Avalanche 1500 2WD V8-5.3L (2008)
Notice: Refer to Fastener Notice.
2. Install the platform hitch bolts to the frame rails and the rear bumper.
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Tighten the trailer hitch-to-frame bolts to 113 N.m (83 lb ft).
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Tighten the trailer hitch-to-bumper bolts to 95 N.m (70 lb ft).
3. Connect the trailer wiring harness.