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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1843 (Engine Controls And Fuel - 3.5L (L66) - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Bank 2 Heated Oxygen Sensor 1 Using The J39194-C
    GM1226401Courtesy of GENERAL MOTORS CORP.
  1. Apply a small amount of the anti-seize compound SA P/N 21485279, or equivalent, to the threads of the heated oxygen sensor.
    2. NOTE: Refer to Fastener Notice .
  2. Install the bank 2 heated oxygen sensor 2 using the J 39194-C  .

    Tighten:  Tighten the oxygen sensors (exhaust manifold) to 44 N.m (33 lb ft).

    3. Fig 2: View Of Wiring Harness Bracket Bolt
    GM1228621Courtesy of GENERAL MOTORS CORP.
  3. Install the heated oxygen sensor wiring harness bracket and bolt.

    Tighten:  Tighten the bolt to 40 N.m (30 lb ft).

  4. Install the left transmission mount. Refer to Transmission Rear Mount Replacement .
  5. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Connect the heated oxygen sensor harness connector (2). Make sure the locking tab is in the full closed position.
  7. Start the engine and make sure no exhaust leaks exist.
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