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Old 11-02-2010, 11:40 AM   #1
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'01 leaky radiator... :(

Been getting a check gauges light for a week, no codes come up... Gauges all look ok. Look underneath it today and my radiator is leaking. How do I tell where it's leaking from? I see it from the bottom, passenger side, but can't tell if that's where it starts or where it's ending up. Also need to know how hard it is to replace the rad? I know they go bad pretty frequently. Just called my dealer and he wants $359+ for an OEM, and it's backordered so he can't say for sure what the total would be just for the part. I appreciate all advice

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Old 11-02-2010, 11:59 AM   #2
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Radiatorbarn.....Radiators, automotive radiators, condenser, oem radiators, truck radiators

Replacing is not difficult at all...takes about an hour, maybe a little more.

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Old 11-02-2010, 12:25 PM   #3
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I also have 2000 TJ and the radiator has been leaking small puddles for more than 3 years now. It is driven frequently and only leaks a few times every other month. I know...its weird. I too cannot tell where its coming from so I just keep the resevoir full and wait for it to completly fail before replacing it. Of course my pets don't have access to the puddle under it.
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Old 11-02-2010, 02:17 PM   #4
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cough...bars stop leak....cough


they are fairly simple to replace....not much in the way.
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Old 11-02-2010, 02:38 PM   #5
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I wouldn't get an OEM, but others can recommend something better.
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Old 11-02-2010, 02:41 PM   #6
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Need to pressure test it and that will show exactly where it's coming from.
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Old 11-02-2010, 02:44 PM   #7
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cough...bars stop leak....cough


they are fairly simple to replace....not much in the way.
always been a JB weld guy myself, but bar's will work for a while in most "slow leak" cases.
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Old 11-02-2010, 02:48 PM   #8
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I got one from auto zone for 100$ and did the radiator ,water pump,thermostat, hoses and I put in a new shroud for like 200$
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Old 11-02-2010, 03:24 PM   #9
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You need any help with it IG, you know how to get ahold of me.
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Old 11-02-2010, 03:51 PM   #10
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I've been eyeballing the Griffin Pro Series direct fit high performance radiator on page 278 of the new Quadratec catalog that just came in the mail. I think I am going to do something like that when my OEM starts leaking. Moab in the summer with the A/C on (and I already know I'm a pansy for that) It'd keep things cool I think.
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Old 11-02-2010, 04:14 PM   #11
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It takes very little time, easy too doo. Do not short change your self buy a good two row rad. Look on line I paid $175
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Old 11-02-2010, 04:19 PM   #12
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IG I've been happy with my Champion Cooling 3 row alluminum rad.Champion Radiator custom aluminum radiators, corvette radiator, auto radiators, aluminum car radiators and custom automotive radiators including aluminum radiators, auto radiator, car radiator 'Be Cool','aluminum radiator',radiator,module,cooling alu

4 bolts for the shroud
6 bolts for the rad and disconnect everything and slides right out.

If auto you have to connect the bottom inlets but if not no worries there not needed.

Only prob I've had is I can't get the petcock valve to stop dripping at full pressure but I didn't have it closed good enough first time and got some rad fluid crud on the threads.
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Old 11-03-2010, 09:51 AM   #13
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I am in the same boat. I'm bummed because I plan on doing an LS swap this summer, so I will be putting in a different rad then anyway.

I found mine at Rockauto.com. Less than $100. I love that place! I ordered on monday. It is schedule to be here today.

My local Autozone had one in stock for $175. I agree with pokey, stay away from OEM. The first one didn't even make it 10 years!

I went cheap, butif you don't have an engine swap in your future or anything a high perf all aluminum one would probably be better. My understanding is the plastic tank/aluminum core is the issue.
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Old 11-03-2010, 09:56 AM   #14
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SINGLE ROW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! and all metal only way to go.

if you don't believe me ask Jerry B.
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Old 11-03-2010, 09:57 AM   #15
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Sorry about your luck IG-but don't think it is too bad of a job. EX- Son in law did one on his and he is not best mechanic. it was fine for over a year. He did use cheapest he could find. But the work must not be to tough. Probably be good up grade more flow better cooling for off road.
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Old 11-03-2010, 10:06 AM   #16
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I was searching around here and found a great write up:
http://www.stu-offroad.com/engine/ra...radiator-1.htm
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Old 11-03-2010, 03:25 PM   #17
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Ok, I took some pics today to help identify what's going on here... Any input is greatly appreciated. It seems like maybe its leaking from this metal part on this hose. I have no clue what that is....
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Old 11-03-2010, 05:09 PM   #18
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Ok, I took some pics today to help identify what's going on here... Any input is greatly appreciated. It seems like maybe its leaking from this metal part on this hose. I have no clue what that is....
Probably leaking at the top or bottom seam. I would say it is dripping down from above somewhere.

Unload the HOAT and put in some original green with lots of silicates, that might stop it. Maybe just try some "stop leak" - for one time only.

A radiator shop may be a good choice for the purchase of a new radiator, providing its reputable and competitive and has a good warranty.

If you remove the radiaror and want to repair the leak, Seal-All or J-B Weld come to mind. Seal-All can actually be applied directly to the leak with the radiator in the vehicle. I have repaired holes in gas tanks with that stuff. J-B Weld is great as well, I've used lots of that product.

The ARRC site is showing 1.5 hours for a 4 cylinder and 1.8 hours for a 6 cylinder. That's the labour to replace. With automatic, add 0.1 hour. Dodgeparts.com is showing about $250.00 for a new radiator. Looking like a $400.00 job going that route.

I would check around the radiator cap for leaks. Make sure it is properly tightened. Also check the hose to the reservoir for leaks.
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Old 11-03-2010, 05:25 PM   #19
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Pressure test, pressure test, pressure test! Make sure you now what is leaking before you replace it. It could be just the weak factory hose clamps need to be replaced. You should be able to rent a coolant pressure tester from the local parts retailer for free.
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Old 11-03-2010, 05:37 PM   #20
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If it is the stock plastic capped radiator it is possible it is leaking from the seam at the top as mine did and a million others. I would buy a metal radiator that has 2 rows, not 3, from a radiator store and I would not even consider having this stock radiator fixed. I paid around $125 for a brand new quality radiator. Replacing it is very easy, just drain it and remove it. You have to remove the shroud first, then the screws holding it in place and then the hoses. I know you can do it from all the other things you have done to your Jeep.
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Old 11-03-2010, 05:44 PM   #21
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We talked about this on FB this morning, but I'll throw my two pennies in here as well. 2 Row all metal from radiator barn.com. $178 shipped to your door in about two days. Go by your parts store of choice and pick up a thermostat (195*) and gasket, along with 3 gallons of new antifreeze. (It's a 10 quart system.) The link Tim provided is all you need, but if you have any questions, you have my number.
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Old 11-03-2010, 06:11 PM   #22
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Wait a second. That's not coolant! That's transmission fluid! See the drips coming off? They are red! I was thinking about what that other hose was when I realized it was from the transmission, I looked closer at the fluid. That's not coolant.
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Old 11-03-2010, 06:16 PM   #23
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Why is it leaking transmission fluid??????

Coolant is pink too. I am so hopelessly lost and confused. I just want my baby to be alright... And according to the stupid sample the guys at the oil change place showed me last week, MY transmission fluid is brown and nasty not nice and pink like this.... (Have I mentioned that I hate those guys?) I guess I'll give it a sniff in the morning. When I was looking around taking this pic I smelled coolant, but I sloshed a little checking the level in the tank, which is full by the way....
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Old 11-03-2010, 06:22 PM   #24
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Why is it leaking transmission fluid??????
It's not as common, but it does happen as the radiator cools your water and tranny fluid. I strongly suggest you not drive it until you check your transmission fluid - you want to make sure no water getting mixed in with the fluid. I would replace the radiator, as it doesn't look hose related.

ETA: I see that your coolant is red, so it might not be that bad - but it's best to check it out.
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Old 11-03-2010, 06:41 PM   #25
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Why is it leaking transmission fluid??????

Coolant is pink too. I am so hopelessly lost and confused. I just want my baby to be alright... And according to the stupid sample the guys at the oil change place showed me last week, MY transmission fluid is brown and nasty not nice and pink like this.... (Have I mentioned that I hate those guys?) I guess I'll give it a sniff in the morning. When I was looking around taking this pic I smelled coolant, but I sloshed a little checking the level in the tank, which is full by the way....
Your coolant is pink? That's weird. Mine is green, but I've only ever seen orange (GM Dexcool) or green (everything else). Never seen any pink coolant. I'm almost positive that is transmision fluid, and it's probably leaking from where that line is supported by that tie. The drips and the general "oilyness" look of the wet areas make me think it's not water, as well as the color of the drips. But I'm not there to look at it, so that's just my best guess from 150 miles away.
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Old 11-03-2010, 06:48 PM   #26
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Your coolant is pink? That's weird. Mine is green, but I've only ever seen orange (GM Dexcool) or green (everything else). Never seen any pink coolant. I'm almost positive that is transmision fluid, and it's probably leaking from where that line is supported by that tie. The drips and the general "oilyness" look of the wet areas make me think it's not water, as well as the color of the drips. But I'm not there to look at it, so that's just my best guess from 150 miles away.
It looks funny to me to Josh, IG what does it feel and smell like?
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Old 11-03-2010, 08:24 PM   #27
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I had pink coolant until I flushed the radiator a few weeks back. When I bought the jeep back in February they mechanic I took it to referred to it as “that cheap pink s**t” and to flush it soon.
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Old 11-03-2010, 09:32 PM   #28
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I had a pin hole leak in my upper radiator hose ( 1999 TJ Sahara 4.0L auto )
I had to clean and dry everything off and ran the engine up to temperature
and put a pair of safety googles on then looked from top to bottom
until I saw the leak

I did contact Radiator barn and let me tell you....this representative was so nice
and when I need to buy a replacement radiator I will certainly buy one from them.
they were $5.00 more than the least expensive place that I could find but
he answered every question and replied to every email and I sent a bunch....

I see your hose clamps are orginal OEM so the hoses probably are also original.
The hoses will rot inside out so maybe you can change them out as part of routine maintenance.

personal recommendation call and ask for
>> Robert Amos
>> RadiatorBarn.com
>> Monday-Friday, 8am-5pm
>> (866) 723-7237
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Old 11-03-2010, 09:41 PM   #29
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I received excellent service from RB as well. I didn't talk to anyone but I ordered the Radiator on Wed night late and had it Monday when I got up.
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Old 11-03-2010, 09:42 PM   #30
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i replaced my radiator at Moab two years ago with a copper one with metal tanks at the local Moab Car quest for 159.00 bucks. The copper radiator cool's beter and the metal tanks won't crack. the plastic tank cracked while wheeling pritchet canyon and it was a long slow trip back to town.

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