Sinister Coolant filter?'s - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 08-12-2011, 10:23 AM Thread Starter
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Sinister Coolant filter?'s

I bought a Sinster (MKM Customs) coolant filter kit about 4 months ago. I just changed the filter for the first time. The truck doesn't get driven that much. I noticed about a month ago the ball valve that goes to the coolant tank was leaking. It is leaking out of the valve knob its self, not the threads to the block. I changed the filter and used both valves to shut the coolant flow off, put a new filter on and opened the valves. Drove the truck the next couple days and now both valves are leaking. Has any one else had this issue and if so how did you fix it? Are there better valves I could put on? Any help would be great. Thanks for the help.

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post #2 of 5 Old 08-12-2011, 10:36 AM
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Contact wherever you bought it from. This is not the first time this issue has been seen.
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post #3 of 5 Old 08-13-2011, 02:33 PM
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Another reason not to use valves in your kit.

They really aren't all that neccessary.

I didn't want to use them for reliability and also its a much cleaner factory look without them.

If I were you I would just remove them and screw the hoses into the base directly.

2006 F350 Lariat, 6.0 PSD CC LB 4X4. 100k miles.
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post #4 of 5 Old 08-16-2011, 08:02 PM
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So, you don't necessarily need the valves?

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post #5 of 5 Old 08-16-2011, 08:11 PM
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No you do not need the ball valves. It just makes it easier to change with little coolant loss.
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