Removal Procedure
- Timing Chain Upper Cover - Remove - Timing Chain Upper Cover Replacement
Unclip the front 2 retainers (1) and reposition the engine wiring harness (2).
Camshaft Cover Opening Plug (1) - Remove [2x]
- NOTE:
Rotate the engine using the crankshaft balancer until the locking pins of the EN-52462-A Camshaft Alignment Tool (1) drop into the slots in the camshafts.
EN-52462-A Camshaft Alignment Tool (1) - Install
- Insert the bolt (2) of the EN-52462-A Camshaft Alignment Tool (1) into the camshaft carrier and tighten to secure the tool to the camshaft carrier.
Lock the EN-52462-A Camshaft Alignment Tool (1) by rotating the levers in direction of arrow.
Install the EN-52461 Cam Phaser Torque Reaction Tool (2) to the 2 EN-52461-100 Adapter Cam Phaser Torque Reaction Tool (3).
- Hand tighten the 2 bolts (1, 4) of EN-52461 Cam Phaser Torque Reaction Tool.
Install the EN-52461 Cam Phaser Torque Reaction Tool (5) along with the 2 EN-52461 Cam Phaser Torque Reaction Tool (2, 3) to the camshaft carrier.
- Tighten the 2 bolts (1, 4) of EN-52461-100 Adapter Cam Phaser Torque Reaction Tool.
- Tighten the 2 bolts from the EN-52461 Cam Phaser Torque Reaction Tool to the 2 EN-52461 Cam Phaser Torque Reaction Tool that were hand tightened.
Install the EN-52461-1 Holder (1) to the holes in the camshaft sprocket.
- Check that the EN-52461-1 Holder (1) sits correctly in the hole of the camshaft sprocket.
- To take tension of the actuators and loosen timing chain. Turn the exhaust side counter clockwise to 6 N.m (53 lb in) and tighten bolt (3) just enough to hold the EN-52461-1 Holder (1) in place.
- Turn the intake side counter clockwise to 6 N.m (53 lb in) and tighten bolt (4) just enough to hold the EN-52461-1 Holder (1) in place.
EN-52436 Timing Chain Tensioner Retention Tool (1) @ Timing Chain (2) - Install
- NOTE:
Only remove the camshaft position actuator valve bolts that are defective, or as necessary to remove their corresponding actuators.
Remove the camshaft sprocket bolt (1) as necessary and DISCARD.