Exhaust Resonator Replacement (L94 with MWN)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exhaust Resonator (L94 with MWN)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to Exhaust Service Warning . WARNING: Refer to Eye Protection Warning . Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Loosen or remove the rear fascia. Refer to Rear Bumper Fascia Replacement (Avalanche, Cadillac EXT) , Rear Bumper Fascia Replacement (All Utility, Cadillac ESV) , Rear Bumper Fascia Replacement (Escalade Premium) .
1	Exhaust Clamp Fastener CAUTION: Refer to Fastener Caution . Tighten 55 (40 lb ft)
2	Exhaust Isolators NOTE: Lubricate for ease of installation.
3	Exhaust Resonator Procedure Remove the exhaust resonator (3) from the exhaust isolators (2). Loosen the exhaust muffler clamp fastener (1) and remove the exhaust resonator. NOTE: Remove/cut-off alignment pin on resonator and align exhaust system by hand if parts are replaced as NEW.