853 Fuel Leak on Side in Fuel Pump

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Rambler

Member
Joined
Jul 29, 2020
Messages
20
Sorry I tried to post a picture from Google Photos, but could never get it to work. I have an 853 with the name on the fuel pump saying Zexel. On the right side of the pump there are four metal fuel injection lines coming out. Centered in the middle of the four lines on the side of the pump is a cap with a bolt in the middle. At the bottom of the cap is where the fuel is leaking out. Is there a gasket on this cap? Would I just unbolt the cap and replace the gasket? Would it be under any pressure? Thank you, Greg
 

flyerdan

Well-known member
Joined
Mar 7, 2009
Messages
983
There is both an 853 parts and service book in the manual thread, a quick look indicates that there is no parts breakdown for the pump, and the service manual only covers removal and timing it, indicating that further work needs special tooling due to the ultra precise tolerances.
You can check here at Star Diesel and see if they have a kit for it, that was the best site that came up on a zexel search.
 

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