AntiFreeze turning brown - JeepForum.com

 
LinkBack Thread Tools
post #1 of 2 Old 02-17-2010, 03:21 PM Thread Starter
rrclimber
Registered User
 
rrclimber's Avatar
1995 YJ Wrangler 
 
Join Date: Oct 2002
Location: Laguna Beach
Posts: 582
AntiFreeze turning brown

Sorry in advance that this is so long...
A little while back i noticed that coolant in my radiator had turned to brown rust color. I thought it meant that I needed a good flush so I went to the local EZ Lube and had the system flushed. When they were done the fluid was still brown. They claimed that the radiator was rusted out and there was nothing they could do. Not long after this I was driving on the highway and it started overheating. I pulled over and the jeep had spewed fluid all over the place. I assumed that the "rusty" radiator had given up and I bought a new one. I flushed the system and ran a garden hose through it until it sprayed clean instead of brown. It had been running fine for about 4 months but yesterday it started to overheat again. I took off the radiator cap and sure enough all brown again. Not only is the fluid brown but it is also caking up with something. The radiator cap has some crusted caked on substance that looks like mud all around it. I noticed that the overflow bottle was still green so I pulled the overflow hose and it is so caked with this substance that the fluid cannot even flow through the tube.
After searching around the forum I am starting to think that I have a blown headgasket that is leaking oil into my cooling system. Has anyone seen this happen before? Would an oil leak cause that caking problem in the hoses and around the cap? Thanks in advance for any help you can give me!


Merry Wacko Jeep Club Member #William Shatner

95', 4.0, 4" Rusty Lift, 33" Pro Comp AT's, Quick Release II Mirror, Pavement ends flip-top, Alpine deck, bazooka amp, sony 10" sub.

My Jeep
rrclimber is offline  
Sponsored Links
Advertisement
 
post #2 of 2 Old 02-17-2010, 03:44 PM
idaholtby
Registered User
1991 YJ Wrangler 
 
Join Date: Apr 2008
Location: Meridian
Posts: 2,563
Quote:
Originally Posted by rrclimber View Post
Sorry in advance that this is so long...
A little while back i noticed that coolant in my radiator had turned to brown rust color. I thought it meant that I needed a good flush so I went to the local EZ Lube and had the system flushed. When they were done the fluid was still brown. They claimed that the radiator was rusted out and there was nothing they could do. Not long after this I was driving on the highway and it started overheating. I pulled over and the jeep had spewed fluid all over the place. I assumed that the "rusty" radiator had given up and I bought a new one. I flushed the system and ran a garden hose through it until it sprayed clean instead of brown. It had been running fine for about 4 months but yesterday it started to overheat again. I took off the radiator cap and sure enough all brown again. Not only is the fluid brown but it is also caking up with something. The radiator cap has some crusted caked on substance that looks like mud all around it. I noticed that the overflow bottle was still green so I pulled the overflow hose and it is so caked with this substance that the fluid cannot even flow through the tube.
After searching around the forum I am starting to think that I have a blown head gasket that is leaking oil into my cooling system. Has anyone seen this happen before? Would an oil leak cause that caking problem in the hoses and around the cap? Thanks in advance for any help you can give me!
Unfortunately, I would have to say yes. It sounds like oil is getting into the coolant. Does this residue appear foamy/cakey? I experienced the same on a non-Jeep vehicle and it was due to a blown head gasket. When I experienced this, the oil was not contaminated with coolant, but the coolant was contaminated with oil. This was a known issue with the head gasket on my "then" vehicle (1997 2.0L Dodge Breeze). Hopefully this is not your issue, but it definitely could be. The contaminated coolant would present itself by causing a gurgling sound when the engine was shut off (on previously said vehicle). This was because the oil in the coolant destroyed the seal on the radiator cap and would allow the pressure to "burp" past the bad seal into the overflow reservoir. I have yet to experience this on either of my 2.5L or 4.0L Jeep engines, but your symptoms seem to fit. I hope this is not the case, I am just (unfortunately) affirming the possibility. Good luck on this!
idaholtby is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
Brown Dog MikNov TJ Wrangler Technical Forum 30 10-23-2009 11:51 AM
Brown Came!! BiGEN JK Wrangler Technical Forum 31 09-21-2008 01:12 PM
MML: M.O.R.E. or Brown Dog BYuen TJ Wrangler Technical Forum 24 05-01-2008 09:49 AM
Brown Dog MM USCGTWEET TJ Wrangler Technical Forum 2 01-16-2008 05:34 AM
MML- Brown Dog vs. M.O.R.E. KUK9 TJ Wrangler Technical Forum 18 03-08-2007 05:43 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome