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GMC-John
07-25-2020, 19:41
Has anyone heard of the fuel filter container actually breaking? My mechanic said that he suspect that it is broken. My idea is that the three hoses that connect to the filter housing are leaking. Either way I have a river of diesel fuel running down to the starter and below. Anybody ever replace a broken filter housing?

DmaxMaverick
07-25-2020, 20:32
They break, usually around the heater element.

However, if you have fuel running down the passenger/right side, it may not be the fuel manager. The valley usually drains on the driver/left side, but can make a mess on either side if it's enough volume of fuel or the drain is plugged. More likely an injector return line or termination cap if the starter is getting wet with fuel.

56pan
07-26-2020, 06:06
If it's a '93 or earlier, it could be the IP throttle shaft seal. Not usually a heavy leak like you described though.

Yukon6.2
07-26-2020, 09:14
i had a soft plug in my rectangle filter housing start to leak on my 90's it was on the firewall above the starter,threaded the hole and installed a plug,been holding since.