gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

ABOUT US
Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 4269 > < Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 4267

Sierra 3500 Denali 4WD V8-6.0L (2011)

Page 8
background image

3. Remove the transmission support crossmember. Refer to Transmission Support Crossmember Replacement (2WD 1500 Series)   (See: Body and

Frame/Frame/Cross-Member/Service and Repair/Transmission Support Crossmember Replacement (2WD 1500 Series))Transmission Support
Crossmember Replacement (4WD 1500 Series)   (See: Body and Frame/Frame/Cross-Member/Service and Repair/Transmission Support
Crossmember Replacement (4WD 1500 Series))Transmission Support Crossmember Replacement (2WD 2500/3500 Series)   (See: Body and
Frame/Frame/Cross-Member/Service and Repair/Transmission Support Crossmember Replacement (2WD 2500/3500 Series))Transmission
Support Crossmember Replacement (4WD 2500/3500 Series)   (See: Body and Frame/Frame/Cross-Member/Service and Repair/Transmission
Support Crossmember Replacement (4WD 2500/3500 Series))

4. Remove the exhaust muffler to exhaust manifold pipe nuts (1).

5. Remove the exhaust manifold pipe to exhaust manifold nuts (1) and replace the seal (2) with a NEW one. 

Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 4269 > < Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 4267