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Unread 03-08-2006, 11:25 AM   #1
yen
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Major repair, advice needed

My '99 Grand Cherokee Lmtd is sitting in Aamco awaiting my decision. It was still running but I heard some heavy clunking noise at high speed on the freeway. They said the transfer case is busted and needed to be rebuilt/replaced ($1500-$2200) and the rear diff is also damaged and needed to be replaced ($1600-$2400). The Jeep is completely stock.

So, what should I do? Are the prices reasonable? (I'm in Orange County, CA by the way). Should I even do it considering the repair cost is a significant fraction of the price? Argh!

Trade the thing in for a new one?

Time to upgrade with a new transfer case and locking diff?

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Unread 03-08-2006, 11:26 AM   #2
Myrtle Beach
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how many miles are on your Jeep?
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Unread 03-08-2006, 11:28 AM   #3
Varkyl
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option D: get a second opinion.
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Unread 03-08-2006, 11:42 AM   #4
dpierson
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Hello neighbor

I would get another opinion. But even if the TC needs replacement it can be done yourself with some help for a lot less. What do they say is wrong with the rear diff? For that price I think you could do a significant upgrade to the rear axle.

Also help us out and let us know what engine and TC you have.
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[SIZE=1]Black 94 ZJ Laredo 4.0L 42RE/NP231 Command Trac
Sylvania Silverstars, Alpine CD Head Unit, Pioneer 3-Ways in the Doors, Blacked Out Grill, Kolak Exhaust, Clear Corners, Bilstein Shocks, Gas Tank Skid, Rear Hitch, Hitch Wiring, TC Skid, Hellwig RSB, Military FSB, Brembo Front Rotors, OME SS, B&M Supercooler, RE Tie Rod, Limited Power Leather Seats, 30x9.5 Toyo Open Country ATs, Optima Red Top

Next Mods: Upgrade Battery Cables, Sliders, Black Steelies, 3" Lift, Rear Locker, Bumper, HO Alternator, Winch, Driving Lights[/SIZE]
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Unread 03-08-2006, 11:42 AM   #5
ArloGuthroJeep
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Both sounds way high. Throw in an Aussie locker and a new TC. If you don't do it yourself take it to a 4wd shop instead of a regular mechanics shop.
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Unread 03-08-2006, 11:44 AM   #6
Airborne Lee
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Not sure which dif you have but there are several aftermarket dif's installed for much less including lockers.

My trainy repair at a $tealership was $2400 so not too suprising.

Go with option D
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Unread 03-08-2006, 11:50 AM   #7
Blast Chamber
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Without knowing the miles and condition of your Jeep it's somewhat hard to say, but if it were mine and still drivable I'd go trade it in. Currently new Jeeps have the 0% financing for 60 months, and it's a buyer's market for used Jeeps. I can't see spending $4k plus on repairs for something with a lot of miles.
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Unread 03-08-2006, 12:02 PM   #8
yen
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My Jeep has 91K on it. I don't have any mechanical experience with cars so diy is pretty much out of the question for me. It'll just make it worse. If you are local to this area (OC) can you recommend a good 4WD shop?

What engine and TC do I have? Uhmm.... it's a 4.7L V8. Don't have a clue about the TC. What ever the stock TC is for this model ('99 GC lmtd, w/ a towing package).

They said the rear diff made a lot of noise and is loose. That one they will need to open up (for a fee of course) and give me a better estimate.
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Unread 03-08-2006, 12:21 PM   #9
Myrtle Beach
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the rear ends on the Jeep tend to go out around the mileage you have. I had mine redone recently. My buddy who works at a Jeep dealership did all new bearings, parts and labor for around $450. He said they see these things all the time. he tends to think they come a little to "Tight" from the factory and wear out prematurely. I would be hesitant to let Aamco do a rear end. You really need to find someone that does these things all the time and is familar with the correct pre-load and clearences.
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[URL=http://www.we-todd-did-racing.com/wetoddimage.wtdr/wNTcxOTAxNnM0MTNkZmQzMXk1NDE%3D.jpg]MY JEEP[/URL]
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Unread 03-08-2006, 02:06 PM   #10
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Quote:
Originally Posted by yen
My Jeep has 91K on it. I don't have any mechanical experience with cars so diy is pretty much out of the question for me. It'll just make it worse. If you are local to this area (OC) can you recommend a good 4WD shop?

What engine and TC do I have? Uhmm.... it's a 4.7L V8. Don't have a clue about the TC. What ever the stock TC is for this model ('99 GC lmtd, w/ a towing package).

They said the rear diff made a lot of noise and is loose. That one they will need to open up (for a fee of course) and give me a better estimate.
I wonder what caused this, I hope mine does not go bad...
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Unread 03-08-2006, 02:11 PM   #11
Gun1t28
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better watch out my dads 1995 ford F150 had an axle problem and took it to a mechanic. They said that it needs an entire new axle. My dads friend took a look at it and said it just needed new seals and bearings. So if you have a friend that knows about axles then have them check it out before you do anything. Also if money is an issue then go junkyard shopping.
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Unread 03-08-2006, 06:37 PM   #12
Airborne Lee
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Silly me...

Can't he just get a used TC and a locker for the dif. I would think he could get away with only 2k? What was the jeep graveyard/parts place from a week or so ago?
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Unread 03-09-2006, 10:32 AM   #13
yen
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2k? ohh I like.....
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Unread 03-09-2006, 10:56 AM   #14
dpierson
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I did some searching and a new TC is about $800 depending on what model you have. If you can do any wrenching you could do it yourself and that alone would save you at least $500 from the price Ammco quoted you. Then you could probably buy a complete rear axle and install it yourself for a lot less than what they want.
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Traded 8/9/07

[SIZE=1]Black 94 ZJ Laredo 4.0L 42RE/NP231 Command Trac
Sylvania Silverstars, Alpine CD Head Unit, Pioneer 3-Ways in the Doors, Blacked Out Grill, Kolak Exhaust, Clear Corners, Bilstein Shocks, Gas Tank Skid, Rear Hitch, Hitch Wiring, TC Skid, Hellwig RSB, Military FSB, Brembo Front Rotors, OME SS, B&M Supercooler, RE Tie Rod, Limited Power Leather Seats, 30x9.5 Toyo Open Country ATs, Optima Red Top

Next Mods: Upgrade Battery Cables, Sliders, Black Steelies, 3" Lift, Rear Locker, Bumper, HO Alternator, Winch, Driving Lights[/SIZE]
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Unread 03-09-2006, 03:44 PM   #15
AZMark
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Wouldn't it be uncommon for both to fail at the same time? Maybe only one transfer case or rear-end is broken? Anyway I'm in AZ and always use small shops that let me get my own parts and charge around $60 per hour for labor. I had a really noisy rear-end in one of my Zjs recently and it only cost me a total of around $275 to get the bearings replaced that had come apart. Look at Ebay auction # 8044004295 for a 242 transfer case from a 2004 WJ. Only $300 with no reserve and no one even bid on it (maybe still avail.?). You could rent a car for quite a while if you had to in comparison to the super high rates you where quoted.
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