Extension Housing Gasket

Extension Housing Gasket





Material Item

Removal
1. With the vehicle in NEUTRAL, position it on a hoist.





2. NOTE: The output shaft and driveshaft are a balanced assembly.

Mark the driveshaft flange and the rear pinion flange for correct alignment during assembly.





3. Remove the four driveshaft bolts.





4. Slide the drive shaft back enough to index-mark the driveshaft, output shaft and the extension housing. Separate the driveshaft from the transmission.





5. Remove the rear transmission insulator nuts.





6. Disconnect the RH HO2S sensor connector.





7. Disconnect the RH catalyst monitor connector.





8. Remove the bolts from the RH exhaust flange.





9. Loosen the exhaust clamp and remove the RH exhaust pipe.





10. Disconnect the LH HO2S sensor connector.





11. Disconnect the LH catalyst monitor connector.





12. Remove the bolts from the LH exhaust flange.





13. Loosen the exhaust clamp and remove the LH exhaust pipe.





14. Install a suitable transmission jack.
15. Remove the RH side crossmember bolts.





16. Disconnect the LH side crossmember.
1 Loosen but do not remove the LH side crossmember bolts.
2 Remove the LH side crossmember bolt.





17. Remove the bolts and remove the parking brake cable bracket and position aside.





18. NOTE: The crossmember is a press fit in the crossmember pocket, it may be necessary to pry the crossmember out of the crossmember pocket. Be careful not to damage the crossmember. Only the RH side of the crossmember will need to be lowered in order to gain access to the rear extension housing.

Lower the RH side of the crossmember.





19. Remove the rear transmission insulator bolts.





20. Remove the LH and RH catalyst monitor connector retainers.





21. Remove the rear extension housing bolts and the housing.





22. Remove the extension housing gasket.

Installation





1. Install a new extension housing gasket.





2. Install the extension housing and the bolts.





3. Install the LH and RH catalyst monitor connector retainers.





4. Install the rear transmission insulator and bolts.





5. Position the RH crossmember and install the bolts.





6. Install the LH side crossmember bolt.





7. Install the parking brake cable bracket.





8. Lower the transmission onto the crossmember and install the rear transmission insulator nuts.
9. Remove the transmission jack.





10. Position the RH catalytic converter assembly in place. Do not tighten the clamp at this time.





11. Install the RH exhaust flange nuts.





12. Tighten the RH exhaust clamp.





13. Connect the RH HO2S sensor connector.





14. Connect the RH catalyst monitor connector.





15. Position the LH catalytic converter assembly in place. Do not tighten the clamps at this time.





16. Install the LH exhaust flange nuts.





17. Tighten the LH exhaust clamp.





18. Connect the LH HO2S sensor connector.





19. Connect the LH catalyst monitor connector.





20. NOTE: The output shaft and the driveshaft are a balanced assembly.

Install the driveshaft.
^ Align the index marks and position the driveshaft on the transmission.
^ Install the driveshaft.





21. NOTE: To maintain driveshaft balance, install the driveshaft yoke and flange in the original position that was marked during removal.

Install the four retaining bolts.
22. Lower the vehicle.
23. Check the level of the transmission fluid, add clean automatic transmission fluid as necessary.