TrailBlazer 4WD L6-4.2L VIN S (2002)
Camshaft: Service and Repair
Exhaust Camshaft Position Actuator Replacement
Camshaft Position Exhaust Actuator Replacement
Tools Required
-
J 36660-A Torque Angle Meter
-
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. 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.