Removal Procedure
WARNING: This page is about a different variant/trim than selected.
- Remove the camshaft adjuster. Refer to Camshaft Position Actuator Adjuster Replacement .
- Remove the rear timing belt cover. Refer to Timing Belt Rear Cover Replacement .
- Remove intake camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
- Remove exhaust camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
- Remove EN-6628-A
locking tool.
Counterhold at hexagon of camshaft.
- Remove the 4 camshaft bearing cap bolts.
Courtesy of GENERAL MOTORS COMPANY
NOTE: Note removal sequence 1-4. - Remove the first camshaft bearing cap (1).NOTE: Release the bearing support by striking it gently with a plastic hammer.
- Loosen the 8 exhaust camshaft bearing cap bolts working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
- Remove the 8 exhaust camshaft bearing cap bolts.
- Remove the 4 exhaust camshaft bearing caps Numbers 6-9 from the cylinder head.NOTE: Mark camshaft bearing caps before removal.
- Remove the exhaust camshaft (1).
- Loosen the 8 intake camshaft bearing cap bolts working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
- Remove the 8 intake camshaft bearing cap bolts.
- Remove the 4 intake camshaft bearing caps Numbers 2-5 from the cylinder head.NOTE: Mark camshaft bearing caps before removal.
- Remove the intake camshaft (1).
- Detach the seal rings from the camshafts.