POWER STEERING OIL PUMP ASSEMBLY
POWER STEERING37-39
REASSEMBLY SERVICE POINTS
>>A<< O-RING INSTALLATION
AC100170AB
Suction connector Plug assembly
Terminal assembly Side plate
1 2
3
4 5
No.ID × Width mm
115.8 × 2.4
221.0 × 1.9
314.8 × 2.4
43.8 × 1.9
514.8 × 1.9
>>B<< OIL SEAL INST ALLA TION
AC000752
MB990938
AB
MB991203
Use following spe c ia l too l to inst all the oil seal.
•Bar (Snap-in type) (MB9909 38)
•Oil Seal and Bearin g Inst aller (MB9912 03)
>>C<< CAM RING INSTALLA TION
CAUTION
Be sure to install the cam ring in the correct
direction as shown.
AC100171AB
Side plate side
Pump cover side
Install the cam ring as shown in the illustration.
INSPECTION
M1372005500200
•Check the flow control valve of the pump body for
clogging.
•Check the pulley and shaft for wear or damage.
•Check the rotor and vane groove for "stepped"
wear.
•Check the contact surface of cam ring and vanes
for "stepped" wear.
•Check the vanes for damage.
