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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Engine Mechanical - 4.0L (On-Vehicle)) >> Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement - Left >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the valve stem and the inner diameter of the new seal with clean engine oil.

    Important:  Install a seal protector over the valve stem prior to installing the valve stem seal.

  2. Using a twisting pushing motion install the NEW valve stem seal using the J 38820. 
  3. Install the valve spring retainer and valve spring.
    Fig 1: Installing Valve Stem Seal
    G01819505Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to VALVE SPRINGS CAN BE TIGHTLY COMPRESSED CAUTION .
  4. Swing the arm over the valve spring retainer and tighten the swivel nut of the J 44211 (2)  down only enough to allow access for installation of the valve locks.
  5. Position the valve locks to the valve stem retainer groove using the J 43059. 
  6. Remove the swivel nut and arm of the J 44211 (2). 
  7. Install the arm and swivel nut of the J 44211  (2) over the stud of any other valves being serviced and repeat removal steps 12 through 17 and installation steps 1 through 7.
  8. Relieve the air pressure to the cylinder being serviced.
    Fig 2: Identifying J 39313 & J 44211
    G01819506Courtesy of GENERAL MOTORS CORP.
  9. Remove the J 39313  (1) from the spark plug hole.
  10. Remove the base plate of the J 44211  (2)
  11. Install the spark plug.
  12. Repeat removal steps 7 through 17 and installation steps 1 through 11 on any other cylinders being serviced.
  13. Install the left camshafts. Refer to Camshaft Replacement - Left .
  14. Raise and support the vehicle.
  15. Remove the J 44214 (1). 
    16. Fig 3: Removing J 44214
    G01819507Courtesy of GENERAL MOTORS CORP.
  16. Install the torque converter cover. Refer to TRANSAXLE (4T80-E) .
    CAUTION: Refer toFASTENER NOTICE .
  17. Install the oil pan to transaxle brace.

    Tighten 

    Tighten the oil pan to transaxle brace bolts to 50 N.m (37 ft lbs).

    18. Fig 4: Installing Brace Between Engine Oil Pan & Transaxle Case
    G01819508Courtesy of GENERAL MOTORS CORP.
  18. Lower the vehicle.
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