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Old 05-06-2014, 01:54 AM
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2014 GC 5.7 Coolant Leak

I am having coolant leak issues the dealer just does not seem to be able to correct. The dealer saw a leak when I was in for my first oil change. Coolant was dripping from under the front drivers side. Was down to the add mark for coolant. They pressure tested the system 4 times could not find a leak. Lots of dried coolant down the radiator from the upper hose. Dealer replaced the upper hose. Day and half later I was down to the add mark again. Took pressure tests and 2 hours of driving to find a leak. This time they replaced the lower radiator hose.

Now 1.5 months later coolant is down to the add mark again, there is dried coolant all down the drivers side of the radiator again and coolant drips from the under the bumper.

It never leaves coolant drips while parked. It seam to lose it while driving.

I am going back for the third time to try to fix this again. I don't have high hopes they will find the issue short of just starting the replace part.

One more trip to fix this and I will be looking into a buy back under the lemon law.

Love my GC but this should not be happening on 55K SUV.

2014 Grand Cherokee Summit 5.7 Hemi.
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Old 05-06-2014, 05:09 AM
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Re: 2014 GC 5.7 Coolant Leak

I had the same problem with my 2012 5.7 hemi and dealer replaced the spring style clamp on upper hose with a clamp with a screw that you can tighten. It seems to have worked because no leak for 6000 miles.
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Old 05-07-2014, 06:16 PM
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Re: 2014 GC 5.7 Coolant Leak

Had an intermittent coolant leak on my 2014 JCG 5.7 Hemi that was noticeable after sitting in the driveway. There were stains on the driver's side of the radiator that started at the upper hose. Initially dealer replace the constant tension clamp with a screw-type. Leak showed back up after about a week.
Ultimately they replaced the radiator.
BTW: I've heard that using screw-type clamps on the newer plastic radiators can warp the hose nipples and lead to failure. It's recommended to use only the constant tension clamps.
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Old 12-12-2014, 02:20 AM
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Re: 2014 GC 5.7 Coolant Leak

It was the radiator that was leaking. In the same place as gilbercal had the leak. Top of radiator, drivers side above the upper hose. Sounds like there was a bad batch of radiators to have the leak in the same spot.
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Old 12-12-2014, 02:51 PM
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Re: 2014 GC 5.7 Coolant Leak

I've seen a few posts about the radiators in the 14 5.7 having very fine/hairline cracks and leaking - including mine.
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Old 12-12-2014, 04:18 PM
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Re: 2014 GC 5.7 Coolant Leak

Good to know. I will keep watching for any possible new leaks on the replacement
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Old 12-15-2014, 08:49 AM
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Re: 2014 GC 5.7 Coolant Leak

I've had my heavy duty radiator replaced after it mysteriously started dripping after a visit to the dealer. Same location as yours, by the tow hook.
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