaft with an open-end wrench, then
tighten the bolts.
Specified Torque
VTC Actuator Mounting Bolt:
12 x 1.25 mm
113 N·m (11.5 kgf·m, 83 lbf·ft)
Exhaust Camshaft Sprocket Mounting Bolt:
10 x 1.25 mm
72 N·m (7.3 kgf·m, 53 lbf·ft)
4. Hold the camshaft, and turn the VTC actuator
clockwise until you hear it click. Make sure to lock
the VTC actuator by turning it.
5. Install the cam chain (see page 6-15).
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