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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1023 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) >> Repair Instructions (On-Vehicle & Off Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Oil Pan Replacement - Upper >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply a 2 mm (1/8 in) wide bead of sealant GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the upper oil pan mating surfaces.
    2. Fig 1: Determining Sealant Bead Dimensions
    GM663817Courtesy of GENERAL MOTORS CORP.
  2. Apply a 2 mm (1/8 in) wide bead of sealant GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the flywheel housing sealing surface.
  3. Install the upper oil pan to the engine block. Ensure the oil level indicator tube is installed into the upper oil pan.
    Fig 2: View Of Upper Oil Pan & Bolts
    GM739051Courtesy of GENERAL MOTORS CORP.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install any brackets and the upper oil pan bolts in the sequence shown.

    Tighten:  Tighten the bolts to 20 N.m (15 lb ft).

    5. Fig 3: Upper Oil Pan Bolts Tightening Sequence
    GM663823Courtesy of GENERAL MOTORS CORP.
  5. Install the flywheel housing to upper oil pan bolts denoted by the black triangles.

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    6. Fig 4: View Of Engine Rear Cover Bolts & Flywheel Housing To Upper Oil Pan Bolts
    GM660335Courtesy of GENERAL MOTORS CORP.
  6. Install the battery cable bracket bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

    7. Fig 5: View Of Battery Cable Bracket Bolts At Lower Crankcase
    GM673564Courtesy of GENERAL MOTORS CORP.
  7. Install the battery cable bracket nut.

    Tighten:  Tighten the nut to 8 N.m (71 lb in).

    8. Fig 6: View Of Battery Cable Bracket Nut
    GM673568Courtesy of GENERAL MOTORS CORP.
  8. Install the engine flywheel. Refer to Engine Flywheel Replacement - Automatic Transmission  or Engine Flywheel Replacement - Manual Transmission .
  9. Install the lower oil pan. Refer to Oil Pan Replacement - Lower .
  10. If equipped with 4WD, install the front differential carrier. Refer to Differential Carrier Assembly Replacement in Front Drive Axle.
  11. If equipped with 2WD, Connect the relay rod to the pitman arm and idler arm. Refer to Relay Rod Replacement in Steering Linkage (Non-Rack and Pinion).
  12. Lower the vehicle.
  13. Install the oil level indicator.
  14. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement .
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