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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> On-Vehicle Repair Instructions >> Oil Pan Replacement - Upper >> Removal Procedure

Removal Procedure

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  1. Remove the oil level indicator.
    Fig 1: Oil Level Indicator Tube
    GM1602062Courtesy of GENERAL MOTORS CORP.
  2. Remove the oil level indicator tube bolt from the indicator tube bracket.
  3. If vehicle is a 4-wheel drive (4WD), remove the front differential carrier. Refer to Differential Carrier Assembly Replacement .
  4. If vehicle is a 2-wheel drive (2WD), disconnect the relay rod from the pitman arm and idler arm. Refer to Relay Rod Replacement .
  5. Remove the lower oil pan. Refer to Oil Pan Replacement - Lower .
  6. Remove the engine flywheel. Refer to Engine Flywheel Replacement (Automatic Transmission)  or Engine Flywheel Replacement (Manual Transmission) .
  7. Remove the battery cable bracket bolts.
    Fig 2: View Of Battery Cable Bracket Bolts At Lower Crankcase
    GM673564Courtesy of GENERAL MOTORS CORP.
  8. Remove the battery cable bracket nut.
    Fig 3: View Of Battery Cable Bracket Nut
    GM673568Courtesy of GENERAL MOTORS CORP.
  9. Remove the two flywheel housing to upper oil pan bolts.
    Fig 4: View Of Flywheel Housing To Upper Oil Pan Bolts
    GM1334849Courtesy of GENERAL MOTORS CORP.
  10. Remove the upper oil pan bolts and any brackets. Mark the bolt location of the bracket.
  11. Separate the upper oil pan from the engine block using J 37228  . See Special Tools .
  12. Remove the upper oil pan. The oil level indicator tube needs to be removed while lowering the upper oil pan.
    Fig 5: View Of Upper Oil Pan
    GM1334851Courtesy of GENERAL MOTORS CORP.
  13. If required, clean and inspect the upper oil pan. Refer to Oil Pan Cleaning and Inspection - Upper .
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