Removal 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 Oil Pan Skid Plate

Courtesy of GENERAL MOTORS CORP.

Remove the rear tires and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
Remove the oil pan skid plate bolts and plate, if necessary.
Remove the spare tire.

Fig 2: Identifying Electronic Suspension Rear Position Sensor & Rear Shock

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If servicing a vehicle equipped with regular production option (RPO) Z55, disconnect the chassis harness from the following electrical connectors:
- Electronic suspension rear position sensor (1)
- Rear shock (2)

IMPORTANT: Do not attempt to pry the rear suspension sensor link rod from the rear position sensor ball stud.

Remove the left and right sensor link rods from the sensors, perform the following:
1. Support the sensor lever with your hand
2. Twist the link rod in order to remove it from the ball stud
Install adjustable jack stands under the rear axle.

Fig 3: View of Rear Axle Vent Hose

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Remove the rear axle vent hose from the rear axle, if necessary.
Remove the vent hose swivel clip from the rear brake crossover pipe.

Fig 4: Identifying Rear Shock Absorbers

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Remove the rear shock absorbers lower bolts and nuts.
Lower the rear axle slightly, using the adjustable jack stands, in order to remove the muffler.

Fig 5: Identifying Exhaust Muffler Nuts

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Remove the exhaust muffler nuts.

Fig 6: View of Muffler

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Remove the muffler from the insulators.