Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Exhaust Muffler & Gasket

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Install a NEW gasket onto the exhaust muffler studs.
Install the exhaust muffler to the particulate filter.
With the aid of an assistant, support the exhaust muffler.

Fig 2: View Of Exhaust Insulators

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Install the exhaust muffler hangers to the exhaust insulators (1).

Fig 3: View Of Exhaust Particulate Filter Nuts

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NOTE: Refer to Fastener Notice .

Install the exhaust muffler to exhaust particulate filter nuts (1).
Tighten: Tighten the nuts to 45 N.m (33 lb ft).

Fig 4: Rear Shock Absorber Bolts And Nuts (6.0L, 6.6L, and 8.1L Engines)

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

Fig 5: View Of Vent Hose Swivel Clip & Rear Brake Crossover Pipe

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Install the rear axle vent hose to the rear axle, if necessary.
Connect the vent hose swivel clip to the rear brake crossover pipe, if necessary.
Remove the adjustable jack stands from under the rear axle, if necessary.
Install the spare tire, if necessary.
Lower the vehicle.