11
9
10
Removing the oil pressure relief valve
•
Unscrew plug (1) and take out spring (3).
•
Pull valve piston (4) out with a magnet and
examine it for damage.
Installing the oil pressure relief valve
•
Oil valve piston (4) lightly and install.
•
Install spring (3) and tighten screw plug (1), fitted
with new sealing ring (2).
X
Tightening torque:
Oil pressure relief valve screw plug .............. 35 Nm
Oil-pressure switch, temperature sensor for
water pump
X
Tightening torque:
Oil-pressure switch (6) ................................. 35 Nm
Temperature sensor for water pump (7).......... 9 Nm
11.18
1
2
3
4
8
Installing the pump shaft with shaft sealing ring
and slipring seal.
L
Clean the sealing ring seats.
•
•
•
•
•
Installing water pump impeller
•
X
Water pump impeller .................................... 33 Nm
5
Note:
Insert pump shaft (5) (lightly oiled) into the
housing.
Place sliding sleeve, BMW No. 11 6 722, on
pump shaft.
Insert shaft sealing ring (8) into the guide sleeve
of pressing-in tool, BMW No. 11 6 723, and
press in with the open side facing inwards.
Remove the sliding sleeve.
Press in slipring seal (9) (free of grease) with
pressing-in tool, BMW No. 11 6 724.
Install water pump impeller (11) with spacing
bushing (10). When tightening, hold the pump
shaft to prevent it from turning.
Tightening torque:
6
7
KL110071