mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Removal and Installation of Primary Pump|Page 3484 > < Removal and Installation of Primary Pump|Page 3482
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5

Remove spring retainer (13) and back pressure springs (14) for piston B 3.

6

Pull out piston (12).

7

Loosen fastening bolts (8) and unscrew. 

8

Take primary pump from front cover.

9

Take both pump gears (3 and 4) from pump housing.

Installation

Attention!

Check bearing bushing (5). If bearing bushing shows score marks or damage, renew primary pump.

Removal and Installation of Primary Pump|Page 3484 > < Removal and Installation of Primary Pump|Page 3482