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Ford Crown Victoria and Mercury Grand Marquis

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

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#2249 of 3244 Re: 98 GM trans clunk/startup valve [dadoctor #2248] by dadoctor May 06, 2004 (7:10 pm)
Replying to: dadoctor (May 06, 2004 7:09 pm) Regarding 3), the last item requiring replacement was the egr valve.
#2250 of 3244 New CV owner by postmamzz May 09, 2004 (7:23 pm)
Thanks to all the regulars on this site who helped me solidify my decision to buy a 1996 grandma driven CV. The car seems very solid in all respects and has had regular oil changes etc. Seeing how it has almost 100K on it I want to do some preventive maintenance right away to ensure long life and to prevent any breakdowns. After reading these posts, I know I need to have the tranny flushed and serviced (very slight shudder when powering up a hill at around 40 mph). What would you guys suggest next as far as PM? belts, hoses, rear end? Any suggestions from experienced CV/GM owners would be much appreciated. Thanks.
#2251 of 3244 Differential at 100,000 by jsylvester May 09, 2004 (8:19 pm)
Ford recommends replacing the rear differential fluid every 100,000 miles, or immediately if the rear end was ever submerged in water.   It is a fairly easy service - any Chiltons manual will show how to do it.   On the transmission fluid service, make sure the torque converter is drained as well, and that the newer Mercron V synthetic fluid is used. Ford covers it's butt from potential leakage problems by not recommending it for pre-96 (I think) transmissions, but it will work with no problems.   Other than a few sensors now and then, just keep up the maintenance, and the car is golden.
#2252 of 3244 starting problem by 2k1olds May 12, 2004 (2:02 am)
My dad has a 99 Grand Marquis that cranks but will not turn over. The car gave no warning and it had to be towed in. Fuel pump?, filter?. Anyone else had this problem? Replies to this message: hotrodlincoln1 (May 13, 2004 11:56 am) joe3716 (Jul 22, 2005 11:05 am) joe3716 (Jul 26, 2005 4:49 pm) mr5x5 (Aug 19, 2005 12:15 pm) harmar2 (Aug 20, 2005 7:55 pm) joe3716 (Aug 25, 2005 10:21 am) and 1 more...
#2253 of 3244 Re: starting problem [2k1olds #2252] by hotrodlincoln1 May 13, 2004 (11:56 am)
Replying to: 2k1olds (May 12, 2004 2:02 am) When you turn the key, can you hear the fuel pump cycle? If not, start with the inertia switch. This is meant to be a safety feature that shuts fuel off in the event of an accident, but sometimes they get tripped when hitting a bump or in other rough driving. I've never had to mess with mine, but I believe access to the switch is in the trunk. The shop manual should have detailed instructions for resetting it.   If the fuel filter hasn't been changed, it's not a bad idea to change it. If they haven't moved it, it should be located on the inboard side of the passenger side frame rail forward of the rear tire.   If you determine that the fuel system is working, the next step is to check for spark and troubleshoot the ignition system as needed.
#2254 of 3244 My 1997 Crown Victoria by henry_c May 15, 2004 (3:48 pm)
Question. I have Four Catalytic converters on my Vic and I am wondering are they Really necessary to have Four of them? Can I have two taken off and still pass smog. I know it will change my horsepower and my fuel consumption. But how much would it change the horsepower and fuel consumption. My Vic runs great. but that model year only came with 190 hp on the 4.6 . I have a K&N air filter on it and am planning on having the exhaust system changed next month to dual exhaust. Suggestions on the Catalytic converter issue and would it be better to have dual exhaust Or a single exhaust with a three chamber muffler and two inch tip? Oh, and the car has 100,600 miles on her. Well maintained.   Henry Replies to this message: hotrodlincoln1 (May 20, 2004 12:23 pm) henry_c (Jun 04, 2004 4:36 pm)
#2255 of 3244 Re: My 1997 Crown Victoria [henry_c #2254] by hotrodlincoln1 May 20, 2004 (12:23 pm)
Replying to: henry_c (May 15, 2004 3:48 pm) I'm not sure, but I think you have to keep all the cats in order to comply with federal regulations. It would be best to ask your local authorities what they will accept, since enforcement varies widely. If you think your cats are bad, you can have them replaced. High-flow replacement cats are available, but they aren't cheap.   You can get performance out of a dual exhaust or a single, but if you keep the single, it needs to be much bigger than 2". If I wanted to go that route, I would get at least a 3". Your best bet would probably be a dual system with a crossover (H or X) pipe. Choice of muffler depends on your noise preferences. I prefer straight pipes or glasspacks myself. Replies to this message: henry_c (Jun 04, 2004 4:36 pm)
#2256 of 3244 2001 Grand Marquis by whitpg22 May 27, 2004 (11:58 am)
With approximately 47,000 miles on my car, my overdrive went out, subsequently requiring me to replace my transmission. The dealer stated that what occurred was something they don't often see. I don't have much technical knowledge, but was curious if any others had experienced problems so early? Thanks.
#2257 of 3244 Overdrive by jsylvester May 27, 2004 (8:23 pm)
Myself, I've never heard of one going out before. I've heard of torque converter issues from bad fluid, but even then that is fixed by merely replacing the fluid. Replies to this message: e_gillman (May 28, 2004 7:16 am)
#2258 of 3244 Re: Overdrive [jsylvester #2257] by e_gillman May 28, 2004 (7:16 am)
Replying to: jsylvester (May 27, 2004 8:23 pm) I've been told that the transmission fluid should be changed every 25-30K miles on our cars. Especially if you drive alot of short distance driving or heavy traffic. I change mine every 30K miles and have no problems so far at 72K miles. Is it possible the fluid was never changed and that this may have caused the problems?

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