300E (124.030) L6-3.0L (103.983) (1986)
![background image](/mercedesbenz/300e_(124.030)/l6-3.0l_(103.983)/Page-1405003.png)
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.