help with coolant flush - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 05-19-2012, 11:44 AM Thread Starter
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help with coolant flush

im wanting to put a new oil cooler and do a coolant flush. my delta is extremely high somtimes reaching 50* so i know the cooler is clogged bad. how should i flush the cooling system? thanks

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post #2 of 9 Old 05-19-2012, 12:00 PM
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PGreenSVT has a nice writeup in the tech section. Personally I would pull the starter and add Fumoto valves to both block drains, stick about 2' 3/8" hose onto the nipples after the starter is back on.
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post #3 of 9 Old 05-19-2012, 12:42 PM Thread Starter
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with a delta that bad do u think my new cooler is going to clog right away?

03 exsb silver
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post #4 of 9 Old 05-19-2012, 01:58 PM
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I wouldn't put the new oil cooler in until after the flush is complete, and you're sure the coolant system is cleaned out thoroughly.
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post #5 of 9 Old 05-19-2012, 04:58 PM
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Quote:
Originally Posted by L&B View Post
I wouldn't put the new oil cooler in until after the flush is complete, and you're sure the coolant system is cleaned out thoroughly.
I agree. Flush it really well and do a complete chemical flush.
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post #6 of 9 Old 05-19-2012, 05:34 PM
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Im in the same boat!! My deltas are high and I know I need a new oil cooler.. I purchased a ford ext warranty with my truck so its covered.. I want to do the full flush before I take it in but dont want to waste the elc coolant. Can I put ford gold back in it before I take it in then when I get it back replace it with Rotella?

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post #7 of 9 Old 05-19-2012, 07:02 PM
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Just did my second round of water only flushes. My delta was not as bad as you guys but it helped and I am getting tons of casting sand out still.


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post #8 of 9 Old 05-19-2012, 10:04 PM
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Quote:
Originally Posted by JohnO38 View Post
Im in the same boat!! My deltas are high and I know I need a new oil cooler.. I purchased a ford ext warranty with my truck so its covered.. I want to do the full flush before I take it in but dont want to waste the elc coolant. Can I put ford gold back in it before I take it in then when I get it back replace it with Rotella?
You could just flush it and have it full of water while the dealership installs the oil cooler?

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post #9 of 9 Old 05-19-2012, 11:06 PM
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Sounds like a plan!! I would hate to fill it elc and then the dealership drain it and replace it with more crap!!!!

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