Variable Valve Timing Actuator: Service and Repair

Camshaft Position Exhaust Actuator Replacement

Special Tools
* J 36660-A Torque Angle Meter
* J 44217 Timing Chain Retention Tool

Removal Procedure

1. Remove the camshaft cover. Refer to Camshaft Cover Replacement (Service and Repair).
2. Rotate the engine until the word Delphi on the exhaust camshaft position actuator (1) 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.




4. 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.




5. Remove the exhaust camshaft position actuator bolt.
6. Remove the exhaust camshaft position actuator.

Installation Procedure




1. Install the exhaust camshaft actuator into the timing chain.
2. Align the marked link of the timing chain with the timing mark on the exhaust camshaft position actuator sprocket (1).

Note: Ensure the alignment pin is engaged between the camshaft and the exhaust camshaft position actuator.

3. Install the exhaust camshaft actuator onto the exhaust camshaft.





Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the exhaust camshaft actuator bolt.

* Tighten the exhaust camshaft actuator bolt the first pass to 25 Nm (18 lb ft).
* Use the J 36660-A to tighten the exhaust camshaft actuator bolt the final pass an additional 135 degrees.

5. Remove the J-44217 .
6. Install the camshaft cover. Refer to Camshaft Cover Replacement (Service and Repair).