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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1392 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Engine Mount Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components.
If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.
    Fig 1: View Of Right Side (Left Side Similar) Engine Mount To Engine Mount Bracket Bolts
    GM310259Courtesy of GENERAL MOTORS CORP.
  1. From under the hood, remove the engine mount to engine mount bracket bolts. (right side shown, left side similar).
  2. Fig 2: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS CORP.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the oil pan skid plate bolts and plate.
  5. CAUTION: When raising or supporting the engine for any reason, do not use a jack under the oil pan, any sheet metal, or the crankshaft pulley. Lifting the engine in an unapproved manner may cause component damage.
    Fig 3: View Of Square Tab At Rear Of Engine Block
    GM374320Courtesy of GENERAL MOTORS CORP.
  6. Using an adjustable jack on the square tab at the rear of the engine block, raise the engine.
  7. Fig 4: View Of Right Side (Left Side Similar) Engine Mount Bolts
    GM310267Courtesy of GENERAL MOTORS CORP.
  8. Remove the engine mount bolts. (right side shown, left side similar).
  9. Remove the engine mount.
  10. Fig 5: View Of Right Side (Left Side Similar) Engine Mount Side Bracket & Bolts
    GM310262Courtesy of GENERAL MOTORS CORP.
  11. If equipped and necessary, remove the engine mount side bracket bolts and bracket. (right side shown, left side similar).
  12. Fig 6: View Of Left Engine Mount Bracket Bolts
    GM781984Courtesy of GENERAL MOTORS CORP.
  13. Remove the engine mount bracket bolts.
  14. Remove the engine mount bracket.