Why is my mercury transmission shifting the wrong gears?

Why is my mercury transmission shifting the wrong gears?

The TCM sends signals to the solenoid pack and into the electronic transmission solenoids controlling whichever gear is being shifted. The programming error is causing the wrong signals to be sent to the electronic solenoids, and the Mercury transmission is shifting the wrong gears.

What causes the transmission solenoid on a mercury to jerk?

The Mercury transmission solenoid builds up fluid and causes the gears to jerk when shifting or hesitating during acceleration. This transmission solenoid problem is attributed to fluid seeping from the vents and into the solenoid pack, causing too much transmission fluid to enter the control solenoids.

Are there any problems with the Mercury Cougar solenoid?

Many technical service bulletins (TSB) and consumer reports cite problems with the solenoid in some Mercury models such as the Sable, Grand Marquis, Mountaineer or Cougar. A TSB is published on the 2000 Mercury Cougar concerning the intermittent loss of first and second gear because of a problem with the transmission solenoid.

Are there any problems with the 1997 Mercury Grand Marquis?

See all problems of the 1997 Mercury Grand Marquis . On 08/18/2008 my mother took her vehicle to sunnyvale Lincoln Mercury dealership [408] 732-7000 [she purchased the vehicle there] because she was having problems getting the transmission to go in gear using the gear shift handle on the steering colomn.

Is there a problem with the automatic transmission on a Grand Marquis?

Automatic transmission shifts erratically when in cruise mode, less than 70,000 miles on vehicle, has almost caused accident several times. Have to dis-engage cruise control and shut off overdrive to cure it, and keeps occurring although less frequently.

Why does my Mercury Grand Marquis shift into reverse?

: the contact stated that the vehicle shifted into reverse after it was put in to park. There was no accident involved. The contact believes this is a manufacturing defect and not something caused by wear and tear. This was the first occurrence and the vehicle has not been inspected by a dealer.

What was the transmission problem on my 2004 Mercury Marquis?

New 2004 Mercury marquis. Had car for one day. Attempted to make a quick left turn by depressing accelerator to the floor. Motor started revving up but the car would not move. Let off gas and transmission engaged. After making the turn,stopped the car, still in drive, put the gas pedal to the floor.

Are there any problems with the Mercury transmission solenoid?

The transmission solenoid controls the flow of transmission fluid throughout the transmission of a Mercury automobile. Many technical service bulletins (TSB) and consumer reports cite problems with the solenoid in some Mercury models such as the Sable, Grand Marquis, Mountaineer or Cougar.

What’s the problem with Mercury Grand Marquis automatic transmission?

When shifting vehicle into reverse it would go forward a few feet before going backwards. If shifting vehicle into neutral, it would go forward instead. Driver’s foot was not on accelerator pedal. Problem was intermittent. Taken vehicle to dealership.

Why does my Mercury Grand Marquis make a whine?

Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function. A sign of front pump failure can be a whine type noise. Mercury Grand Marquis Vehicles With This Problem.

Why does my Mercury Grand Marquis go into neutral?

While driving at about 35mph vehicle would go into neutral, , and consumer would have to pull over and restart car. While driving up a hill shifting into second gear, and when moving pawl back to drive, it won’t be able to do so. Also, engine will stall, and there will be no power steering or brakes.

The transmission solenoid controls the flow of transmission fluid throughout the transmission of a Mercury automobile. Many technical service bulletins (TSB) and consumer reports cite problems with the solenoid in some Mercury models such as the Sable, Grand Marquis, Mountaineer or Cougar.

What causes a hard shift on a Jaguar?

The hard shifting and transmission slipping is commonly a result of software inadequacies, which do not account for all variables as the transmission heats to normal operating conditions. In some cases, the automatic transmission may be suffering from a damaged valve body or faulty shift solenoids.

Are there transmission problems in a Mercury Mountaineer?

Our 2004 had trouble after quick stops- the engine would race and then finally shift into gear. It also started to leak. The guy at the transmission shop said that these are notoriously bad tranny’s and they’re only good for about 70K (ours had 63K).

The TCM sends signals to the solenoid pack and into the electronic transmission solenoids controlling whichever gear is being shifted. The programming error is causing the wrong signals to be sent to the electronic solenoids, and the Mercury transmission is shifting the wrong gears.

What kind of Mercon does a Mercury Mountaineer use?

My 2001 Mountaineer’s 4R70W transmission overheats. I replaced the filter and drained the fluid from the torque converter drain plug. I filled the transmission with 12 quarts of Mercon V. The capacity is 13.9 quarts.

Are there any problems with the Mercury Cougar?

A TSB is published on the 2000 Mercury Cougar concerning the intermittent loss of first and second gear because of a problem with the transmission solenoid. The transmission solenoid pack has several electronic solenoids that open and close the desired gear.

Many technical service bulletins (TSB) and consumer reports cite problems with the solenoid in some Mercury models such as the Sable, Grand Marquis, Mountaineer or Cougar. A TSB is published on the 2000 Mercury Cougar concerning the intermittent loss of first and second gear because of a problem with the transmission solenoid.

When did we get a new transmishion on our Merc Grand Marquis?

Had to pay for a new transmishion on our 2005 Merc. Grand Marquis within first year we bought from dealer in 2009. Hesitated when put in gear and slow to catch gear : ( felt Taken… car whines only from 1st to 2nd gear, all other gear switches are fine.

Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function. A sign of front pump failure can be a whine type noise. Mercury Grand Marquis Vehicles With This Problem.


Why does my car not shift into third gear?

Such a problem is automatic transmission won’t shift into 3rd gear. The transmission shifts into the first and then to second gear but does not move into the third gear. It seems that the gear slips into neutral when you push it to the third. Another instance could be the automatic transmission won’t shift into 3rd gear at all.

Can a Mercury outboard go into reverse gear?

I have a 2013, 25hp ELHPT mercury outboard. It shifted into reverse gear with some difficulty, but would not shift back into forward gear. It is not … read more

The Mercury transmission solenoid builds up fluid and causes the gears to jerk when shifting or hesitating during acceleration. This transmission solenoid problem is attributed to fluid seeping from the vents and into the solenoid pack, causing too much transmission fluid to enter the control solenoids.

Can a Mercury 90 hp shift to F and R?

My 2000 Mercury 90 Hp 4 stroke shifts very hard into F and R. I just purchased this motor and was told by the original owner it has always done this. Any info????

How to fix when automatic transmission won’t shift into?

The PCM will have no input if the speed sensor fails. In that case, the transmission will not shift properly. To solve this problem, you have to check the speedometer to see that it is functioning. Otherwise, replacing the VSS could be the solution. Tsukasa Azuma is an awesome car blogger of Car From Japan.

What causes transmission to shift hard from 2nd to 3rd Rd?

Mind you, lack of adequate lubrication on transmission could cause rough shifting too. Fluid leakage is the next possible cause of transmission shifting hard from 2nd to 3 rd The transmission is a sealed system which needs to retain is fluid in it in other to function properly.

What happens when you reset the transmission shift points?

It is not going to make your shifting abnormal. If your gear shifts are abnormal you have something else going on. Resetting the transmission shift points makes the transmission the same as when the car is out of the factory. Within 30 driving cycles, the ECU will monitor your driving habits and adapt the shifting points to your driving style.

What happens when you shift your transmission hard?

When the transmission shifts hard, it can damage internal components including valve bodies, hydraulic lines, and in some cases mechanical gears. If you notice your transmission is shifting harshly or roughly, you should contact a local ASE certified mechanic as soon as possible.

Why does my Taurus Sable not shift gears?

Out of no where The Transmission goes haywire, won’t shift, wont go in gear, loss of reverse gear, shifting out of sequence, dropping into lo-gear. My first thought is some electronic gizmo in the tranny has quit functioning. diagnosis from local tranny shop?

Why is my Taurus Sable not starting in Park?

It just started having problems starting in park like the battery was dead but it was not – turns out it is the neutral park switch not being made due to excess play in the shifter on the steering column. It is normally supposed to stay in park when you are trying to start but you can move it to another notch like neutral to get it started.

A TSB is published on the 2000 Mercury Cougar concerning the intermittent loss of first and second gear because of a problem with the transmission solenoid. The transmission solenoid pack has several electronic solenoids that open and close the desired gear.

Why are my Transmission solenoids not working properly?

Once too much fluid builds up in the control solenoids of the transmission, the solenoids do not open and close properly. The gaskets on the transmission vents need to be replaced to correct this problem.

Why is the transmission solenoid still closed on a Mercury?

The transmission solenoid is remaining closed for the first and second gear, preventing fluid from entering the gears when accelerating. This requires a complete transmission overhaul or replacement because the transmission solenoid is inside the transmission.

Can a car shift gears without a downshift solenoid?

Downshift solenoids are an important transmission component, and without them, the vehicle will not be able to shift gears properly, sometimes even to the point of rendering the car undriveable.

How does acceleration affect the gear transmission system?

The issues with acceleration can lead to gear transmission problems as the ECM doesn’t get the correct information about the acceleration. This leads to incorrect shift points which can cause both early or delayed shifts.

What are the signs of a bad Shift Solenoid?

One of the first symptoms of a bad or failing downshift solenoid is erratic shifting. If the downshift solenoid has any issues, it may cause the vehicle to behave erratically when downshifting. A bad or failing solenoid may cause the vehicle to experience hard or erratic shifting when slowing down or coming to a stop.

Downshift solenoids are an important transmission component, and without them, the vehicle will not be able to shift gears properly, sometimes even to the point of rendering the car undriveable.

Why does the transmission stay in a higher gear?

The transmission may stay engaged in a higher gear for an extended period of time when it should be downshifting. This will cause the engine to over rev, and may put additional unnecessary strain on the engine and transmission.

One of the first symptoms of a bad or failing downshift solenoid is erratic shifting. If the downshift solenoid has any issues, it may cause the vehicle to behave erratically when downshifting. A bad or failing solenoid may cause the vehicle to experience hard or erratic shifting when slowing down or coming to a stop.

How to tell if an automatic transmission is failing?

Common signs that this component of automatic transmissions is failing include erratic or late shifting and the Check Engine Light coming on. 1. Erratic shifting 2. Late shifting 3. Check Engine Light comes on

What kind of car won’t shift out of second gear?

If you own a Chrysler vehicle and it won’t shift out of second gear, read this post. If you own a Chrysler, Dodge, or Plymouth vehicle and discover that the transmission will shift from first to second gear but will not shift out of second gear, your vehicle has locked itself into “limp-in” mode.

Can a bad transmission shift solenoid cause hard shifting?

You may also have intermittent problems with the transmission shift solenoid, which will cause shifting problems. This can cause hard shifting or shiftings at too low or too high RPM, for example.

What happens when the transmission goes out on a Mercury Sable?

Driving down street, stoped to turn, then accelerated when transmission went out, no warning signs just went out, no reverse or forward use. Sent car to repair shop and told no codes show up on computer no signs of leaks or damage to transmission, bad torq converter.

Is the Torq converter on my Mercury Sable bad?

Sent car to repair shop and told no codes show up on computer no signs of leaks or damage to transmission, bad torq converter. Keeping old converter after hearing of similar problems with other vehicles that share same transmission.

What causes a car to slip in the gears?

A faulty torque converter is a very common part that can cause a slipping transmission. The torque converter is the part that is working as a clutch in automatic transmissions. It is filled with transmission fluid, and it is using the fluid to convert power from the engine to torque to the wheels.

Why does my transmission fluid keep slipping in my car?

If the transmission fluid burns, it becomes ineffective. This can cause issues with most functions in your transmission and can therefore also cause your transmission to slip. If your transmission fluid smells burnt, it is definitely time to change it or replace any faulty parts in the transmission causing it.

When did Mercury change the name of the Grand Marquis?

For 1983, the Grand Marquis was expanded to an unnamed standard trim and the top-trim LS. The former effectively replaced the Marquis Brougham (the Brougham nameplate was adopted by the mid-size Marquis) and the latter was a trim designation adopted across the Mercury model line during the 1980s.

How to test shift solenoids on GM 4.3L?

In this article, I’ll show you how to test the transmission shift solenoids (specifically 1-2 solenoid and 2-3 solenoid) on your GM 4.3L, 5.0L, 5.7L pick up, van, SUV. You’ll be surprised just how easy it is to diagnose these shift solenoids when they have failed.

Why does my MerCruiser die when I shift to idle?

Sounds like you may have a shift cable that is bad. If that is the case, it is activating the shift interrupt when going into gear and causing the engine to die. Have someone look at the switch to see if it is engaging when you shift. You may have other problems as well, but that is where I suggest you start looking.

You may also have intermittent problems with the transmission shift solenoid, which will cause shifting problems. This can cause hard shifting or shiftings at too low or too high RPM, for example.

What makes a MerCruiser go forward or reverse?

When the boat is put into forward or reverse, that triangle of plastic moves up and down (in the pic — starboard and port in the boat). When it goes the blue way, the switch contact moves fore and presses the button on the switch (yellow arrows). That cuts off your cylinders and allows the gears some time to mesh.

What happens when downshift solenoid does not work?

If the downshift solenoid fails or has an issue, the vehicle may experience late shifting when slowing down. The transmission may stay engaged in a higher gear for an extended period of time when it should be downshifting. This will cause the engine to over rev, and may put additional unnecessary strain on the engine and transmission.

What does it mean when your car wont shift out of second gear?

To the TCM that can mean one of two things; either the sensor is bad, or there’s an internal problem with the transmission. Connect your scan tool and start the engine, leaving the transmission in PARK.

How to find the Mercury check engine code?

Mercury Check Engine Light Codes 1 Refer to our Generic OBD II code list for definitions on all other Mercury diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1000 4 P1001 5 P1039 6 P1051 7 P1100 8 P1101 9 P1105 10 P1106

Is the 1991-94 Mercury Capri a rare car?

Perrya shares his experience working on his own Mercury Capri. The 1991-94 Mercury Capri will be a rare car by 2020, 30 years after it was first made. Only 66,000 were made worldwide, and fewer than 40,000 still exist.

Why does my Capri engine keep shutting down?

With some effort you can often keep your Capri going. The Capri, like any car, does have its idiosyncrasies. Fuel pump. For instance, the automatic fuel pump will shut down if the car is lightly bumped by another car or a bad pothole. It was a safety issue. People buying the Capri nowadays may have no clue about this issue.

Which is the best forum for Mercury outboard problems?

This is the best Mercury Outboard Forum on the internet, it’s yours! If you own a Mercury Outboard. Are you looking for good advice about your Mercury outboard engine problems and issues.


What does it mean when your transmission won’t shift?

  If your transmission is running low on transmission fluid, the first symptom is usually a hard shifting condition, meaning your car will jolt forward when it shifts.   With enough fluid loss, your transmission will eventually be stuck in one gear.