GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the harness connector from the oil pressure switch by releasing the locking tab.

  2. Object Number: 27615  Size: SH
  3. Remove the switch (1).

Installation Procedure

  1. Install the fuel manager/filter. Refer to Fuel Feed Pipe and Return Pipe Purging .

  2. Object Number: 27615  Size: SH
  3. Install the switch (1).
  4. Install the harness connector.