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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 Replacement - Right >> Removal Procedure

Removal Procedure

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.
    Fig 1: Outlet Resonator/Duct Assembly
    GM963963Courtesy of GENERAL MOTORS CORP.
  1. Loosen the clamp at the air cleaner assembly and throttle body assembly.
  2. Remove the attachment bolts from the outlet resonator/duct assembly to support bracket.
  3. Remove the outlet resonator/duct assembly.
    4. Fig 2: Disconnecting Purge Solenoid From Manifold
    GM958550Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the purge solenoid from the manifold to allow sufficient clearance when removing the upper exhaust manifold nut.
    5. Fig 3: Middle Exhaust Manifold
    GM933620Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Access to the middle exhaust manifold nut to limited from under vehicle.
  5. Remove the middle exhaust manifold nut using a boxed end wrench.
  6. Disconnect the bank #1 02 sensor #1 connector at the rear of the engine.
    7. Fig 4: Rear Exhaust Down Pipe Assembly
    GM927888Courtesy of GENERAL MOTORS CORP.
  7. Raise the vehicle.
  8. Remove the rear exhaust down pipe assembly. Refer to Exhaust Manifold Pipe Replacement (L81)  or Exhaust Manifold Pipe Replacement (L61) 
    9. Fig 5: View Of Stabilizer Bar Clamps, Bushings & Bolts
    GM929945Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Due to a clearance issue, when removing rear exhaust manifold (with 02 sensor), the right hand side of stabilizer bar must be rotated and positioned away from exhaust manifold.
  9. Remove the right hand stabilizer bar to frame mounting bolts.
    10. Fig 6: View Of Stabilizer Shaft & Link
    GM927949Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not allow the stud to rotate when removing or installing the right hand stabilizer nut. Secure the stud with a wrench while removing or installing the nut to prevent damage to the link.
  10. Remove the left and right hand stabilizer bar to lower link nut and discard the nut.
    11. Fig 7: Exhaust Heat Shield
    GM964386Courtesy of GENERAL MOTORS CORP.
  11. Remove the exhaust heat shield bolts.
  12. Remove the exhaust heat shield.
    13. Fig 8: Rear Exhaust Manifold & Gasket
    GM946726Courtesy of GENERAL MOTORS CORP.
  13. Remove the exhaust manifold nuts to the cylinder head.
  14. Remove the rear exhaust manifold and gasket.
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