Removal Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the intake manifold. Refer to Intake Manifold Replacement .
Important: Do NOT remove the right exhaust manifold. Disconnect from the right cylinder head and connection at the left exhaust manifold and move aside.
- Disconnect the right exhaust manifold from the cylinder head. Refer to EXHAUST MANIFOLD REPLACEMENT - RIGHT (LX5) or EXHAUST MANIFOLD REPLACEMENT - RIGHT (L47) in Engine Exhaust.
- Adjust the water crossover pipe for access. Refer to WATER CROSSOVER REPLACEMENT (LX5) or WATER CROSSOVER REPLACEMENT (L47) in Engine Cooling.
- Remove the camshaft covers. Refer to Camshaft Cover Replacement - Left . and Camshaft Cover Replacement - Right .
- Install the J 42038 on the camshafts.
- Remove the primary camshaft drive chain. Refer to Primary Camshaft Drive Chain Replacement .
- Remove the right cylinder head camshafts. Refer to Camshaft Replacement -Right .
Important: Place the valve train parts in a rack in order to make sure that they are installed in the same location from which they were removed.
- Remove the valve rocker arms.
- Remove the lifters.
- Remove the coolant temperature sensor from the right cylinder head. Refer to ENGINE COOLANT TEMPERATURE SENSOR in Engine Controls-3.5L.
- Remove the M6 external drive bolts (1, 3) from the front portion of the cylinder head. Note the location of the longer M6 bolt (1).
- Remove and discard the M11 internal drive cylinder head bolts (2). DO NOT reuse the cylinder head bolts.
- Remove the cylinder head. Make sure that no dowel guide pins are stuck in the cylinder head.
- Remove the cylinder head gasket. Make sure all of the gasket material is removed.
- Place the cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.
- Clean and inspect the cylinder head. Refer to CYLINDER HEAD CLEANING AND INSPECTION in Engine Mechanical-3.5L Unit Repair.