2000 Dynasty Coolant Filter

[Dr4Film]

Originally Posted by barmcd

Richard,

Speedco didn't take responsibility for damaging the valve?

Nope! They basically ignored the fact that it broke when they attempted to turn the front most valve end. Remember that the front end of the valve is the easiest to reach versus the rear end. All they conveyed to me is they would not be able to install the coolant filter because they could not turn the coolant valve off. In both cases I took the coolant filter with me to have installed somewhere else. It wasn't until later that I discovered drops of coolant under my engine.

The Cummins Tech in Coburg OR was the first one to fully explain the situation to me but also specifically how to prevent it from happening in the future. I told him that I was tired and broke from replacing coolant shut-off valves.

I don't see why the inside of that valve needs to be plastic. If the inside was made out of a different stronger material with the proper o-rings most likely it would never break again.

After all Cummins had made a design change with the older ISC engines when they came out with a SS version for the coolant shut-off valve.

Dr4Film ----- Richard

[barmcd]

I'll make it a habit to change the coolant filter when I change the oil from now on. My valve isn't broken--both handles track the same when you turn the easy to reach one, but there is a very small (less than 2" in diameter) damp spot under the filter. I'm actually wondering if it isn't just coolant left over from the change. I split a little when I took the filter off.