Question about 1991 Mercury Grand Marquis

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Trasmission all of a sudden not shifting correctly

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Check your fluid level if that is good you can try a filter and fluid change but I would have the transmission checked at a shop.

Posted on Jul 07, 2010

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1995 nissan sentra automatic trasmission will not go into passing gear


Gear shifts happen depending on how far the gas pedal is
pressed & the load on the vehicle

Transmission pressures change as you drive under different conditions,so the shifts happen at different speeds

There is no passing gear

If you have a 4 speed,you have 3 forward gears & an overdrive
forward gear, plus torque converter lock-up

You saying you have no 4th to 3rd downshift or whatever

Maybe the transaxle is failing mechanically inside-worn out

Mar 15, 2014 | Nissan Sentra Cars & Trucks

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Hi there, I have autotransmission for mercury mystique 1995 LS 4 cylinders,it shift from 1 to 2 and from 2 to 3 so easily but from 3 to 4 the odometer speed goes from 2500 RPM suddenly to 4000 RPM and the...


Hi there,

The Check Engine light is primarily for faults relating to the engine emission circuits.

The condition you have described above means you have transmission "slippage" in the 4th gear / overdrive circuit. This can be caused by many factors.

Changing trans fluid is always the first step, but...

1) Use ONLY FORD approved trasmission fluids (specifically for your Mercury) - do not use any other brand/type, unless specified.
2) Fluid level MUST be checked correctly - while idling, move lever through all gears, resting lever in Neutral, then checking level.
3) NEVER overfill the trans above required level - this could cause the same symptoms as underfilling (foaming etc)

Your vehicle should be checked for diagnostic codes from the Trasmission Control Module (TCM) or Powertrain Control Module (PCM). I'm confident one or more codes (between P0700 - P0999) will be stored in memory, allowing you to identify the suspected circuit.

Until this diagnostic check has been performed (will only take 15mins by an experiences Ford technician), you should not attempt to replace any further parts.

Hope this helps....

Nov 01, 2011 | Cars & Trucks

1 Answer

I RECENTLY CHANGE MY TRASMISSION FLUID AND NOW MY TRASMISSION DO NOT ENGAGE AFTER 60 MILES AND MY RPM KEEP GOING HIGHER


Did you change the filter and the 5 qts of fluid or have the whole system purged with 13 qts and no filter? Did you use the right fluid? Did you check the fluid after driving the car a few miles? How was it running before the change? It is possibly coincidence that the tranny is not shifting, The fluid change would not cause that unless you didn't put in enough fluid or you put in the wrong stuff. The first sign of low fluid is not shifting, check it out, hope this helps.

Jul 03, 2011 | 2002 Hyundai Santa Fe

1 Answer

2005 Corolla's manual trasmission shifts gears, it clunks


hi mate , sounds like the SPIGOT bearing its a little bearing that allows the gearbox to be at a different seed than the engine flywheel and if this is in bad condition it will take the gearbox front shaft to a higher speed than comfortable for gearshift , in the meantime when you go for 1st or reverse gear just engage a gear like 4th without taking your foot off the clutch and then go for 1st or reverse, this will stop the gearbox spining long enough for a smooth shif, oNLY USE THIS METHOD WHILE STaTIONARY and see a professional when you get time.

Mar 29, 2010 | 2005 Toyota Corolla

2 Answers

Trasmission dont take 3 shift n drive


check vss and TPS if they are okey check valves shift and wiring

Nov 22, 2009 | 1999 Chevrolet Blazer

1 Answer

Tranmission seems to come out of gear at various speeds.


Make sure you have the right transmission fluid chrysler has a special type of trasmission fluid I believe it ATF+4. change the fluid and filter and the add three quarts of ATF+4 and one quart of "Lucas transmission slip. This should fix the problems. Mike

Sep 25, 2009 | 2002 Chrysler PT Cruiser

1 Answer

My van hesitates when going from a stop sometimes when i am speeding up it doesnt want to shift my brother in law thinks that it could be the transmission but what else if anything else could it be


When was the last time you changed the trasmission fluid in your van if it has never been done do it and the filter aswell, before you change the trasmission.

Sep 12, 2009 | 1998 Ford Windstar

1 Answer

TACH DOESN'T WORK SPEEDOMETER DOESN'T WORK TRASMISSION DOESN'T SHIFT CORRECTLY


Try replacing the speed sensor, I am having a similar issue, except for mine has no tachtometer, you may have two one is a vehicle speed sensor, the other is sometimes called a vehicle speed buffer, one is on the transmission, and if the other one exists if will be in your dash

Feb 22, 2009 | 1995 Chevrolet C1500

1 Answer

TRANSMISSION


if you dont have some kind of warranty try to put and aditif in the trasmission it will lub the body valve of trasmission and hopefully it gonna solve our problem if not$$$$$$$$$$$$$$$$$$$ thank you pierre from montreal

Jun 23, 2008 | 2002 Chrysler Sebring

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