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.
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HOMESERVICE MANUALSGMC2011CANYON 4WD L4-2.9LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSCATALYTIC CONVERTERCATALYST SHIELDSERVICE AND REPAIR
2011 GMC Canyon 4WD L4-2.9L
Catalyst Shield: Service and Repair
2011 GMC Canyon 4WD L4-2.9LSECTION Service and Repair
Catalytic Converter Heat Shield Replacement
Removal Procedure
Warning: Refer to Exhaust Service Warning (Exhaust Service Warning).
Warning: Refer to Protective Goggles and Glove Warning (Protective Goggles and Glove Warning).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Remove the 5 nuts securing the heat shield to the floor panel.
3. Remove the catalytic converter heat shield from the floor panel.
Installation Procedure
1. Position the catalytic converter heat shield to the floor panel studs.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the 5 nuts securing the heat shield to the floor panel. Tighten the heat shield nuts to 9 Nm (80 lb in).
3. Lower the vehicle.
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.