GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Muffler

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REMOVAL & INSTALLATION




CAUTION
Do NOT service the exhaust system while the engine is warm. Extreme heat is generated by engine and may cause severe burns if not allowed to completely cool before servicing.

See Figures 1, 2 and 3

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Fig. Fig. 1: Left side muffler cut location-1996 vehicle with dual exhaust shown



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Fig. Fig. 2: Cut the muffler pipe as close to the weld as possible



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Fig. Fig. 3: Muffler installation-1996 vehicle shown

  1. Raise and safely support the vehicle.
  2.  
  3. Suitable support the intermediate pipe and muffler.
  4.  

The cuts must be made as close to the weld(s) as possible to ensure adequate overlap for clamping.

  1. Cut the intermediate pipe at the muffler in front of the weld.
  2.  
  3. Remove the hangers at the muffler.
  4.  
  5. Remove the muffler assembly.
  6.  

To install:
  1. Position two exhaust quality clamps onto the muffler. Do not tighten the clamps yet.
  2.  
  3. Install the muffler and hangers.
  4.  
  5. Tighten the muffler clamps and hangers to 37 ft. lbs. (50 Nm).
  6.  
  7. Remove the support, then carefully lower the vehicle.
  8.  
  9. Start the engine and check the entire system carefully for leaks.
  10.  

 
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