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HOMESERVICE MANUALSGMC2009CANYON 4D PICKUP, 2.9 9REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 74 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSMUFFLER REPLACEMENT (2.9L/3.7L)INSTALLATION PROCEDURE
2009 GMC Canyon 4D Pickup, 2.9 9

Installation Procedure

2009 GMC Canyon 4D Pickup, 2.9 9SECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Do not over-flex or damage the flex joint when moving the flex joint from the normal mounting position.
  1. Complete the following in order to install the muffler to the vehicle:
    1. With the muffler turned 90 degrees counterclockwise from the rear, carefully insert the muffler over the rear axle until the flange is near the catalytic converter.
    2. Rotate the muffler clockwise 90 degrees to the installed position.
    3. Slide the muffler forward into position, aligning the studs with the rear of the catalytic converter.
    2. Fig 1: View Of Exhaust Pipe Hanger
    GM1313623Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.