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.
Installation Procedure
2011 GMC Savana Special 4.8 ASECTION Installation Procedure
WARNING: This page is about a different car, the 2011 GMC Savana and 2011 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- If replacing the catalytic converter, apply water based lubricant to the catalytic converter hanger bracket and slide the exhaust pipe hanger bracket into the catalytic converter hanger.
- Install a NEW catalytic converter to diesel particulate filter gasket.
- Position the catalytic converter to the diesel particulate filter, turbocharger exhaust pipe and the hanger bracket to transmission.
- Install the catalytic converter hanger to transmission bolts (1) and tighten to 58 N.m (43 lb ft).
- Install the catalytic converter to particulate filter nuts (3) until snug.
CAUTION:
Refer to Fastener Caution .
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.