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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISENGINE MECHANICALENGINE EXHAUST SYSTEMREPAIR INSTRUCTIONSTAIL PIPE REPLACEMENT (WITH RPO Z03)INSTALLATION PROCEDURE
2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
IMPORTANT: The alignment information shown below only shows the right side tail pipe, the left side tail pipe specifications are the same.
    Fig 1: Muffler Tail Pipe
    GM1553112Courtesy of GENERAL MOTORS CORP.
  1. Install the muffler tail pipe into the muffler until the stop is reached.
    2. Fig 2: Aligning The Muffler Tail Pipe Centerline
    GM1553114Courtesy of GENERAL MOTORS CORP.
  2. Align the muffler tail pipe centerline (1) to the rear fascia (2).

    Specification:  ± 2 degrees rotational angularity in relation to horizontal.

    3. Fig 3: Aligning The Muffler Tail Pipe Height
    GM1553117Courtesy of GENERAL MOTORS CORP.
  3. Align the muffler tail pipe height to the rear fascia (1).

    Specification:  35 mm (1.38 in) to 45 mm (1.77 in) (maximum allowable difference of 3 mm (0.12 in) between left and right tail pipe).

    4. Fig 4: Centering Exhaust Tail Pipe To Rear Fascia
    GM1553120Courtesy of GENERAL MOTORS CORP.
  4. Center the exhaust tail pipe to the rear fascia (1, 2).

    Specification: 

    • Rear fascia (inner) to tail pipe (1) 11.2 mm (0.441 in).
    • Rear fascia (outer) to tail pipe (2) 11.3 mm (0.445 in)

    5. NOTE: Refer to Fastener Notice .
  5. Tighten the exhaust tail pipe extension clamp nut.

    Tighten:  Tighten the nut to 68 N.m (50 lb ft).

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.