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Jeep Grand Cherokee Maintenance and Repair

4604 messages,  Last post on Nov 29, 2009 at 2:07 PM

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#2565 of 4604 2000 JGC transmission problems...Need Advice!! by dakotarae1 Jan 25, 2006 (2:27 pm)
Hi, I've got a 2000 JGC Laredo. Have had this same transmission problem for about a year now. I've read some other problems like mine but couldn't really get a diagnosis from anyone. Anyway, for some reson it seems worse the colder it gets. After I first crank it in the morning and get going it doesn't want to shift from 2nd to 3rd. It'll "Wind out" up to around 4000 Rpms then I usually have to let off the gas and it'll shift...sometimes. Jeep dealership couldn't find anything the first couple of times I had it in (still under extended warranty). Well this time they recognized the prob but I didn't leave it with them. Anyway, It just hit 80,000 miles, we changed the fluids, filter, etc. Shifts out a tad better now but still not right. Also wondering if anybody out there is familiar with adjusting the transmission bands. Cluless on that...and noone seems to know. Anyway, got a $2000 deductible with the warranty so if the fix happens to be something cheaper then I'd rather do it myself.Open to any advice and suggestions. Thanks so much. Paula Replies to this message: dixiecrawler (Jan 25, 2006 7:58 pm) dakotarae1 (Jan 27, 2006 12:24 pm)
#2566 of 4604 Me again! by dakotarae1 Jan 25, 2006 (3:13 pm)
I have a $200 deductible not $2000...yall must have thought I was nuts. Anyway!!! Paula
#2567 of 4604 Re: Transmission Problem Question... [txman1] by gccambridge Jan 25, 2006 (6:45 pm)
Replying to: txman1 (Jan 25, 2006 1:18 pm) txman1,   Thanks for the response. Interesting. Dealer's answer to me was Euro (Mercedes) trannies are harsher and that new trannies designed with less "slip" to prolong life... I actually took it to another dealer today (second opinion wouldn't hurt). So far, they seem mystified and have actually held the Jeep overnight for "more tests"... Will let you know what the diagnosis is.   I also reviewed the gear ratios and while there is a difference in ratios b/w the 3.7 tranny (Mercedes) and 4.7/Hemi tranny (Chrysler) - relatively speaking, differences don't seem that huge (I've driven a Durango with the Hemi and same Chrysler transmission and it shifted fine across all gears too)... This tranny is used in several Mercedes cars (E Class for example) since 1995 - makes me wonder, could they really all be like that?
#2568 of 4604 Jeep Cherokee 91' problem by pd48cool Jan 25, 2006 (7:56 pm)
Having trouble with the battery draining slowly .Usually it drains itself over night
#2569 of 4604 Re: 2000 JGC transmission problems...Need Advice!! [dakotarae1] by dixiecrawler Jan 25, 2006 (7:58 pm)
Replying to: dakotarae1 (Jan 25, 2006 2:27 pm) Your transmission is the 45RFE, which they began using in the '99 and later models (WJ's). This transmission does not require band adjustments, so don't let any shops tell you otherwise. I also have a 2000 Grand Cherokee Laredo. Since they recognized the problem with yours, did they tell you what it was exactly? I'm having the exact same problem with mine, but I don't have the extra cash lying around to "guess" at what the problem may or may not be. I've got a couple of good ideas of what it is, but I was wondering if you knew EXACTLY what it is. Anyway, I'll check back for a reply, and I hope this information helped you out a bit! If you can tell me what has to be done or replaced, I'll do it and then post my findings and steps used to fix it.
#2574 of 4604 Grand Cherokee 4.7 L Milage? by clarkkent Jan 27, 2006 (7:01 am)
I have a 2000 GC 4.7 L. I just got back from a 4000 mile trip. I have 95000 on the car, good air pressure in the tires, a recent tune up, and I got an average of 17 mpg.   It was mostly HW miles at 75 mph.   Is that about the right mileage?   I would have expected 19 to 20 as it was level cruising with the Cruise Control most of the time.   What is everyone else getting?   Thanks, CK

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