GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 234451  Size: SH
  1. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement in Body and Accessories.
  2. Remove the air cleaner assembly and air intake duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-6.5L.
  3. Remove the surge tank from the vehicle. Refer to Surge Tank (Diesel) Replacement in Engine Cooling.
  4. Remove the engine oil level indicator tube at the left valve rocker arm cover.

  5. Object Number: 173185  Size: SH
  6. Remove the oil engine level indicator tube O-ring from the engine oil tube.

Installation Procedure


    Object Number: 173185  Size: SH
  1. Install the new O-ring seal to the oil level indicator tube.

  2. Object Number: 234451  Size: SH
  3. Install the engine oil level indicator tube bracket to the valve rocker arm cover.
  4. Install the surge tank in the vehicle. Refer to Surge Tank (Diesel) Replacement in Engine Cooling.
  5. Install the engine cover in the vehicle. Refer to Engine Cover Replacement in Body and Accessories.
  6. Install the air cleaner assembly and air intake duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-6.5L.