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Home >> Pontiac >> 2004 >> Vibe Base, FWD, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Front Pipe Replacement >> Installation Procedure

Installation Procedure

NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 1: Heated Oxygen Sensor (HO2S1), Exhaust Pipe Hanger, Springs And Bolts
    GM836332Courtesy of GENERAL MOTORS CORP.
  1. Install the front pipe to the vehicle.
  2. Install the front pipe to the front pipe hanger (2).
  3. Install the following components to the front pipe to the Three Way Catalytic Converter (TWC) exhaust pipe:
    • The 2 springs
    • The 2 bolts

      Tighten:  Tighten the front pipe-to-Three Way Catalytic Converter (TWC) exhaust pipe bolts to 43 N.m (32 lb ft).

  4. Install the following components to the exhaust manifold:
    • The 2 springs
    • The 2 bolts

      Tighten:  Tighten the front pipe-to-exhaust manifold bolts to 43 N.m (32 lb ft).

    5. Fig 2: Floor Panel Brace
    GM875991Courtesy of GENERAL MOTORS CORP.
  5. Install the floor panel brace.

    Tighten:  Tighten the front pipe floor brace nuts to 30 N.m (22 lb ft).

  6. Install the oxygen sensors. Refer to the following procedures:
  7. Lower the vehicle.
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