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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1771 (Engine Exhaust) >> Repair Instructions >> Exhaust Manifold Pipe Replacement (L81) >> Removal Procedure-Front

Removal Procedure-Front

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.
    Fig 1: Disconnecting Electrical Connector From Oxygen Sensor (O2S)
    GM927933Courtesy of GENERAL MOTORS CORP.
  1. Hoist the vehicle.
  2. IMPORTANT: Do not apply silicone products to the oxygen sensor.
  3. Disconnect the electrical connector from the oxygen sensor (O2S).
  4. Fig 2: Exhaust Pipe Flange
    GM927884Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust pipe flange to front exhaust manifold nuts (3).
  6. Remove the exhaust pipe crossover flange nuts (2).
  7. Fig 3: View Of Stabilizer Shaft & Link
    GM927949Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Hold the link stud from rotating when removing nut. Discard the used nuts.
  8. Remove the left and right lower stabilizer link to stabilizer nuts.
  9. Fig 4: View Of Stabilizer Bar Clamps, Bushings & Bolts
    GM929945Courtesy of GENERAL MOTORS CORP.
  10. Remove the right side stabilizer bar to cradle bolts.
  11. Rotate the stabilizer bar upward to provide clearance for the exhaust pipe removal.
  12. Fig 5: View Of Hanger From Rubber Isolators
    GM926825Courtesy of GENERAL MOTORS CORP.
  13. Separate the downpipe from the exhaust pipe, twist/rotate to clear the rear flange and remove.
  14. Fully remove and discard the used gaskets.
  15. Remove the oxygen sensor if transferring to a new exhaust pipe.