Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBUICK2007RAINIER AWD L6-4.2LREPAIR AND DIAGNOSISBODY AND FRAMEBUMPERREAR BUMPERREAR BUMPER REINFORCEMENTSERVICE AND REPAIR
2007 Buick Rainier AWD L6-4.2L
Rear Bumper Reinforcement: Service and Repair
2007 Buick Rainier AWD L6-4.2LSECTION Service and Repair
Rear Bumper Impact Bar Replacement
Removal Procedure
1.Remove the spare tire carrier. Refer to Spare Wheel Hoist Replacement .
2.Remove the rear fascia. Refer to Rear Bumper Fascia Replacement Rear Bumper Fascia Replacement .
3.Disconnect the trailer/towing receptacle electrical connector.
4.Rotate the trailer/towing receptacle assembly counterclockwise and remove from the vehicle.
5.Remove the 4 rearward bolts that retain the impact bar assembly to the frame rails.
6.While an assistant holds the impact bar (1) assembly in place, remove the remaining 2 retaining bolts.
7.Remove the impact bar (1) assembly from the vehicle with an assistant.
Installation Procedure
1.Position the impact bar (1) assembly to the vehicle with an assistant.
Notice:Refer to Fastener Notice .
2.Install the bolts that retain the rear impact bar to the frame.
TightenTighten the rear impact bar bolts to 364 N οΏ½m (268 lb ft).
3.Install the trailer/towing receptacle assembly to the bracket and rotate clockwise until fully seated.
4.Connect the trailer/towing receptacle electrical connector.
5.Install the rear fascia. Refer to Rear Bumper Fascia Replacement Rear Bumper Fascia Replacement .
6.Install the spare tire carrier. Refer to Spare Wheel Hoist Replacement .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.