M35 Water pump, radiator questions

From: Kirk Thompson (kpt@lanl.gov)
Date: Tue Aug 31 2004 - 07:08:15 PDT


Hi all.

I need some advice, etc. on a few things.

1970 Kaiser Jeep M109A3 shop van (M45 series?) with a White LD-465-1C
non-turbo.

Here's what happened:

Driving the [newly aquired] M109A3 back home from Las Cruces and it started
to get hot. Pulled over, anti-freeze spewing. found out the bottom hose had
a small hole and it looks like the high pressure steam had done a little
"rubber mining" because of the way there was nice slot carved out of the hose.

I went back into town and found a hose, replaced it, filled the radiator
and found out the bottom of the radiator had blown out.

Now, in my mind, three things could cause the overheating: dead pump, bad
thermostat, non-pressurized cooling system (hole in hose and/or bad
radiator cap).

Since I have to replace the radiator, I thought it would be prudent [and
proactive] to replace the water pump as well since I would have access to it.

I have the water pump and radiator from a LDT-465-1D and want to know if it
would fit. Are the water pumps & radiators standardized across all the M35
series engines?

Questions:
Cross-engine Radiator and water pump compatibility.
How do I determine if the pump failed?
What would cause this in the first place?

Any thing else that I might have missed?

Thnx!

-K



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