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SUVs Jeep Commander Jeep Commander Maintenance and Repair
310 messages, Last post on Nov 16, 2009 at 2:05 PM
You are in the Jeep Commander Forum. Your Hosts are steve_ & tidester
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Replying to: zsowle (Feb 10, 2007 8:29 pm) |
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My daughter bought a 2006 Commander and is stationed in Montana. She tells me that the front fan operation for the heat is not working but the rear is operating fine. Can you please tell me what direction to send her in finding what I hope is either a fuse or relay problem. Thanks |
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Replying to: dreichert (May 12, 2006 11:35 am) The sudden downshifts cause passengers to nearly hit the windshield, luckily no ones ever been tailgating me and I haven't been taking a turn on wet pavement or in icy conditions - the down shift would definitely cause a loss of control, loss of traction, and an accident. Shortly after the first few downshifts, I started using the slap-shift to manually control the gear settings which stopped the sudden downshifts while in manual mode. Since then I've learned that leaving the slap-shift in 4th works fine and the trans goes through all the gears, although at slightly different shift points. I can normally sense the problem about to happen when in Drive - the jeep seems to miss a shift point and the rpms increase as it struggles to make the up-shift. At this point I slap shift into 4th and leave it there - otherwise there would be a sudden downshift. The dealer is useless, say they can't find a problem, and say their diagnosis is confirmed by their sending a car-hop out to drive the jeep for 15 miles with nothing happening. Anyone know the fix - please post. Regards, Jim |
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| I have a new '08 Commander and was hoping for some guidance on some way to lock the spare tire. There has been a rash of thefts of spares (I live in Chicago) - they cut the cable that holds the tire up. Any help is appreciated... | |
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Replying to: officespace (Mar 15, 2009 7:36 am) First time this happened the check engine light came on with the codes: P0700 (Chrysler Transmission Control System fault - transaxle control module fault) OBDII - turn on check engine light P0734 OBDII - the PCM has detected an incorrect gear ratio in 4th gear P0735 OBDII - the PCM has detected an incorrect gear ration in 5th gear Dealer replaced the transmission solenoid (can't find receipt to see exactly what they said) Check engine light hasn't come on since, but the Tire Pressure indicator blinks occaisionally indicating a fault in the tire pressure sensor system (not solid indicating an incorrect tire pressure). Problem still occurs. |
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I am having a simialr problem already discussed and I am ready to trade the vehicle in. I have a 2006 3.7L 4X4 that has a harmonic vibration at 40 mph to the point you would think you are on a rumble strip on the side of the road. It doesn't only occur there, but at 70 mph on the highway as well. It seems like it wants to downshift, but can't. I've had it in the dealer several times and the last time I was there they told me to blame it on the Government ! Their reasoning was the gas mileage restrictions the government has placed on the industry and once it gets into the overdrive gear it doesn't come out until it absolutely needs to. They updated the PCM with the latest shift points, but still no help. I've had the valve body replaced as well as the torque converter. Still has the same issue. Someone help before I loose my shirt and give up on this one.
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Replying to: officespace (Mar 15, 2009 7:36 am) I had the same problem with my 06 4.7 4x4. The transmission started that crazy downshifting and was at the dealership 17 times for various repairs on that problem. Almost every part regarding the transmission was replaced but never the transmission it's self. The down shifting got so bad that the rear axle had to be rebuilt from being jerked around so hard and one down shift locked up a rear tire for a second and burned a complete flat spot in it. Just shortly after having to replace the rear tires (17,000 miles on my own dime), the jeep downshifted while on cruise control at 70 mph and ruined another tire. Unfortunately the Jeep's problems came to a sudden end one night while driving home. The transmission started to bind up, shift violently and then seemed to drop into neutral. I pulled off the road due to the complete loss of power and when I got out of the jeep I heard popping and crackling and then realized that the Jeep was catching on fire. Fire and rescue arrived within 6 minutes and the Jeep had already burned to the ground on the side of the road. After 1 year of investigations and insurance claims, the Jeep was concluded to have burned due to transmission fluid blowing onto the exhaust. In the end it was the insurance company and myself that ended up losing on that vehicle due to an incorrectly diagnosed and not repaired warranty problem. -JP
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Replying to: jasonph (Apr 17, 2009 7:46 pm) |
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Replying to: jasonph (Apr 17, 2009 7:46 pm) That's some bad news, but thanks for the info. Once had a Celica throw a rod through the engine block at 60 mph - didn't think I was going to be able to pull off the road before being engulfed in flames - luckily it was just smoke from the oil on the engine, no fire. The Jeep is currently in the shop having the transmission rebuilt (Jasper rebuilt installed). Took the Jeep to a local repair shop that I've heard good things about. Actually took it to them for an oil change and they gave me more diagnosis information on the trans than the dealer ever did. The dealer said nothing was wrong. The new mechanic hooked it up to his computer and could see where the downshifts were happening in the history log. The dealer solution when I first reported this was to replace: RS10 - Rear Pinion Oil Seal $175 (not related to trans) EN18 - Front Pinion Oil Seal $150 (not related to trans) TR03 - Transmission Cooler lines $275 TR001 - Transmission Solenoid Pack $746 MA23 - Front Differential Fluid - $128 MA24 - Rear Differential Fluid - $128 MA25 - Transfer Case Fluid - $105 Total - about $1,700 That dealer is now a Hundyi (sp) dealer - saw it on the way to the new mechnanic. The new diagnosis is that 3rd gear was slipping, causing the computer to drop into second gear. I'll let you know how the Jasper trans works at $3,000. - Jim
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