Rainier AWD L6-4.2L (2007)
Variable Valve Timing Actuator: Service and Repair
Camshaft Position Exhaust Actuator Replacement
Tools Required
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J 36660-A Torque Angle Meter
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J 44217 Timing Chain Retention Tool
Removal Procedure
1. Remove the camshaft cover. Refer to Camshaft Cover Replacement.
2. Rotate the engine until the word Delphi on the exhaust camshaft position actuator is lined up parallel with the cylinder head to cam cover mating
surface.
3. Remove the top chain guide bolts.
4. Remove the top chain guide.
5. Using the timing mark on the exhaust camshaft position actuator sprocket as a reference, make a mark on the timing chain link across from it.
6. Install the J-44217 (1).
1. Install the hook portion of the timing chain retention tools into one of the timing chain links near the timing chain shoe on both sides of the
engine.
2. Tighten the wingnuts.
3. Ensure the hooks are still in one of the links and the gage blocks of the tool are firmly in place on the edge of the head.