Vehicles after change point in 1982
REMOVING AND INSTALLING
OIL PUMP
Pull out oil dipstick.
Remove oil pan - see 11 13 000.
Unscrew nut (1) and take off sprocket.
Unscrew bolts (2).


Siehe auch 11 13 000
M8811016 - click to zoom
 
Unscrew holder (3) and remove oil pump.
Installation:
Mount holder without tension.

M8811017 - click to zoom
 
Installation:
Slide on sprocket with the oil pump mounted.
Tightening torque* of nut.


Siehe auch * See Specifications
M8811018 - click to zoom
 
Installation:
Adjust tightness of chain with shims (4 and 5) in such a manner that chain can
be pressed in with light thumb pressure.
Shims (4 and 5) must have the same thickness.

M8811019 - click to zoom
 
Checking and Servicing:
Check whether the oil pump moves easily by turning the drive shaft.

M8811020 - click to zoom
 
Disassemble the oil pump and clean oil filter screen (5).

M8811021 - click to zoom
 
Check oil pump for wear:
- scoring in case
- worn rotors

M8811022 - click to zoom
 
The pressure control valve is located in the main oil bore and regulates the
engine oil pressure* - see 11 40 000.
Check that piston (6) moves easily.
Check length of spring (7) - 68 mm (2.677").


Siehe auch 11 40 000
Siehe auch * See Specifications
M8811023 - click to zoom
 
The 8 bar (114 psi) pressure safety valve regulates the oil pressure in front of
the oil filter and prevents oil filter leakage.
Check piston seat (8).
Check length of spring (9) = 44 mm ± 0.4 mm (1.732 ± 0.016").

M8811024 - click to zoom
 
Installation:
Press in spring (9) and washer (10) with a wrench socket and install circlip (11).

M8811025 - click to zoom