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Sedans Ford Crown Victoria/Mercury Grand Marquis Ford Crown Victoria/Mercury Grand Marquis: Transmission/Suspension
87 messages, Last post on May 18, 2009 at 10:29 PM
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Replying to: brucelinc (Jun 09, 2006 4:56 am) Thats funny, I have single exhaust and the handling package, so that statement would be false, just wanted to correct you on that. |
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Hi everyone, I inherited my father's '91 CV wagon, LTD, w the 5.0 and it's been great, but the tranni has been whirring at about 40 mph for the last 2 yrs. or so. To compensate, I start in overdrive, 0 to 40, hear the whir, switch to drive, then accelerate to 60, when I can get back into OD again to save gas. If I don't do this, the trani makes this slipping sound and the car hesitates. I switch the gears cuz I don't want to wreck the transmission. ( I had an '85 Buick Cent. T that took 6 rebuilt tranis,(GM 440's), but got 185K miles out of it.) Any ideas on how to fix this? Thanks. Teacher in San Jose |
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| yes i have a 97 vic. and sometimes when i excelerate the engine revs for a few second then it will shift. what could the problem be and how and how much does it cost to fix | |
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Replying to: hyphy (Aug 30, 2007 6:05 pm) |
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Replying to: hyphy (Aug 30, 2007 6:05 pm) The poster above is correct in regards to the fluid to use - Mercron V is backwards compatible with all Grand Marquis back to 1992. This is just my personal preference, but when I change the fluid, I drop the pan and change the filter as well - in my mind power flushing just forces all the dirt in the filter back into the transmission. That will also allow your mechanic to see how much trash is attached to the magnet in the pan, and whether there is something more serious to fix.
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Replying to: jsylvester (Sep 01, 2007 6:20 am) I have a 99 Grand Marquis that has had major issues, but only has 44K miles on the engine. I should preface this that my mother bought it back in 2001 with 21K miles on it. She knows nothing about cars, and the ford dealer at the time took advantage of her (IMHO). She never did a carfax (not that she would know what that is) on it, but I have since. It was originally owned by a "major car agency" (I believe that's speak for a rental) in Virginia. They shipped it to MA and she bought it. Over $6,000 later (not including the cost of the car) I have had numerous issues. I have an extremely trustworthy mechanic and excellent diagnostician when it comes to cars of all makes - but this one has stumped him for the past 4 months. We had a total of 21 bad codes on the computer and after taking things apart we found evidence of salt water corrosion. Anywho, the car would drive at any speed and suddenly shut off - very dangerous. He was able to fix that. Down to one last problem - could use your thoughts: When driving in OD, usually b/w 30 and 60 MPH, the car shutters a bit and the trac control light comes on. It happens occasionally when I'm driving with the OD off, but very infrequently. My mechanic has replaced every module and computer and bypassed wiring harnesses with clean, direct connections, to no avail. He brought it to a local Ford dealer, explained the situation, and they were at a loss as well. They mutually decided to replace (I believe) the traction control/ABS (?) module and reflash the computer. Still no joy. Any thoughts? I'm thinking it's a tranny issue, but he already flushed and filled with Merkon V. He has gotten to the point where he has stopped charging me any labor, but that always puts me on the back burner when it comes to him fixing cars. I don't want to go somewhere else and start over again, and I certainly am not interested in going to Ford dealer as they seem to not give a crap. Any thoughts, ideas, suggestions ???? Please - If this car had theft on it I'd actually consider drastic measures....
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Replying to: jsylvester (Sep 01, 2007 6:20 am) Also, do you think it's rational to want to keep the ol' girl running? The engine is strong,5.0L/150 hp, and it needs about $1500 in body work. Interior's very clean. This is the most comfortable riding car I've ever had, and I'd like to drive it for a couple of decades more, maybe even past that! Thanks for all the tips. |
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I too had the same problems with my gm. At speeds of 38 to 42, mostly going up a hill the temp light would come on followed by the traction control light. I could feel the transmission not locking up. My gm is a 2000 with 67200 miles on it. And was also a former rental. I just got the car out of the shop yesterday. They rebuilt the transmission. The torque converter was the real culprit. It burn out out the overdrive band in the tranny. By talking to the tech that fixed my car, this is a common problem with these transmissions. Luckily for me I had 40 miles left on my extended aftermarket warranty and the repair was covered. The cost of the repair was just under $1900.00. Hope this helps.
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Replying to: tdock (Oct 03, 2007 5:54 am) |
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Replying to: tdock (Oct 03, 2007 5:54 am) Thanks to everyone for your input. |
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