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.
37. Center Support Assembly Reconditioning Repair
2006 GMC Savana 2500 V8-6.0L VIN USECTION 37. Center Support Assembly Reconditioning Repair
Center Support Assembly Reconditioning Repair
^ Tools Required
- J 39919-1 Center Support Thread Reamer
- J 39919-2 Center Support Pin Gage
Notice: You may recondition the original center support assembly one time only. You must use the new, larger, service bolt with the reconditioned center support assembly in order to avoid component damage. The service bolt is yellow in color, and the production bolt is black in color.
Perform one of the following steps:
^ If the center support assembly has been previously reconditioned, or if the J 39919-2 fits into the bolt hole, you MUST replace the center support assembly and bolt.
^ If the center support has never been previously reconditioned:
1. Insert the J 39919-2 into the center support assembly bolt hole. If the J 39919-2 does NOT fit into the center support bolt hole, you can recondition the center support assembly for reuse.
2. Ream the center support assembly bolt hole to the proper dimension using the J 39919-1.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.