5.7L Hemi Reliability - JeepForum.com
 
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post #1 of 10 Old 08-01-2009, 01:10 PM Thread Starter
warrenhaynes
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5.7L Hemi Reliability

I currently have a 06 WK 2WD 4.7L Limited. This was my 16th birthday present and while I love the car, I really wanted 4WD. So, I've been saving up my money and have gotten a job ($7.25 min. wage haha). I have already bought the 3.5" RK lift, and OME rear shocks. I want to upgrade to 4X4 and a 5.7L Hemi as well. The one I'm looking at is a red one with all the bells and whistles and has a pretty decent price. The only problem is that it has 73k miles. I know someone who does auto auctions and said that the 4.7L V8's start to have engine trouble after 80k, is there any worries or concerns I should have about getting a 5.7L with 73K? Thanks beforehand.

Here's the link to the car http://www.autotrader.com/fyc/vdp.js...standard=false


06 Jeep WK Limited 5.7L HEMI

OME HD 3", 265/70 BFG A/T, AEM Brute Force CAI, Gibson Cat-back Exhaust, Rola Rack, Stainless Brushguard, PIAA 520's, 4xGuard Front Guard
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post #2 of 10 Old 08-01-2009, 02:52 PM
Texas WJ
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Quote:
I know someone who does auto auctions and said that the 4.7L V8's start to have engine trouble after 80k
Not trying to be a complete jerk, despite his apparent qualifications, I couldn't disagree more with your friend. Coming from the WJ side of things before the WK, the 4.7 is a solid, solid, engine good for an easy 200,000 miles. I put 120,000 on the 4.7 in my WJ and it still didn't burn a drop of oil and ran like the day it was first bought. It was a wonderful engine for that Jeep. I wouldn't base your decision on this. Now, if you want a 4X4 that's different and the extra power is nice... with that comes some extra expenses though. Gas mileage for one. It can be pretty dismal once you get that lift, Quadra-Drive is more maintenance intensive and loaded models are pricier to insure but it's worth it in the long run if you really want it.

I've got 65,000 on my Hemi and see no reason why it won't be running strong 100,000 miles from now.
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post #3 of 10 Old 08-01-2009, 04:58 PM
Thespaniardfhs
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Love my hemi, running strong at 68K

05 WK 5.7 QD-II | Saguaro 4xComponents: Front Winch Bumper | Rear Bumper / Tire Carrier | Recon 10,500lbs Winch | 4xGuard Front(mod), Belly, Rear, Side Guards | OME HD Lift kit | BFG MT KM2 285/70 17 | Spidertrax 1.5" wheel spacers | Stillen Rotors & Pads | FOR SALE - PM FOR INFO!

05 KJ CRD Limited - Stock

HEMI Club Member #36
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post #4 of 10 Old 08-01-2009, 08:41 PM
bmill
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I bought my hemi at 70k and now at 75k and still love it. I recently had a crank position sensor fail but besides that still runs super smooth... Make sure you test drive a couple. I did before I bought mine and you can tell the difference between a well maintained jeep and one that has had the life beat out of it.

'98 ZJ 5.9L Limited w/ 134k |Spectre Carb Intake| Poly Swaybar & End Links| Tune up in progress...|
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post #5 of 10 Old 08-02-2009, 11:58 AM
Z28Justin
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I've never heard a single complaint about the 4.7L. I did some heavy research before I bought my Jeep and could find no common problems with the 4.7 that would make me believe it wouldn't outlast the Jeep itself.

2005 WK Laredo. 4.7L Quadratrac-II (K&N)
1995 Camaro Z28 (too many mods to list)
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post #6 of 10 Old 10-19-2009, 07:41 PM
Podedwards
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I have a Dodge 2002 Dodge Truck with 156K on its 4.7. Uses no oil and does not leak.

I'd suggest getting a vehicle that you pay for.

"An appeaser is one who feeds a crocodile, hoping it will eat him last" Winston Churchill
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post #7 of 10 Old 10-20-2009, 10:38 AM
345jeep
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Have no fear about the mechanical aspects of the Hemi provided that you don't skimp on the maintenance. Rock solid under the toughest work conditions. THIS IS A WORK ENGINE. That said, all of the little periferal sensors, solenoids, modules, etc.....well....this is a Chrysler. Those little things are going to go when they want to go and you will have to replace them.

2008 GC Overland 4x4 Trail Rated
2001 Cherokee Limited 4x4 (Sold)
1982 Wagoneer Limited 4x4 258 6cyl (Sold)
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post #8 of 10 Old 10-20-2009, 12:10 PM
BlueSteelJP
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4.7 Liters are rock solid, and in my opinion, better than the Hemi. I was sad to here that they discontinued the 4.7 in the next model, I think it's a dumb move on Chryslers part. I put 165,000 miles on my 2000 WJ and it never burned a drop of oil. Had to have a new head gasket at 113,000 because Jiffy Lube clogged up the bottom of the raditor when the flushed the system. This resulted in overheating of my 4.7 - 4 times which caused the head gasket problem. Even with all this, it still did not burn a drop of oil even with the radiator fluid mixing in with the oil.

My new Hemi has alot of catching up to prove her worthy of the 4.7 liter.

Blue WK Club Member #10


2005 Jeep Grand Cherokee Limited, 5.7 Liter Hemi no Mods So Far.
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post #9 of 10 Old 10-21-2009, 08:44 AM
345jeep
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Quote:
I was sad to here that they discontinued the 4.7 in the next model, I think it's a dumb move on Chryslers part.
Basically, Chysler is too small to have two V8 engine programs and I think that they made the right economic move to center around the VVT Hemi as their corporate V8. New Pentastar V6, with torque output comparable to the 4.7, will fill the gap. Hope you find the Hemi to be as reliable as the 4.7. I know that thousands of 3/4 ton pickup heavy haulers celebrate the engine for its stoutness and reliability.

2008 GC Overland 4x4 Trail Rated
2001 Cherokee Limited 4x4 (Sold)
1982 Wagoneer Limited 4x4 258 6cyl (Sold)
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post #10 of 10 Old 10-23-2009, 10:19 PM
crock
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The Hemi has an excellent reputation in the trucks and cars that come with it. I don't see any reason why it won't work with a Jeep except that it has a little too much power in 4WD low.
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