Losing Coolant, smelling coolant - JeepForum.com
 
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post #1 of 5 Old 03-16-2018, 08:07 AM Thread Starter
SaharaNC
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Losing Coolant, smelling coolant

Just bought this Jeep Wrangler from a dealer. Its an 08 JKU Sahara. We got a pretty decent deal and the dealer threw in a 3 yr/36k warranty. I wouldn't have bought it without the warranty and my car took a **** so I needed something else and the Jeep was at the right price and perfect for what we needed it for... It was covered in mud and it was beat to hell and back when we got it BUT it had the bumper to bumper so I wasn't concerned...
It was dark when I picked it up from the dealer and noticed the next morning the coolant reservoir was bone dry. I smelled coolant and it seemed hot but the dash said it was ok. (it was in the middle), which made me check the coolant levels anyway. We added coolant and after a day or so the levels were down again. My husband got in there with a flashlight and found that it was leaking around the water pump seal. Easy fix right? We took it back to the dealer and they replaced the water pump and said it was good to go. Now its leaking coolant even more than it was before and it seems to be coming from the water pump area again.. It also has that hot coolant smell again. I'm taking it back to the dealer but before I get it there is there anything that yall can think of that might be the issue? (other than it being ragged out to begin with) my buddy thinks it might be a head gasket. My gas mileage has also been ****ty. 1/4 tank to go to town and back which is 36 miles round trip... Its also sluggish to get up to 55 mph on the hwy when I have to merge or actually get on the main road from a stop. My husband is a chevy guy and hasn't had a lot of experience with Mopar so I thought I would give the forum a shot. Thanks, please no sarcasm or smart *** BS comments.

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post #2 of 5 Old 03-16-2018, 08:21 AM Thread Starter
SaharaNC
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My husband said it was leaking directly underneath the water pump pulley. Could it be a bad water pump that they put in for the second time? lol
Or the pump itself is warped and not getting a good seal or the location of where the pump mounts to is warped, or it just has a bad seal. Or they used a refurb water pump.
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post #3 of 5 Old 03-16-2018, 03:07 PM
arbakken
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E-diagnosis is kinda tough. Usually head gaskets don't leak externally, but if there's coolant in the oil or oil in the coolant, or a misfire. They could have done a bad job replacing the water pump (shouldn't be that hard of a job). I'm not familiar with the 3.8, but it could be leaking from above the water pump. Take it back and make them fix it right!
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post #4 of 5 Old 03-17-2018, 07:37 AM
JIMBOX
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Check the tubing from coolant reserve tank to radiator--

With engine off, wipe pump/block at bottom around bottom pump bolt and next bolt(higher to left--

Run engine/drive for 15 minutes---check same area for coolant leak--if it is leaking, re-torgue bottom bolts to 20 lbft--10 mm I think-

I only suggest that be cause that's what fixed my leak, the pump is PROBABLY OK, It's the installation and design of the internal pump flow/attachment--


I have one more(besides head gasket suggestion) fix if you still have leak--

Good luck

JIMBO

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post #5 of 5 Old 03-19-2018, 09:31 AM
propped1
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Quote:
Originally Posted by SaharaNC View Post
My husband said it was leaking directly underneath the water pump pulley. Could it be a bad water pump that they put in for the second time? lol
Or the pump itself is warped and not getting a good seal or the location of where the pump mounts to is warped, or it just has a bad seal. Or they used a refurb water pump.
This happened to me. On a pressure test, the coolant was spitting out the pulley. It wasnt easy to detect because it would spray the radiator and evaporate before puddles could form. Do a pressure test. Ive had a corroded clip on the lower hose, thermostat replaced, and water pump replaced on my 07. Pressure test takes the guess work out.

4" lift, PR 44, PR 60, 5.13, 37 Toyo MT, ATX Slabs, Skids, PSC Big Bore, 2Way
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