crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0
crwdns2918538:0crwdne2918538:0

Mercedes W123 Diesel Fuel Filter, Secondary Replacement

crwdns2936025:07crwdne2936025:0 —
crwdns2916944:0crwdne2916944:0

crwdns2935477:0crwdne2935477:0:

crwdns2935483:0crwdne2935483:0

Prime the system using the primer pump until the fuel pressure release valve opens. You'll be able to tell by the squeaking noise from the injection pump.

Now is also a good time to replace the clear plastic primary fuel filter. If you'd like to do this, and need guidance, see the primary fuel filter replacement guide.

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0