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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1497 (Engine Mechanical - 4.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the A/C compressor bottom bolts (4) and loosen the top bolts (2, 3).
  2. Remove the oil level indicator and tube. Refer to OIL LEVEL INDICATOR AND TUBE REPLACEMENT   .
  3. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  4. Remove left and right front tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  in Tires and Wheels.
    Fig 1: Removing A/C Compressor Bottom Bolts And Loosening Top Bolts
    G02128584Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine protection shield mounting bolts.
  6. Remove the engine protection shield.
    Fig 2: Removing Engine Protection Shield
    G02128585Courtesy of GENERAL MOTORS CORP.
  7. Remove the steering gear crossmember, front.
  8. Remove the left and right wheel drive shaft. Refer to AXLE SHAFTS .
  9. Remove the front drive axle clutch fork assembly. Refer to INTERMEDIATE SHAFT BEARING ASSEMBLY REPLACEMENT - FRONT DRIVE AXLE (S4WD)  or  INTERMEDIATE SHAFT BEARING ASSEMBLY REPLACEMENT - FRONT DRIVE AXLE (A4WD)  in Front Drive Axle.
  10. Disconnect the prop shaft from the front axle pinion yoke. Refer to PROPELLER SHAFT REPLACEMENT - FRONT  in Prop Shaft.
  11. Remove the oil pan drain plug and drain the oil.
    Fig 3: Removing Steering Gear Crossmember
    G02128586Courtesy of GENERAL MOTORS CORP.
  12. Unclip the transmission cooler lines from the engine block.
  13. Remove the front differential bolts and set aside the front differential.
  14. Remove 4 transmission bell housing bolts that are attached to the oil pan.
  15. Remove the remaining oil pan bolts.
  16. Place 2 oil pan bolts in the jack screws on the oil pan and tighten evenly to release the oil pan from the engine.
  17. Clean and inspect the oil pan. Refer to Oil Pan Cleaning and Inspection .
    Fig 4: Unclipping Transmission Cooler Lines From Engine Block
    G02128587Courtesy of GENERAL MOTORS CORP.
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