Transmission Support Crossmember

Transmission Support Crossmember





Removal

1. WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to Fire Suppression System.

With the vehicle NEUTRAL, position it on a hoist.
2. Disconnect the RH heated oxygen sensor (HO2S) sensor connector.





3. Disconnect the RH catalyst monitor connector.





4. Remove the bolts from the RH exhaust flange.





5. Remove the bolts and the RH catalytic converter.





6. Disconnect the LH HO2S connector.





7. Disconnect the LH catalyst monitor connector.





8. Remove the bolts from the LH exhaust flange.





9. Remove the bolts and the LH catalytic converter.





10. Remove the rear transmission insulator nuts.





11. Install a suitable transmission jack.
12. Remove the RH side crossmember bolts.





13. Remove the LH side crossmember bolts.





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





15. 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.

Lower the RH side of the crossmember.





16. 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.

Lower the LH side of the crossmember and remove the crossmember.





Installation
1. Position the LH side of the crossmember into the crossmember pocket and loosely install the bolts.





2. Position the RH side of the crossmember into the crossmember pocket and loosely install the bolts.





3. Tighten the LH crossmember bolts.
^ Tighten to 70 Nm (52 lb-ft).





4. Tighten the RH crossmember bolts.
^ Tighten to 70 Nm (52 lb-ft).





5. Install the parking brake cable bracket.
^ Tighten to 55 Nm (41 lb-ft).





6. Lower the transmission onto the crossmember and install the rear transmission insulator nuts.
^ Tighten to 30 Nm (22 lb-ft).





7. Remove the transmission jack.
8. Install a new gasket and position the RH catalytic converter assembly in place. Loosely install the bolts. Do not tighten the bolts at this time.





9. Install the RH exhaust flange nuts.
^ Tighten to 48 Nm (35 lb-ft).





10. Tighten the RH exhaust bolts.
^ Tighten to 40 Nm (30 lb-ft).





11. Connect the RH HO2S connector.





12. Connect the RH catalyst monitor connector.





13. Install a new gasket and position the LH catalytic converter assembly in place. Loosely install the bolts. Do not tighten the bolts at this time.





14. Install the LH exhaust flange nuts.
^ Tighten to 48 Nm (35 lb-ft).





15. Tighten the LH exhaust bolts.
^ Tighten to 40 Nm (30 lb-ft).





16. Connect the LH HO2S connector.





17. Connect the LH catalyst monitor connector.





18. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System.

Lower the vehicle.