OEM 2006 Buick Rainier Oil Pan

2006 Buick Rainier Parts Questions & Experts Answers

• Q: How to replace the oil pan on 2006 Buick Rainier?

  A: The first step to replace the Oil Pan is to create a complete Battery Cable failure by disconnecting the negative cable. Unscrew the two A/C Compressor bottom bolts and loosen the top ones (2, 3). Next remove the oil level indicator and tube, as well as the stabilizer shaft. Take out the front drive axle intermediate shaft bearing assembly, remove the front Differential, and secure it to the frame. Drain the engine oil and undo the transmission cooler lines from the engine block. Take off the 4 bolts of the transmission bell housing on Oil Pan and the other bolts of the Oil Pan. Use 2 Oil Pan bolts in the jack screws of the Oil Pan and tighten it evenly to remove it from the engine. Clean and check the Oil Pan before sealing it using a 3 mm (0.12 inch) bead of sealer gm p/n 12378521, to the block. The Oil Pan has to be installed within 10 minutes of application of the sealer. Maneuver the Oil Pan to clear the Oil Pump and screen assembly, making sure that the back of the Oil Pan is flush to the block to prevent alignment problems with the transmission. Install the Oil Pan bolt and check the alignment with the straight edge placed on the rear of the block and Oil Pan transmission mounting surface. Apply torque tighter to Oil Pan side bolts to 25 nm (18 lb ft) and end bolts 10 nm (89 lb in). Mount the four transmission bell housing bolts to the Oil Pan and tighten them to 47 nm (35 lb ft). Clip your transmission cooler lines to the engine block, then install the front drive axle intermediate shaft bearing assembly, oil drain plug, and filter. Refit the front Differential to the engine, and then the stabilizer shaft. Mount the compressor bottom bolts and tighten all 4 bolts (2, 3, 4) to 50 nm (37 lb ft). Finally, in the end install the oil level indicator and tube reconnect the negative Battery Cable, fill the engine with oil make sure, you check for oil leakage, to make sure that all sealing surfaces are sealed properly.