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Unread 04-03-2012, 12:05 PM   #1
chris4jeep
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Engine Coolent boiling over (red in color) & Brake Fire

Hey people. Some weird new issues have come around today with my Jeep. I ran an Erran and came out to find my jeep boiling over my engine coolent which was red ish green in color. My car has been running just over 210 maybe around the 220 230 area.

I was told it could be brake fluid mixing with my coolent? causing it to run over? and boil? and would explain the tempature of the engine. It may also explain this.....

On the way back from this erran, i had this weird metal burning smell. When I pulled into my driveway, my front right tire rotor was well above 400 degrees and was billowing steamy smoke. I sprayed it down with water and took the tire off. I found nothing wrong with the rotor and the brake still had about 85% life in it. Could this be the brake not getting fluid?

I did sink my jeep in a creek last week and my tires were fully in the sand... could there be a clog? PLEASE HELP!

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Unread 04-03-2012, 12:07 PM   #2
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I bet your rotor is warped now. Only thing I can help with.
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Unread 04-03-2012, 12:10 PM   #3
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My rear driver side brake did something similar recently. I smelled it while driving and pulled over to see the brake smoking. I had it towed to the dealer who found no issues at all. I haven't had any issues either since then and that was 3 weeks ago. People here said the caliper must have gotten stuck. Some said that a firm application of the brakes in reverse will sometimes unstick them.
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Unread 04-03-2012, 12:13 PM   #4
chris4jeep
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rotor is not warped. it seems fine. I wil try the brake thing really quick and post back in a few min. in the mean time is coolent supposed to be red i cant quite remember
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Unread 04-03-2012, 12:17 PM   #5
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Yes, the coolant is a red-orange color.
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Unread 04-03-2012, 12:19 PM   #6
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Sounds like two separate problems. The first is a cooling system problem (and I'm curious how you think brake fluid would mix with coolant). Plenty of threads on fixing cooling issues but maybe start by changing radiator cap and doing a fluid flush if no other obvious issues. The latter (unrelated) issue is a brake caliper that is seizing up on you.
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Unread 04-03-2012, 12:25 PM   #7
chris4jeep
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alright..... back from a test run..... Brake must still be seizing cause i came back from a quick drive gave it a little water and steem was coming off the rotor again..... coolant no longer boiiling over, just boiling. right now its 83 degrees here in ATL so it could be the heat making it run a little warm.....
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Unread 04-03-2012, 12:51 PM   #8
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Quote:
Originally Posted by chris4jeep View Post
I was told it could be brake fluid mixing with my coolant?
Are you asking if you were told that or telling us you were told that? Assuming the latter, you can fire whomever said it; Unless you or someone else poured one directly into the other, it's not possible.

Quote:
Originally Posted by chris4jeep View Post
Could this be the brake not getting fluid?
No. Without fluid delivery, the calipers won't engage at all.


Quote:
Originally Posted by keithert View Post
People here said the caliper must have gotten stuck. Some said that a firm application of the brakes in reverse will sometimes unstick them.
Caliper stuck? Likely. Unstick by "firm application of the brakes in reverse"? I seem to recall some such thing on 1959 VW drum brakes, but I think it doesn't apply to discs so much.

Quote:
Originally Posted by biffgnar View Post
Sounds like two separate problems. The first is a cooling system problem (and I'm curious how you think brake fluid would mix with coolant). Plenty of threads on fixing cooling issues but maybe start by changing radiator cap and doing a fluid flush if no other obvious issues. The latter (unrelated) issue is a brake caliper that is seizing up on you.
Yes to all of this

Quote:
Originally Posted by chris4jeep View Post
alright..... back from a test run..... Brake must still be seizing cause i came back from a quick drive gave it a little water and steem was coming off the rotor again..... coolant no longer boiiling over, just boiling. right now its 83 degrees here in ATL so it could be the heat making it run a little warm.....
Still seizing, replace both 'cuz the other is likely to soon suffer the same ailment. Just check for pinches or clogs in the system/lines first. There could be some kind of incomplete obstruction that allows for fluid to move/push the caliper pistons under pedal pressure, but not flow out to release the piston(s).

83* is not hot and your rig's cooling system should be able to handle it with ease. At 110*+ it might start having trouble keeping things cool, but not at 83* when all is working properly.
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Unread 04-03-2012, 01:23 PM   #9
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Yep, you've got a seized caliper...no question about that. There's also no warping in the rotor because rotors don't warp: you get a deposit layer on them that causes the familiar chattering that most people unintentionally mistake for warping. You need to swap out the calipers for some functional units. You might get one unstuck, but that's usually a temporary fix in my experience. You'll pull the caliper in order to free it up so you might as well get some good ones in there while you've got it off...brakes are not something you half-a**.

The cooling issue is another problem entirely. You should not be experiencing overheating in those temps. Running at 230 is an indication that something is wrong. Start troubleshooting.
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Unread 04-03-2012, 01:41 PM   #10
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When you say boiling over, do you mean it looks like it boiling inside overflow tank? If so, try changing your radiator cap for a new one rated at 18psi.
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Unread 04-03-2012, 01:56 PM   #11
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Quote:
Originally Posted by Sundowner View Post
There's also no warping in the rotor because rotors don't warp:
No even roasting-hot ones that you dump water on??

Soooo - OP - have you topped off your radiator previously using green antifreeze even though it's got the red-orange stuff?
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Unread 04-03-2012, 02:00 PM   #12
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I hope he didn't mix 2 coolants of different chemical makeup.
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Unread 04-03-2012, 02:11 PM   #13
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Quote:
Originally Posted by Yucca-man View Post
Soooo - OP - have you topped off your radiator previously using green antifreeze even though it's got the red-orange stuff?
Quote:
Originally Posted by Necko2529 View Post
I hope he didn't mix 2 coolants of different chemical makeup.
That would be very, very bad.
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Unread 04-03-2012, 02:13 PM   #14
Yucca-man
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BTW, it's an errand.

I'd love to know who told the OP that "it could be brake fluid mixing with my coolent? causing it to run over? and boil? and would explain the tempature of the engine." More entertainingly, I'd like to know how each of those closed, independent systems are mixing?
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Unread 04-03-2012, 02:26 PM   #15
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No even roasting-hot ones that you dump water on??
I doubt it. Water hits hot brakes all the time, unless you live in Aswan, Egypt. I'm sure you can intentionally distort one if you try hard enough, though.
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