Heater Core Flush - JeepForum.com
 
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post #1 of 6 Old 02-07-2011, 08:54 AM Thread Starter
RowJ
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Heater Core Flush

Just flushed mine after losing my heat at 130,000 miles.
Very successful with much more heat than I would have believed possible with a rag top!
How about you?

RJ

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post #2 of 6 Old 02-07-2011, 09:23 AM
ytowntj
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Flush mine annually. If you have one of those prestone "T" flush kits, make sure you toss an extra cap in the Jeep. They tend to crack and split after 2-3 yrs. Wouldnt want to be left on the side of the road by a cracked cap
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post #3 of 6 Old 02-07-2011, 10:19 AM Thread Starter
RowJ
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Thanks, that's what I'm trying to learn.... How often is flushing needed?
And does it always work or do Heater Cores sometimes fail?

Tried to do this as a Poll... but failed for some reason.

RJ
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post #4 of 6 Old 02-07-2011, 10:53 AM
stuff2c
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I did the CLR flush and it had more **** than I ever imagined it could hold. Works like a champ now... even though i rarely ever use it (FLORIDA). Just wanted to make sure it was CLEAN!

I flush the whole thing every couple years..

Thanks to the interstate highway system... most people don't see nut'n in the USA.
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post #5 of 6 Old 02-07-2011, 11:09 AM
ytowntj
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I was going the mention CLR flushing, but some on here flame for that sorta thing. It works great though

And yes, heater cores can become so clogged that flushing wont clear them. They can also leak.
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post #6 of 6 Old 02-07-2011, 11:54 AM Thread Starter
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Quote:
Originally Posted by ytowntj View Post
I was going the mention CLR flushing, but some on here flame for that sorta thing.
Sounds like major surgury!
When I installed a new water heater in my house, plumber said "open drain once a yr for about 10 min and you'll never get major build up". That's with very hard city tap water.... so I would think, with distilled H2O/coolant, regular flush should be enough.

Trick is, I suspect to follow 'ytowntj's' example and do it annually!

RJ
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