From: santoken@bright.net
Date: Tue Oct 25 2005 - 20:04:33 PDT
Weep hole on the water pump, replace the pump...you're problem will be gone.
Kent
>
> From: Chris Brunner <cjbrunner@optonline.net>
> Date: Tue Oct 25, 10:36 PM
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> Subject: [MV] CUCV Coolant Leak
>
> I'm trying to resolve a coolant leak I have in my M1028. Now granted, I
> think I've fixed most of the leaks already, but this one is puzzling
> me. I started with one in the heater core. I replaced the core and now
> it seems fine. I had a puncture in the radiator. Pinched off the tube
> of the radiator and now it's fine (dry to the touch). The top radiator
> hose had issues dripping, tightened that, now that's try. Same with the
> thermostat housing and crossover pipe. Tightened them as well.
>
> Now, I'm finding coolant towards the bottom front end of the engine, by
> the harmonic balancer and I can't figure out where it's coming from.
> Besides the water pump (and associated bolts/weep holes), where else
> could the coolant be dripping from - are there any other taps that I
> could be missing? Where is the coolant sensor located?
>
> As of right now I'm leaking away coolant at a pretty good rate - about
> 1/2 a gallon over the course of a running hour, and 1 gal over the
> course of a night.
>
> I don't think it's a head gasket because I don't see any bubbling coming
> from the radiator, just a slight rise and lower in the level with the
> vibration of the engine. For the past few weeks I have been filling the
> overflow tank every morning, and it's always been sucked dry - seems
> like it's only a leak under pressure but not vacume.
>
> Any help would be greatly appreciated.
> Chris
>
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