LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle)) >> Repair Instructions >> Crankshaft Rear Oil Seal and Housing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Use the J 44227 to install the crankshaft rear oil seal.
  2. Remove the J 44227.
  3. Apply a 3 mm (0.12 in) bead of GM P/N 12378521 to the rear oil seal housing (1).
  4. Fig 1: Rear Oil Seal Housing
    G01706355Courtesy of GENERAL MOTORS CORP.
  5. Install the J 44219 guide pins into the block.
    IMPORTANT:
    • When installing a new seal, use the plastic installation sleeve supplied with the new seal.
    • The seal installation sleeve should come off after the seal is installed. Disregard the sleeve.
  6. Fig 2: Installing J 44219 Guide Pins Into Block
    G01706356Courtesy of GENERAL MOTORS CORP.
  7. Slide the crankshaft rear oil seal housing over the alignment pins J 44219 and crankshaft.
  8. Install the crankshaft rear oil seal housing bolts, except the two in place of the guide pins.
  9. Remove the J 44219 guide pins.
  10. Install the remaining two crankshaft rear oil seal housing bolts.

    Tighten 

    Tighten all the oil seal housing bolts to 10 N.m (89 lb in).

  11. Wipe off any excess material from the bottom of the oil pan sealing area (1).
  12. Fig 3: Bottom Of Oil Pan Sealing Area
    G01706357Courtesy of GENERAL MOTORS CORP.
  13. Install the fly wheel and secure with the bolts.

    Tighten 

    Tighten the fly wheel bolts in sequence to 25 N.m (18 lb ft).

  14. Fig 4: Installing Fly Wheel
    G01706358Courtesy of GENERAL MOTORS CORP.
  15. Use the J 36660-A to tighten the bolts an additional 50 degrees.
  16. Install the transmission. Refer to REMOVAL & INSTALLATION - A/T in Automatic Transmission.