2007 Buick Rendezvous Piston

You need to remove the bolt retaining the piston oil nozzle to the engine block. Then you can remove the piston oil nozzle.

You need to clean the piston oil nozzle with cleaning solvent and dry the nozzle with compressed air. Then you can inspect the piston oil nozzle for cracks or damage, plugged oil passages, bent, misaligned, or cracked oil nozzle tubes, and bent or broken clips.

After positioning the piston oil nozzle into the engine block, you can install the bolt retaining the piston oil nozzle to the engine block. You need to tighten the bolt to 10 N.m.