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Ford Crown Victoria/Mercury Grand Marquis: Transmission/Suspension

87 messages,  Last post on May 18, 2009 at 10:29 PM

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What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Suspension, Transmission, Sedan

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#48 of 87 '91 CV LTD wagon. Is Mercron backwards by teachinjose Sep 15, 2007 (7:31 pm)
Replying to: jsylvester (Sep 01, 2007 6:20 am) compatible w that car, too? I bot over $200 worth of Amsoil fluids and want to make sure they're okay for my old "tuna boat". The factory rep said they wear.   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.
#49 of 87 may have an your answer by tdock Oct 03, 2007 (5:54 am)
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. Replies to this message: euphonium (Oct 03, 2007 8:37 am) captain131 (Oct 05, 2007 7:38 pm)
#50 of 87 Re: may have an your answer [tdock] by euphonium Oct 03, 2007 (8:37 am)
Replying to: tdock (Oct 03, 2007 5:54 am) Excessive heat is the No. 1 enemy of AT's. At only 67000 miles, an auxillary transmission cooler is an excellent idea. Examine the 10,000 lb model.
#51 of 87 Re: may have an your answer [tdock] by captain131 Oct 05, 2007 (7:38 pm)
Replying to: tdock (Oct 03, 2007 5:54 am) My problems were many, but what ultimately got the traction control problem solved was a new ABS module and a reflash of the PCM. Turned out that the part # on the ABS that was provided to Ford for the replacement months ago was the wrong part #, albeit this part # came right from the module installed in the car. The only explanation that makes any sense is that the original ABS module was replaced with the wrong one. So replacing the wrong module with the wrong module again obviously doesn't solve anything. We proved it to the Ford service dept (they tried charging me another $700 for a different module), but got them to relent and take back the wrong one and replace with the correct one. Everything seems to be back on track, to use a bad pun... Thanks to everyone for your input.
#53 of 87 Re: transmission problem w/ '02 Crown Vic [crownvic2] by pepperdog Nov 22, 2007 (7:51 pm)
Replying to: crownvic2 (Apr 29, 2006 7:55 pm) take some electrical contact cleaner and spray the mass airflow sensor. This will clean it, and might solve the driveability situation.
#54 of 87 transmission/engine noise by pepperdog Nov 22, 2007 (7:58 pm)
I have a 2003 Crown Vic Police Interceptor with 35000 miles on it. It was a light duty car for the Sheriff and his deputy, and never used for patrol. My problem is that it seems the engine and transmission roar louder than they should on acceleration. I have a 1995 CV and it is quiet and does not roar on acceleration. I know the 1995 car has lot's of insulation whereas the cop car has a vinyl mat and very little sound damping. Everything works correctly and the car runs great..no issues with tranny or motor..except they seem a little loud. Also, the gas pedal is hard to push..it seems to have a lot of resistance, and gets very tiring on long drives without cruise control. It doesn't seem like it is binding, just hard to push. Can the accelerator cable be adjusted?
#55 of 87 Crown Vic transmission slipping? by pacobun Dec 02, 2007 (8:22 am)
i have a 2007 Crown Vic with 33K on it. I am having a problem whereby anytime the roads are wet, the powertrain seems to act out. It will usually happen when snow or ice are on the ground, but this makes no sense to me. First, the car will feel like a skip hits it. Then eventually, a lit wrench appears on the dashboard. The engine lihgt also illuminates and remains on. The cruise control also goes out. If i restart the car, everything is back to normal until the skip happens again.   I had this on my 2006 crown vic, and the dealership didn't know what the problem was because I could never get it there with the wrench lit. Anybody know what i'm talking about or have experiences with it?
#56 of 87 output speed sensor insufficient input by sparky28 Dec 02, 2007 (1:50 pm)
2001 Grand Marquies 4.?L engine 32 K miles. The service engine light came on and the overdrive on/off light began to blink. Took it to autozone for a scan and it came up with the output speed sensor insufficient input code P0720. Is this possible it's just a bad sensor or can this be an input problem to the sensor? I can cycle the O/D button on the shifter a few times and the light will stop blinking on and off. Does anyone know where the sensor is located? Is this something I can change while changing the transmission fluid?
#57 of 87 Re: tranny slipping? [captain131] by bestracer500 Jan 26, 2008 (7:19 pm)
Replying to: captain131 (Sep 14, 2007 2:34 pm) Hey just wanted to say that i have a 1991 crown vic and the tranny went out and i believe what your probably expering is either the od band is out or there may be a throttle valve which is a cable that goes from the top of the motor to the tranny and the top piece is mad out of teflon and it has gotton hot and burnt up. if those are not the case check the rear end my went out with the same shuddering and when it went out i was going down the insterstate and the axle and all flew out so be carefull. anyway i have work on tranny for the ford people for 19 years and there just saying they dont know couse they don't want to work or they want to wait for the right time so they can rip you off. just chek those couse after i fixed mine rear end and tranny i have never had trouble. i have owned 3 crown vics and all have had tranny trouble. good luck

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