Convertible Top Pump: Service and Repair

Convertible Top Hydraulic Pump (76.86.06)

Removal

1. Power convertible top to fully lowered position.
2. Remove battery cover and disconnect ground cable from battery terminal.
3. Remove trunk floor carpet.
4. Remove trunk front liner.
5. Remove trunk rear finisher.
6. Remove trunk RH liner.
7. Sever and remove tie strap securing pump harness multiplug to pump hose and disconnect multiplug from pump motor.







8. Disconnect harness multiplugs from raise and lower solenoid control valves.







9. Position a piece of absorbent cloth on trunk floor to protect paintwork from any fluid spillage.
10. Identify and mark position of inboard hoses relative to pump, disconnect hoses, remove and discard 'O' ring seals and fit blanks to pump and hose connectors.







11. Slacken and remove the two pump assembly securing bolts.







12. Remove pump from mounting.
- Release pump from outboard grommet locations and position pump for access to outboard hoses.
- Identify and mark position of outboard hoses relative to pump, disconnect hoses, remove and discard 'O' ring seals and fit blanks to hose and pump connectors.







13. Remove pump from trunk.
14. If pump is to be renewed:
1. Remove and retain mounting rubbers from pump.
2. Remove connector blanks.
3. Slacken and remove pump reservoir filler, plug
4. Invert pump over a suitable receptacle and allow fluid to completely drain.
5. Fit and tighten reservoir filler plug and connector blanks.

Installation

1. Ensure that convertible top is in fully lowered position.

2. CAUTION: Two fluid levels are marked on the pump reservoir body. The upper mark denotes the fluid level when the top is fully lowered and the lower mark denotes the level when the top is fully raised.

Slacken and remove the filler plug, fill the reservoir with correct fluid to the upper mark on the reservoir body and fit and tighten filler plug.







3. Fit and fully seat rubber mounting grommets to base of pump assembly.
4. Remove blanks from pump outboard connectors.
5. Remove blanks and fit new 'O' ring seals to outboard hoses.
6. Position pump on trunk platform for access to outboard connectors.
7. Noting positional marks made during removal, connect and fully tighten outboard hoses on pump.
8. Position pump on platform and fully seat mounting grommets.
9. Fit and tighten pump securing bolts.
10. Remove blanks from inboard connectors and associated hoses.
11. Fit new 'O' ring seals to inboard hoses and noting positional marks, connect and fully tighten hoses on pump connectors
12. Position pump harness correctly and connect multiplugs to solenoid control valves.
13. Connect harness multiplug to pump motor.
14. Secure pump motor harness to hoses using new tie strap.
15. Connect ground cable to battery terminal.
16. Check hydraulic system for satisfactory operation and freedom from leaks:
1. Power top to fully raised position.
2. Power top to fully lowered position.
3. Power top to fully raised position.

17. CAUTION: Two fluid levels are marked on the pump reservoir body. The upper mark denotes the fluid level when the top is fully lowered and the lower mark denotes the level when the top is fully raised.

NOTE: The convertible top hydraulic system is 'self-bleeding' and does not require further action to expel entrapped air.

Slacken and remove pump reservoir filler plug.

18. Check fluid level and top up as necessary to lower mark on reservoir.
19. Fit and tighten reservoir filler plug.
20. Remove protective cloth from trunk floor.
21. Fit RH liner to trunk.
22. Fit trunk rear finisher.
23. Fit trunk front liner.
24. Fit trunk floor carpet.
25. Fit battery cover.