Removal Procedure
- Camshaft Cover - Remove - Camshaft Cover Replacement
- Vacuum Pump - Remove - Vacuum Pump Replacement
Fuel Pump (2) - Remove - Fuel Pump Replacement
- NOTE:
- Ensure the engine is properly timed to Top Dead Center (TDC), prior to performing repairs.
- Ensure the EN-50656 Timing Chain Retainer (1) is installed and securely tightened to prevent the camshaft chain from dropping into the front engine cover during camshaft actuator replacement.
CAUTION:Refer to Fastener Caution .
Install the EN-50656 Timing Chain Retainer (1) and tighten to 8 N.m (71 lb in).
- Mark the camshaft actuator sprocket and chain before removal.
Align and install the EN-50793 Camshaft Actuator Retainer (1) into the slots of the exhaust camshaft actuator.
- Mount the EN-50793 Camshaft Actuator Retainer to engine front cover and tighten the 2 bolts (2) to 10 N.m (89 lb in).
Camshaft Position Actuator Bolt (1) - Remove and DISCARD
Remove the EN-50793 Camshaft Actuator Retainer (1).
Camshaft Bearing Cap Bolt (1) - Remove
- Timing Chain Guide Bolt (2) - Remove
- Timing Chain Guide (3) - Remove
Camshaft Bearing Cap Bolt (1) - Remove [2x]
- Camshaft Bearing Cap (2) - Remove
- Mark each exhaust camshaft bearing cap to ensure they are installed in the same position.
- Loosen each bolt on each camshaft bearing cap one turn at a time until there is no spring tension pushing on the camshaft.
Camshaft Bearing Cap Bolt (1) - Remove [8x]
- Camshaft Bearing Cap (2) - Remove [4x]
Pull the exhaust camshaft actuator (2) forward away from the exhaust camshaft (1). Lift the rear of the exhaust camshaft and pull it free from the exhaust camshaft actuator.
- Mark each intake camshaft bearing cap to ensure they are installed in the same position.
- Loosen each bolt on each camshaft bearing cap one turn at a time until there is no spring tension pushing on the camshaft.
Camshaft Bearing Cap Bolt (1) - Remove [10x]
- Camshaft Bearing Cap (2) - Remove [5x]
- Mark the camshaft actuator sprocket and chain before removal.
- Lift the intake camshaft from it's original position and place it into exhaust camshaft position.
Align and install the EN-50793 Camshaft Actuator Retainer (1) into the slots of the intake camshaft actuator.
- Mount the EN-50793 Camshaft Actuator Retainer to engine front cover and tighten the 2 bolts (2) to 10 N.m (89 lb in).
Camshaft Position Actuator Bolt (1) - Remove and DISCARD
Remove the EN-50793 Camshaft Actuator Retainer (1).
Pull the intake camshaft actuator (1) forward away from the intake camshaft (2). Lift the rear of the intake camshaft and pull it free from exhaust camshaft actuator.
- Replace the camshaft if necessary.
Use the 3 pry points to remove the bearing cap evenly.
If replacing the camshaft, ensure to transfer any marking from the old camshaft to the new one.