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Jeep Liberty Transmission Problems

92 messages,  Last post on Aug 19, 2009 at 4:43 AM

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What is this discussion about? Towing, Transmission, SUV

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#91 of 92 Re: 2003 Jeep Liberty SERIOUS manual transmission problem [jeepinneed77] by caribou1 May 25, 2009 (11:53 pm)
Replying to: jeepinneed77 (May 25, 2009 3:29 pm) If you have a 2WD, to check the gearbox you can put the rear differential/axel on jacks, remove both wheels and gently select all gears without using the clutch and engine stopped. Now there is no effort coming from the transmission line, so you can evaluate the accuracy of the shifting mechanism. At this point if you can't shift easily you need to worry   Then start the engine without any gear engaged and check for unusual transmission noise. This will tell you the status of the clutch alignment with the gearbox. If the gearbox is severely misaligned you should hear a complaint from the bearings and the splined shaft that reaches into the clutch plate + mechanism.   Then you try shifting gears using the clutch with engine still running. If you hear cracking sounds while you shift then you can incriminate the synchromesh 'roses'.   All previous tests put no load on the transmission. When you are on the road you torque the transmission in both directions (+/-) and gears may want to 'let go' when they are severely damaged. This is different from synchromesh wear that has a function of putting two pieces at a same speed of rotation just before penetration of the annular splines/fingers/cogs machined on the gears that are engaged. The synchromesh is a 'consumable' compared to the gears.   Bonne chance   ps: the throw out bearing can only get noisier than usual but will not affect the transmission as such unless it explodes and permanently separates the clutch plates (not seen this yet!). If the clutch pressure plate is damaged, you will feel it with your foot when you press the pedal. A broken pressure plate mechanism will sound like a charm bracelet worn by a very old lady with Parkinson disease.   By putting the truck on jacks, you simulate the usual 'stress' on the transmission and suspension elements; if a fixation element is broken, it will not relax into it's original shape.
#92 of 92 Re: '02 Liberty Transmission meltdown [nuzedit] by 2002jeeplib Aug 19, 2009 (4:43 am)
Replying to: nuzedit (Mar 01, 2007 3:37 pm) Same thing happened to my daughter's 2002 Liberty. Driving down the road last week, for no apparent reason, the transmission locks up. Dealer did $300 worth of tests (eat doughnut, drink coffee, read paper, plug in test equipment, come back, read test results, go to lunch, etc..), and said car needs a $2,000 - $6,000 tranny rebuild. $2000 to "open up, poke around, replace gears," or 3-4 more thousand to replace transmission. Too bad, I just put 5 new tires on the jeep. Time to by a Toyota I guess. Too bad.   Note: can't do a CARS clunkers trade in as jeep has to be in "running condition." Who was the stupid politician who though of that. This jeep is not just a clunker, it's a $10,000 flower pot .

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