Convertible Top Motor: Service and Repair

Folding Top Pump with Motor Replacement

Removal Procedure





Warning:
Refer to Eye Protection Warning Eye Protection Warning.


Warning:
Refer to Folding Top Hydraulic Pressure Warning Folding Top Hydraulic Pressure Warning.


Warning:
Refer to Servicing Electrical Components Warning Servicing Electrical Components Warning.


1. Place the folding top with the #1 and #5 bow in the up position.

2. Folding top will bleed down pressure after approximately four minutes of non use.

3. Open the rear compartment.

4. Disconnect the battery. Refer to Battery Negative Cable Disconnection and Connection (LS7 or LS9) Battery Negative Cable Disconnection and ConnectionBattery Negative Cable Disconnection and Connection (LS3) Battery Negative Cable Disconnection and Connection.

5. Place a protective covering over the rear compartment interior and the adjacent body panels.

6. Remove the rear compartment radio rear speaker. Refer to Radio Rear Speaker Replacement (Coupe) Radio Rear Speaker Replacement (Coupe)Radio Rear Speaker Replacement (Convertible) Radio Rear Speaker Replacement (Convertible).

7. Remove the rear compartment rear center trim panel and carpet.

8. Locate the hydraulic pump beneath the carpet in the storage compartment on the passenger side of the rear compartment behind the passenger seat.

9. Support the rear compartment lid.





10. Remove the electrical connector (1) from the hydraulic pump bracket.





11. Remove the 3 electrical connectors (1) to the hydraulic pump





12. Remove the nuts (1) from the hydraulic pump bracket.

13. Lift the pump up and out of the storage compartment and set the pump on the protective covering.





14. Remove the reservoir filler plug (1).





15. Remove the bolts (1) from the pump manifold plate.

16. Disengage the cylinder hoses by pulling straight up on the hoses.





17. Carefully lift up on the manifold plate (1).





18. Remove the hoses by pulling the hoses straight up from the pump. Use a clean shop towel to control any hydraulic fluid leakage.

19. Remove the hydraulic pump from the vehicle.





20. Remove the O-ring (1) from each hose.

Installation Procedure





1. Install a new O-ring (1) on each cylinder hose.





2. Align the manifold plate bolt holes to the holes on the new pump. This will ensure that the cylinder hoses are placed in the correct port.

3. Align the cylinder hoses into each port and push down until the hoses are seated properly in the hydraulic pump manifold.





4. Install the manifold plate bolts (1). Do NOT tighten.





Caution:
Refer to Fastener Caution Fastener Caution.

5. Push down on the manifold plate (1) and verify that all of the cylinder hoses are seated properly.

Tighten the bolts to 10 Nm (89 lb in)





6. Install the reservoir filler plug (1).





7. Position the hydraulic pump to the mounting location.

8. Apply Loctite(R) Blue, GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.

9. Install the nuts (1) to the hydraulic pump bracket.

Tighten the nuts to 18 Nm (13 lb ft).





10. Install the 3 electrical connectors (1) to the hydraulic pump bracket (2).

11. Connect the battery. Refer to Battery Negative Cable Disconnection and Connection (LS7 or LS9) Battery Negative Cable Disconnection and ConnectionBattery Negative Cable Disconnection and Connection (LS3) Battery Negative Cable Disconnection and Connection.

12. Inspect the hydraulic system fluid level and add fluid as needed. Refer to Folding Top Fluid Addition Service and Repair.

13. Bleed the hydraulic system. Refer to Folding Top Hydraulic System Bleeding Procedures.

14. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation Power Folding Top.

15. Install the rear compartment rear center trim panel and carpet.

16. Install the rear compartment radio rear speaker. Refer to Radio Rear Speaker Replacement (Coupe) Radio Rear Speaker Replacement (Coupe)Radio Rear Speaker Replacement (Convertible) Radio Rear Speaker Replacement (Convertible).

17. Remove all protective covering from the rear compartment interior and the adjacent body panels.

18. Remove the rear compartment lid support.

19. Close the rear compartment.