sinkrun Posted May 21, 2013 Share Posted May 21, 2013 This is on my 2000 XJ I just bought I didnt look at the coolant guy only wanted $1000.00 for a loaded just inspected 2000XJ so I jumped on it I did drive it ran great. I started checking things and the antifreeze was like mud. So I back flushed it took 20 mins to run clear then I put cleaner in it and ran for a hour flushed for about 30mins to run clear. So I put water back in and thought I would run it for a few weeks and do it again. Well I was out driving and noticed brown all over the side of the jeep and hissing. Radiator had a crack in it and was leaking this is when It hit me STOP LEAK oh dam. The guy I got it from was cheap in a big way he is a older guy. So I ordered A cheap radiator ran the hose thru the block more crap for about 15Mins. New cap, new thermostat, new antifreeze, new radiator and put a couple hundred miles on it notice a small spot on the drive way opened the hood and found this. It had blown out some water all brown with the cap on all over the air box. Took the cap off and had to scoup the crap out.. can't get the picture on?? (Tried the new photo bucket no luck why does every body want to change websites.) So do you think this could is stop leak? Oil looks good heat gauge was around 210 after the first flush before about 230. I am thinking of trying a power flush local shop said the could clean it out for $80.00. Link to comment Share on other sites More sharing options...
randomguy310 Posted May 21, 2013 Share Posted May 21, 2013 if its a 2000 you might have a cracked head... Link to comment Share on other sites More sharing options...
sinkrun Posted May 21, 2013 Author Share Posted May 21, 2013 Didnt seem oily even left it sit in a bucket never seperated. Also its supposed to have a updated head on it but not sure without taking the valve cover off. I am thinking a compression test will be next just to be sure. Link to comment Share on other sites More sharing options...
cruiser54 Posted May 21, 2013 Share Posted May 21, 2013 You would have oil that looks like a chocolate milkshake if the head cracked. And, a compression test will not detect the cracked head. Link to comment Share on other sites More sharing options...
ratrapp Posted May 21, 2013 Share Posted May 21, 2013 I've used clr to help clean them out.i run it about a day or two then flush it out.a mechanic at a truck shop showed me this as he regularly does this on big road tractors. Link to comment Share on other sites More sharing options...
Automan2164 Posted May 21, 2013 Share Posted May 21, 2013 if its a 2000 you might have a cracked head... A cheap 2000-01 makes my suspicious bone twitch something awful. I'd have ran once I inspected the coolant while buying. Rob Link to comment Share on other sites More sharing options...
sinkrun Posted May 21, 2013 Author Share Posted May 21, 2013 I did know the 2000 had issues with the head when I bought it figured even if it needed a head or motor it was still worth it. I will have to try to get pics on again. Link to comment Share on other sites More sharing options...
92tanMJ Posted May 22, 2013 Share Posted May 22, 2013 You will still have that stop leak crap in the heater box inside/under the dash. I would recomend flushing that by its lone some for a wile..and don't use hard water the minterals cause rust to form, use soft water or something along those lines. Link to comment Share on other sites More sharing options...
sinkrun Posted May 22, 2013 Author Share Posted May 22, 2013 Asked the wife today to look and see what color she thought it was she said more orange not Chocolate milk I wanted someones non biased opinion. Its actually smells rusty like when your grinding rust. This thing does have 190,000 miles on it thats what made me think the head had to have been done or a different motor.This thing dosent look or run like it has that many miles. I see there is a new head Mopar used marked TUPY in the area where they cracked that did not have the issues the original did. I found many many posts on 2000XJ leaking however they were antifreeze in the oil I could not find one with oil in the antifreeze. I did find today the hose going to the overflow was pluged tight with that crap not letting it breathe at all. Link to comment Share on other sites More sharing options...
sinkrun Posted May 22, 2013 Author Share Posted May 22, 2013 This is what I found after the two or three flushes, Link to comment Share on other sites More sharing options...
92tanMJ Posted May 22, 2013 Share Posted May 22, 2013 My advice would be to try ro flush each system individually forwards and backwards. And if you can get something that you can add pressure to the water and flush it that way Link to comment Share on other sites More sharing options...
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