The 3.4L engine accessory drive belt uses an auto-tensioner. No adjustment is necessary.
Drive Belt Routings
Inspect the drive belt for signs of glazing or cracking. A glazed belt will be perfectly smooth from slippage, while a good belt will have a slight texture of fabric visible. Cracks will usually start at the inner edge of the belt and run outward. All worn or damaged drive belts should be replaced immediately.
Removal & Installation
- Remove the air cleaner assembly.
- Using Special Tool J-39914, or a suitable belt tensioner unloader, rotate the drive belt tensioner to release the tension on the drive belt.
- Remove the drive belt from the right idler pulley.
- Carefully release the unloader to relieve the drive belt tensioner spring tension.
- Remove the unloader from the drive belt tensioner .
- Provided the vehicle will not be raised or lifted to perform additional work. Utilizing a floor jack and a wood block, support the front of the engine unlock between the lift point of the floor jack and the bottom of the engine oil pan.
- Raise the jack until the wood block comes into contact with the engine oil pan and is capable of supporting the weight of the engine.
- If the vehicle is to be raised or lifted in order to perform additional work. Support the engine using the engine support fixture.
- Remove the right engine mount.
- Remove the drive belt from the remaining pulleys.
- Install the drive belt to all the pulleys except the right idler pulley.
- Install the right engine mount. Tighten the nuts to 81 ft. lbs. (110 Nm).
- Remove the floor jack from under the engine oil pan or remove the engine support fixture.
- Using tensioner tool and rotate the drive belt tensioner away from the drive belt.
- Install the drive belt to the right idler pulley.
- Carefully release the tool allowing the drive belt tensioner to come in contact with the drive belt.
- Remove the tool.
- Inspect the drive belt to insure the belt is properly centered on all pulleys.
- Install the air cleaner assembly.