Installation Procedure

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Heat Shield & Nuts
    GM1787889Courtesy of GENERAL MOTORS CORP.
  1. Position the heat shield to the underbody and the dash panel.
  2. NOTE: Refer to Fastener Notice .
  3. Install the heat shield nuts.

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  4. Fig 2: Identifying Front Sub-Frame Mounting Bolts
    GM1580120Courtesy of GENERAL MOTORS CORP.
  5. Install the left frame reinforcement (3).
  6. Install the left frame bolts (4).

    Tighten:  Tighten the bolts to 100 N.m (74 lb ft) plus an additional 90 degrees using the J 45059  .

  7. Raise the muffler pipe into position and install the first two muffler insulators onto the hangers.
  8. If equipped with a 3.5L or 3.6L engine, install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LY7)  or Catalytic Converter Replacement - Left Side (LZ4)  and Catalytic Converter Replacement - Right Side (LZ4)  or Catalytic Converter Replacement - Right Side (LY7) .
  9. If equipped with a 2.4L engine, install the exhaust manifold pipe. Refer to Catalytic Converter Replacement (LAT or LE5)  or Catalytic Converter Replacement (LE5 With MH8) .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.