ISL 400 Water pump

[Wayne R]

On my trip south I noticed my engine temps rising above normal I pulled over and found the radiator low on antifreeze. I ended up pulling over several times to add water. After getting to my destination I found the water pump leaking from the weep hole.

Replacing the pump looks relatively easy. Has anyone else had an ISL pump go bad. I am at 68,000 miles.

[Old Scout]

Nope, but hope you added only distilled water--if you replace the pump, probably need to flush system and fill with new coolant anyway......

[wolfe10]

AND, the proper coolant.

Either "low silicate for diesel with added SCA (Supplemental Coolant Additive) or one of the new-generation OAT-based coolants.

The two are NOT compatible, so be sure to flush (including dash heater core) and go back with an acceptable one.

Brett
2003 Alpine 38FDDS

[Wayne R]

That's the plan replace the pump and flush system and fill with new Oat coolant.

[Terry W]

It sounds like you might be doing this yourself, if so please keep us posted on how it goes. I'm just curious and I figure if I know how to do it I'll never have to.

FWIW, I changed my alternator and it was a piece of cake. Some of the things back there look a lot harder than they are.

Terry

[wolfe10]

Here is a step by step for changing coolant:

http://forum.dieselrvclub.org/index....ic,6653.0.html

Brett
2003 Alpine 38FDDS

[Wayne R]

Thanks. I've done it before.