Service Procedure

SERVICE PROCEDURE

CADILLAC

1. Position vehicle on hoist and turn steering wheel to left (will allow for easier access to EBTCM fasteners)

2. Reposition and/or remove radiator shroud.

3. Disconnect negative battery cable (if equipped with memory seat & mirrors, select memory setting on drivers door that corresponds with number on back of key fob. Also record radio settings prior to disconnecting cable).

NOTE:
PCM, IPC and PZM Diagnostic Trouble Codes will be set. These codes should be cleared when the battery is re-connected.

4. Remove air cleaner.

5. Disconnect EBTCM connector.

6. Hoist vehicle.

7. Remove lower radiator air deflector (3 bolts).

8. Remove left lower close-out panel push pins (2) in wheel well liner.

9. Loosen (2) rear EBTCM module insulator mounting nuts.

10. Loosen front EBTCM module insulator nut. Lift module and remove insulator to gain access to front mount stud.

11. Raise EBTCM module from bracket.

12. Remove EBTCM module front mounting stud (torx 30).

13. Remove lower EBTCM module mounting bolts (2) (torx 25).

14. Lower vehicle.

15. Remove upper EBTCM module mounting bolts (2).

CAUTION:
Clean module prior to removal. Do not pry or twist EBTCM. Damage may occur to sealing surface of brake pressure modulator valve (BPMV) or internal pin connectors.

16. Remove EBTCM module from vehicle.

NOTE:
Be sure to follow proper procedures for Electrical Connector cleaning prior to installing the new EBTCM module. Clean BPMV gasket surface with alcohol.

17. Install new EBTCM module in vehicle.

18. Install upper EBTCM module bolts (2) (hand tighten - bolts to be torqued in step 26).

19. Raise vehicle.

20. Install front mounting stud and torque to 14 Nm (10 lb-ft.).

21. Install lower EBTCM module bolts (2), torque to 4.5 Nm (40 lb-in.).

22. Install front insulator, lower EBTCM module into bracket, and install insulator nut. Torque insulator nuts (3) to 10 Nm (7.5 lb-ft.).

23 Install lower close-out panel push pins (2) at the wheel well liner.

24. Install lower radiator air deflector (3 bolts).

25. Lower vehicle.

26. Torque upper EBTCM module bolts (2) to 4.5 Nm (40 lb.-in.).

27. Install EBTCM connector.

28. Install air cleaner.

29. Connect negative battery cable. Clear Diagnostic Trouble Codes if equipped, reprogram memory seat & mirrors by pressing set button and button # 1 or #2 on drivers door. Selection must correspond to number on back of key fob. Ensure radio station are reset to stations previously recorded. Set clock to correct time.

30. Install radiator shroud.

31. Re-calibrate MAGNASTEERO. Refer to Section 8A-45-3 of the Service Manual. MAGNASTEER@ can be found under Diagnosis - Chassis.

32. Install the GM Campaign Identification Label.

BUICK

1. Disconnect negative battery cable (ensure seat & mirror are in position # 1 and radio settings are recorded prior to disconnecting cable).

NOTE:
PCM, IPC and PZM Diagnostic Trouble Codes will be set. These codes should be cleared when the battery is re-connected.

2. Remove air cleaner door.

3. Disconnect EBCM/EBTCM connector.

4. Remove front bracket to frame rail bolt and front bracket to EBCM/EBTCM bolt. Remove front mounting bracket.

5. Remove EBCM/EBTCM module mounting bolts (4) (torx 25).

CAUTION:
Clean module prior to removal. Do not pry or twist EBTCM. Damage may occur to sealing surface of brake pressure modulator valve (BPMV) or internal pin connectors.

6. Remove EBCM/EBTCM module from vehicle.

NOTE:
Be sure to follow proper procedures for Electrical Connector cleaning prior to installing the new EBCM/EBTCM module. Service Bulletin # 73-50-21 (estimated release date: June 1997), contains additional connector information. Clean BPMV gasket surface with alcohol.

7. Install new EBCM/EBTCM module in vehicle. Install front mounting bracket. Install front bracket to frame rail bolt and front bracket to EBCM/EBTCM bolt front mounting stud and torque to 14 Nm (10 lb-ft.).

8. Torque EBCM/EBTCM module bolts (4) to 4.5 Nm (40 lb-in.).

9. Install EBCM/EBTCM connector.

10. Install air cleaner cover.

11. Connect negative battery cable. Clear Diagnostic Trouble Codes, ensure seat & mirror are in position # 1 and radio/clock are properly set.

12. Re-calibrate MAGNASTEER@ (if equipped). Refer to Steering Controls Cell 45 in Electrical Diagnosis. MAGNASTEERS can be found under Diagnosis - Chassis.

13. Install the GM Campaign Identification Label.