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Can a bad output speed sensor cause a transmission to leak?

Can a bad output speed sensor cause a transmission leak? 2000 Chrysler 300M. Midas said this was the problem and replaced the sensor and the transmission plug.

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There is a small o-ring seal so I would say it is possible

Posted on Jul 15, 2009


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How to change the vehicle speed sensor for 2000 300m

Can be located on the output shaft of the transmission. Look for 2 or 3 wire harness leading to a black object near the rear of the transmission closest to the drive shaft.

Aug 03, 2012 | 2000 Chrysler 300M

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I need to replace the speed sensors on my 2000 Chrysler 300m? I am not sure where they are so I really need help locating them. Also any tips would be great.

There is an Input and an Output on the Driver side of the transmission and they lay behingd the starter on the trans body and are horizontal to the piping. for the price, I replace them Both. The one nearest the front of the trans is the INPUT. the once farthest away is the output. Together they are about 50 bucks, and to me, it is not worth testing or climbing under there unless you really want to. Then you need a booik to tell you the values of each sensor- and that takes time. Time is money. Can you spare 50 bucks? 1" deep well socket to remove them, and a 3/8' joint on a ratchet.

Apr 06, 2011 | 2000 Chrysler 300M

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Speedometer does not work will not change gears

Hello dbslats.
You likely have a speed sensor that has gone open circuit. It is a common problem with these models.
There are two sensors mounted at the front of the transaxle transmission.
The diagram below shows the output speed sensor, this is the one that needs to be tested and probably replaced to fix your problem.

This is just in case you need to diagnose further.

The PCM (powertrain control module) receives a signal from the transmission control module (TCM) and the transaxle output speed sensor over the bus communication line.
The TCM supplies the road speed and distance traveled inputs to the PCM.

Thank you for using FixYa.


Nov 30, 2010 | 2000 Chrysler 300M

1 Answer

2000 300m shifts into 2nd gear and locks out all other gears. (limp mode) Changed speed odometer sensor, and have pulled #11 fuse, Checked wiring. battery cables removed for re~set. What else can be...

you replaced the output speed sensor, try replacing the input speed sensor, sometimes called the turbine speed sensor, thats where the computer gets the info to shift.

Nov 27, 2010 | 1999 Chrysler 300M

1 Answer

My 2001 Chrysler Voyager will not go over 40-45mph, the rpms go way up and the van looses power to accel any faster. The transmission fluid looks good and there seems to be no leaks, what could this be? ...

Is the check engine light on?

The transmission defaults into second gear when there is a transmission fault. The two most common problems that cause this are the input and output speed sensors. The fault code retrieved from the transmission control module will let you know which one if one is bad.

The input speed sensor is the one right under the transmission cooler lines where they go into the transmission. The output speed sensor is the one one the right of the transmission (driver side) and looks almost identical to the input speed sensor. Both sensors can be removed with a basic set of tools and a one inch deep socket to remove the sensor itself.

Nov 04, 2010 | 2001 Chrysler Voyager

1 Answer

Engine light and ABS traction control light remain

The ABS sensor is a speed sensor also for Traction Control. This is why both lights are on , One of your front ABS sensors are bad or disconnected, or has a pinched wire.

Jan 16, 2010 | 2000 Chrysler 300M

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Car wont shift from 2nd gear and speedometer doesnt work. diagnostic code p0700. what does this mean?

the PO700 code is a generic transmission code. You would need access to a proper scan tool to check for transmission codes. However if you speedo isnt working, it sounds as though you have a bad output speed sensor. This part runs about 60.00 from the dealer, and is fairly easy to install. No speed signal will put the transmission into limp mode, and keep it stuck in 2nd gear.

Nov 17, 2009 | 2000 Chrysler 300M

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I'm just wondering how easy it is to put a speed sensor in my 1999 300m

It is very easy. Under the vehicle on the driver side of the transmission. The input and output speed sensors look the same from the outside. The input sensor is the one at the forward end of the tranny and the output is at the rear. They both are a beige color and just screw in to the side of the transmission housing.

Aug 18, 2009 | 1999 Chrysler 300M

1 Answer

I need help

you need to get the diagnostic codes to determine why its in 2nd gear (limp-in). it can be numerous things..anything from a input or output speed sensor to a serious internal trans problem.

Jan 19, 2009 | 2000 Chrysler 300M

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