Oil Pan: Service and Repair

GM updated the oil pan r/r procedure in TSB 03-06-01-027



ENGINE OIL PAN

Oil Pan:

Fig. 21 Oil Pan Bolt Tightening Sequence:

REMOVE OR DISCONNECT
1. Engine and place on stand. Service and Repair

NOTE: For On-Vehicle Service, remove the transaxle and not the engine. Procedures

2. Drain engine oil.
3. Remove thirteen oil pan bolts and remove pan.
4. Gasket is reusable unless damaged. Do not remove gasket from oil pan groove unless replacement is required.


INSTALL OR CONNECT
1. Install new oil pan seal if required by starting seal into pan groove and working seal into groove in both directions. Once seal is exposed to oil it will expand and no longer stay in groove without wrinkles. If this condition exists, replace with new seal.

2. Position oil pan to crankcase.
3. Thirteen oil pan bolts and tighten to 10 Nm (89 lbs in) in sequence.
4. Install engine and/or transaxle assembly in chassis and refill engine oil.