GM Service Manual Online
For 1990-2009 cars only

Object Number: 72489  Size: SH

Important: Excessive force can crush the piston oil nozzle. Do not damage the piston oil nozzle bore. Do not damage the crankshaft bearing bore.

Using a brass drive pin, install the piston oil nozzles.

    • Use a brass drive pin that has the same OD as the piston oil nozzles.
    • Gently tap the piston oil nozzles into their bores.
    • Ensure the piston oil nozzles are fully seated in their bores.