Removal Procedure
Caution: Refer to Battery Disconnect Caution in the Preface section.
- Disconnect the negative battery cable.
- Remove the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 3.0L (L81).
Important: The engine must be supported when the right
hand engine mount is removed. If the floor jack is being used, the vehicle should
not be lifted on a hoist.
Important: If raising the vehicle on a hoist, the Three
Bar Engine Support must be used.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
- Remove the right front wheel.
- Remove the splash shield push-pins.
- Remove the splash shield.
- Lower the vehicle.
- Install the Three Bar Engine Support Fixture 6 Cylinder (L81) B.
- Loosen the water pump and idler pulley bolts. The accessory drive belt tension
provides resistance to enable loosening of the bolts. Do not remove the fastening
bolt at this time.
- Remove the accessory drive belt using a 15 mm
wrench to compress the tensioner.
Important: Removal of the accessory drive belt requires
the removal of the right front engine mount.
- Remove the right engine mount to body mount.
- Remove the engine mount bracket from the engine.
- Remove the water pump pulley bolts.
- Remove the water pump pulley
- Remove
the idler pulley bolt.
- Remove the idler pulley.
- Disconnect the electrical harness connectors located at the engine harness channel.
- Disconnect the electrical harness channel from the front cover and position
away from the front cover assembly.
- Remove the accessory drive belt tensioner bolts.
- Remove the accessory drive belt tensioner.
Important: Disconnecting the A/C pressure connector
will allow additional slack so that the harness may be secured to the top of the engine.
Important: The engine harness channel has been disconnected
and positioned away from the front cover assembly.
- Remove the front timing belt cover bolts.
- Remove the front timing belt cover.
- Inspect the sealing strip on the outer edge of the front timing belt cover
for cracks and/or tears. Replace if necessary.
Installation Procedure
- Install the front timing belt cover.
Notice: Refer to Fastener Notice in the Preface section.
- Install the front timing belt cover bolts.
Tighten
Tighten the front timing belt cover bolt to 8 N·m
(71 lb in).
- Install the accessory drive belt tensioner.
- Install the accessory drive belt tensioner bolts.
Tighten
Tighten the belt tensioner bolts to 40 N·m
(30 lb ft).
- Install
the drive belt idler pulley.
- Install the drive belt idler pulley bolt.
- Snug the power idler pulley bolt. The bolts will be tightened to the proper
specification when the serpentine drive belt is installed.
- Install the water pump pulley.
- Install the water pump pulley bolts. Snug the water pump pulley bolts.
The bolts will be tightened to the proper specifications when the accessory drive
belt is installed.
- Route the electrical harness into the engine harness channel and engage the
connectors.
- Install the wiring harness channel to the front cover.
Notice: Be sure to properly route the electrical harness to prevent harness damage caused
by the accessory drive belt.
- Attach the wiring harness channel extension to the right lower side of the wiring
harness channel.
- Install
the accessory drive belt.
- Tighten the water pump pulley bolt.
Tighten
Tighten the water pump pulley bolt to 8 N·m
(71 lb in).
- Tighten the drive belt idler pulley bolts.
Tighten
Tighten the idler pulley bolt to 20 N·m
(15 lb ft).
- Install the engine mount bracket and tighten the bolts.
Tighten
Tighten the engine mount bracket bolts to 55 N·m
(41 lb ft).
- Install engine mount-to-frame rail and engine mount bracket.
Tighten
Tighten the engine mount-to- bracket bolt to 55 N·m
(41 lb ft).
- Remove Three Bar Engine Support Fixture.
Caution: Ensure that the vehicle is properly supported and squarely positioned.
To help avoid personal injury when a vehicle is on a hoist, provide additional support
for the vehicle on the opposite end from which the components are being removed.
- Raise the vehicle.
- Install the splash shield.
- Install splash shield push pins.
- Install right front wheel and tire assembly.
Tighten
Tighten the wheel nuts to 125 N·m (92 lb ft).
- Lower
the vehicle.
- Install air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
.
- Connect negative battery cable.
Tighten
Tighten the battery terminal bolt to 17 N·m
(13 lb ft).