Installation Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View of Muffler

Courtesy of GENERAL MOTORS CORP.

Apply lubricant to the exhaust insulators in order to aid in installation.
Install the muffler to the insulators.

Fig 2: Identifying Exhaust Muffler Nuts

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NOTE: Refer to FASTENER NOTICE .

Install the exhaust muffler nuts.
Tighten: Tighten the nuts to 40 N.m (30 lb ft).

Fig 3: Identifying Rear Shock Absorbers Lower Bolts & Nuts

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Raise the rear axle, using the adjustable jackstands.
Install the lower bolts and nuts to the rear shock absorbers.
Tighten: Tighten the rear bolts to 95 N.m (70 lb ft).
Remove the adjustable jack stands from under the rear axle.

Fig 4: View of Rear Axle Vent Hose

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Install the vent hose swivel clip to the rear brake crossover pipe.
Install the rear axle vent hose to the rear axle, if necessary.

Fig 5: Identifying Electronic Suspension Rear Position Sensor & Rear Shock

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If servicing a vehicle, equipped with RPO Z55, install the left and right sensor link rods to the sensors. Using J 38185 install the link rods to the ball studs on the sensor levers.
Connect the chassis harness to the following electrical connectors:
- Electronic suspension rear position sensor (1)
- Rear shock (2)
Install the spare tire.

Fig 6: View of Oil Pan Skid Plate

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Install the oil pan skid plate and bolts, if necessary.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
Install the rear tires and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .