Oil Pump - Oil Leak
Section2
Group
21
No.
0023
Year
99
Month
10
850/S70/V70/C70
1992-1998
Vehicles Involved: Engines B520X, B523X, B525X
Oil leakage via oil pump retaining screws
Background
Oil leakage may occur at one or more of the oil pump retaining screws. This service bulletin describes how to correct this condition
Model Factory Chassis No.
S70 1 - 565000
S70 2 - 566000
V70 2 - 540000
S70 3 - 573242
V70 3 - 555616
C70 Coupe J - 006750
C70 Cabriolet J - 001100
Material
Description Quantity Part No.
Copper washer 4 11991
Special Tool
Counterhold 999 5433
Oil leakage via oil pump retaining screws
Special tools: 999 5433
1
Removal
Remove
- expansion tank, put it on engine
- front timing-gear cover,
- auxiliary belt.
- front RH wheel,
Loosen wheel arch liner and move aside.
Remove
- protective plate at vibration damper,
- vibration damper, use counterhold 999 5433.
2
Installing copper washer
Note!
Do not remove all the screws at the same time. This could cause additional leakage.
Remove screw (1), install a copper washer and install the screw again.
Torque setting 10 Nm (7 ft.lb).
Repeat for each screw, one at a time.
3
Installation
Install
- vibration damper.
Tighten centre nut to 180 Nm (133 ft.lb). Use counterhold 999 5433.
Remove counterhold and tighten screws to 25 Nm (18.5 ft.lb).
Install
- protective plate at vibration damper,
- wheel arch liner,
- front timing-gear casing,
- auxiliary belt,
- expansion tank.
WARRANTY STATEMENT: Claims may be submitted under the New Car Warranty when there is a documented customer complaint, using claim type 01.
Operation No. Labor description Time allowance
22292-2 Installing copper washers on oil pump 1.8 hr