Detroit Diesel — Replace Fuel Strainer and Filter Elements
Maintenance · Fuel strainer and fuel filter
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- A galvanized steel tank should never be used for fuel storage.
Procedure
- With engine shut down, place a container under the strainer or filter and open the drain cock.
- Support the shell, unscrew the cover nut and remove the shell and element.
- Remove and discard the element and gasket; clean the shell with fuel oil.
- Soak a new element in clean fuel oil; place it over the stud and seat it.
- Close the drain cock and fill the shell about two-thirds full with clean fuel oil.
- Install a new shell gasket and the shell and element under the cover; start the cover nut.
- Tighten the cover nut only enough to prevent fuel leakage.
- Fill the shell with fuel using primer J 5956 if required.
- Start and operate the engine and check for leaks.
Tools required
- Fuel system primer J 5956 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.