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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 503 (Engine Exhaust System) >> Repair Instructions >> Oxygen Sensor Wiring Harness Heat Shield Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.
CAUTION: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.
  1. Raise and support the vehicle.
    CAUTION: Eye protection must be worn when drilling rivets to reduce the chance of personal injury.
  2. Drill through the center of the heat shield rivets.
  3. Remove the heat shield (2) from the floor panel.
  4. Remove the oxygen sensor retainer (1) from the heat shield (2).
    Fig 1: Removing Oxygen Sensor Retainer From Heat Shield
    G01759764Courtesy of GENERAL MOTORS CORP.