Service procedures - cooling system Group 22
130
Coolant pump, reconditioning
Special tools: 999 1801, 999 2061, 999 2412, 999 2852, 999
6019, 999 6858, 999 6998, 999 6999 999 8000, 998 9876
1
Put the coolant pump in a vise with the impeller facing up-
wards.
4
2
Remove the screw in the center of the impeller.
Note: Use a screwdriver to counter the coolant pump drive.
3
Pull the impeller off of the pump shaft using a bolt size M10 x
70.
Note: Use a screwdriver to counter the coolant pump drive.
Turn the pump about-face in the vise. Remove the circlip
holding the bearing and shaft in the pump housing.
5
Remove the pump from the vise.
6
Remove the set screws (3) holding the ball bearing in the
pump housing.
7
Put the pump in a hydraulic press with the drive side of the
pump (gear wheel side) facing down.
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