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Ford Crown Victoria/Mercury Grand Marquis Transmission/Suspension



  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    A set of Michelins is in your future. Our Town Car has the Michelin X and the T Bird has the Michelin Hydroedge. Both tires carry cars with over 111,150 miles on them & they are smooth and vibration free.
  • Is the bolt you found a "Torx" or "star" shaped drive? It is possible that the 2 bolts that retain the shifter cable linkage bracket at the back of the steering column have come loose, and one of them fell out. Simply reinstall them with blue loctite thread locker and the correct Torx bit driver and rachet. If the bolts are verified loose, this will cause multiple concerns with the trans linkage and your ability to put the trans in park. Good luck!! (an easy repair, if you have the correct bit and a flashlight) Just follow the shifter cable up the column, be sure to set the vehicles parking brake and be on a flat, level surface. It couldnt hurt to block your tires as well!!
  • My poor cars rear diff spews silvery grey goo
    It's all too evident what I need to do.
    I open my wallet to part with my money,
    My mechanic smiles and says "Thanks again, sonny!"
    But before I do, I come before you,
    and hopefully will walk away with a clue.
    How much cash will I need in hand
    before I go to mechanicland
    for a shiney new differential, and some fresh fluid too
    so my car won't spew that silvery grey goo?

    (in regards to a 05 Grand Marquis LS)
  • fordtransman,

    My shifter was loose on my 92 Grand Marquis so today I went under the dash and found the two torx bolts you talked about. They were lose so I tightened them as best I could without the correct torx driver. In looking for the correct size of these bolts I found your post. Do you know the size? My biggest is T20, way too small.

  • I have a 92' Ford Crown Vic and just recently, I noticed that my car has started tripping! It gets first and second gear fine but it hesitates and sometimes never gets out of second gear. It's an automatic transmission of course, and before I let a mechanic rape me and tell me I need all this unnecessry stuff...I wanted to get some advice on what I should try to do. I was going change the filter and fluid, but I just wanted to get some advice on the matter first.
  • I'm trying to see what would sound good as far as a system to put in my 92' Ford Crown Vic. I was just trying to see if there was anyone out there that had my type of vehicle and had a nice sounding system that could give me some ideas as far as what size speakers, what type, and how to set up the system. Hit me up with some suggestions please!
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    The car's mileage? Recommend you change the transmission & torque converter fluid and filter.
  • I kinda figured and hoped that was the problem. I bought it from a place and I said that I probably needed to go ahead and change the filter and fluid anyway but you just gave me confirmation as to what I was thinking. I just drove it again a while ago and it was shifting into 4th gear a little hesitantly but it was shifting so that's a good thing I guess. Thanx for the input
  • You should first check if the overdrive (if is equipped) is not disengaged.
    If working correctly, the overdrive mode will shift first through third gears and then into overdrive.
    If, on the steering wheel stalk (on the right side of wheel)
    is depressed, then overdrive has been de-activated and a light denoting this (usually in green) should be displayed on the dash, indicating OD/OFF.
    It is possible that you are in OD/OFF Mode, and perhaps it is malfunctioning.
    Good luck diagnosing.

    Sincerely, The Legendary Danny O'Doul
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    You are correct.

    In addition the OD transmission automatically reverts to using OD upon a fresh start of the engine.
  • It doesn't have an OD button, it just has the standard display and gear shift. I've noticed that at times when I am driving it gets all the first gears smoothly but on the last gear it hesitates to get that one and when it does get is when I'm going at least 45 or 50 mph when it hesitates but then slowly shifts to the last gear. If I accelerate and the speed makes a sudden change it doesn't go back to that just sounds as if I am in the previous gear. Could that be the shift sensor?
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    The O'D button is at the center end of the directional lever, hard to see from the usual point of view. Try pushing in the end of the gear shift (directional lever) & see what happens. Otherwise, read the Owners Manual as to its location.
  • Hey thanks for the info...I read the owner's manual and it states that it is a automatic transmission with built in overdrive. It states that once the vehicle reaches a cruising speed it should shift into fourth gear but that is not happening. So, I was gonna take your advice and go ahead and get the filter, fluids, and torque converter fluid changed but do you think that it would be an issue with a shift sensor?
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    Not knowledgeable regarding the shift sensor, however, after the fluid, filter change, see how it operates.

    I've two Ford O/D's each with over 110,000 miles and haven't changed the shift sensors in either, just the oil and filter change in the transmission every 30 to 40 thousand miles.
  • I was wondering if you could give me any insite on the windows. My motors are functioning, but the windows down let up or down and as a matter of fact they slowly but surely fall. Would that be due to the plastic teeth in the window gear kit being worn or does that have anything to do with the regulator?
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    Re: Plastic teeth on window roll downs, don't know. What I have learned is to avoid slamming the doors. Door slamming seems to shorten the life of those little motors in the bottom that power windows.
  • 1999 cvi I backed out of a parking space and when I went to shift from reverse to drive I have nothing.The transmission is in netural.
    I tried to shift it manualy at the transmission with no results other than it is no longer in netural.
    Any help would be appreciated.
  • My 1996 ford crown vic police interceptor shifts rough. Not really noticeable when cold but when hot you can feel it shift rough up and down.
  • To all that may know....please answer this question that I am not 100% sure of. I have a 92' Ford Crown Vic. I noticed that my speedometer needle had spuratic movement so I changed the speed sensor. The sensor is electronic and does not use a cable on this model car but after changing the sensor, the speedometer is not working at all. Do I need to have the system reprogrammed and if so, will disconnecting the battery cables reboot the car's system?
  • normhanormha Posts: 3
    EGR valve & tube replaced and still engine lite on.Has anyone any ideas.
    Carbon build up???
    valve is working when tested.
  • uzikanuzikan Posts: 1
    i have a crown victoria 2008 fleet car with 62 k miles and when i drive on roadways at between 35 and 45 miles per hour when i release the gas pedal all over sudden a second or 2 later as the gas pedal goes to normal the car will show speedometer self accelerating speed goes up by itself for 1 or 2 seconds and release itself by itself my question is what can be the exact problem as i took the car to a complete computer check up there is no codes in the data and no check engine light as this car is driven about 18 hours a day it happens about every 2 days about twice a day its very scary that all over sudden the car accelerate by itself at speeds between 35 and 45 miles per hour oh by the way there is no cruise control on this car i'm first owner i did buy car new with 4 miles from a new car dealer car never had as new nor now a cruise control may some 1 please help with an idea of what can this problem be, thanks in advance for all answeres . uzikan.
  • dj7tryppdj7trypp Posts: 3
    Ok, so at first all it was doing was slipping in fourth after 45mph. Then it only had second gear and I decided to start overhauling the drivetrain. I have replaced both control boxes under the dash, changed the fluid and filter, checked the shift linkages and made sure the transmission was fully engaging the gears. After I put it all back together it only had first. Then it had first and second, and then even third for a short period of time. Now it's back to just 2nd and it makes a slight grinding noise in reverse. I am looking at a master overhaul kit, shift kit, and torque converter from b&m. Anyone have any suggestions?? and how do I adjust the kick-down cable??
  • As i was approaching a sharp left turn, i released the gas and car suddenly accelerated turning close to 4000 rpm. Applied the brake and it would not slow down the car and i went straight thru [ small country road] Quickly put transmission in neutral and engine slowed to normal. Went down the about 2 blocks and turned left into a driveway and this senerio repeated it self. Drove fine after that. Can anyone help me with problem. Thank you in advance,newbie Donavan2
  • I want to drop my auto tranny in my Mercury and install a 5 spd manual where should i start looking ? in a Mustang ? maybe a 2wd f-150 ? which one and what years would be best ?
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    Are there computer challenges to solve in this modification?
  • Hello, I am looking to buy a 2000-2005 Crown Vic RCMP car. I have heard that they have a strickt maintenance schedule which includes engine and transmission changes. Is there a preffered KM range where one should have a new engine and/or transmission, or is it basically the lower the KM the better? Are these good reliable cars and is there anything specific that I should looking for on these cars? I have owned a 1993 Caprice RCMP car, and that thing was incredible. I sold it around 400,000 KMS for something a little cheaper on gas and even at those KMS it still ran great. I am hoping that these police cars are as durable and reliable. Thanks for any information and help.
  • euphoniumeuphonium Great Northwest, West of the Cascades.Posts: 3,425
    Every police car has been treated differently & run in a wide variety of ways. When you choose a low KM car, you might be getting one with an engine with lots of hours on it due to long periods of idling. To choose the best, drive them all, but if you do purchase one, change all the fluids including the pinion housing & replace with Synthetics. If you are good at the Casinos, try your luck in Regina.
  • cmedeariscmedearis Posts: 1
    I have a 07 Crown Vic and on my way to work I notice smoke. The car was not running hot but when we looked under the hood, there was transmisson fluid everywhere. Can someone please help me with this problem
  • gbh2gbh2 Posts: 1
    I would like the default startup condition to be overdrive off and then change that by pressing the OD button. I would always like the startup to be overdrive off just the opposite of the factory setting. Is there a way to do that?
  • selma2selma2 Posts: 2
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