There is a way to do this from inside the engine compartment on 1999+ 3.8l Windstars. Tedious & possibly gonna scratch your arm up, but easier than pulling motor mounts and exhaust pipes.
Location: Directly underneath the middle spark plug on the back of the engine - about 3" down, and inserted into the top of the transmission. There is a metal shield that is held in place with the same hold-down bolt that secures the sensor.
NOTE: don't rush and forget to secure the radio noise capacitor thingy under the leftside hold down bolt.
Getting at the bolt:
TIP: tape the joints together so your extension assembly doesn't come apart as you're pushing & pulling it up and down
Once your hand is down there and has figured out where things are, you're ready to use it to guide the socket into place & onto the bolt
This is a totally blind operation! You will never see the pieces you're working with.
Assuming you don't dislocate your shoulder or bleed-out from scratching your arm to shreds, you should be able to get the 25mm long bolt out!
Lift and remove the cover, and the sensor should rotate in the open pretty easily.
Removing the sensor: This is the hard part because you can't easily get upward pull as you twist the sensor in its opening! Just keep twisting and lifting - it'll come out... eventually!
This is one of the most painful, awkward & frustrating things I have done on a vehicle!
But in my circumstance, well worth the effort.
Btw, don't do this unless you know for 100% sure your sensor has failed - you're not going to enjoy the experience.
Best of luck! :)
Forget what the manual says! It will have you remove the exhaust pipe which is hell if its old and rust; and after that you will have to feel your way around the sensor as the angle is bad. Also, it puts you hand in a cramped position to try and ratchet the mounting bolt on the sensor which is on top and away from you.
I had to change mine and this most direct approach that is least problematic. The sensor is located on top of the transmission right behind the passenger side rear engine mount. Jack up the car and support it safely on a jack stand. Then remove the passenger side front wheel and fender guard to get access to the engine and mount. You got to remove the mount and mount supporting bracket on the engine to get enough clearance to the sensor (which requires lifting the engine some. Last resort you can use your floor jack and a block of 2x4 wood to do it only don't lift on the oil pan or crank shaft pulley. I tend to use the area where the oil pan bolts to the block. Make sure to unbolt the bottom of both the front and rear engine mount first and then lift slowly and carefully so not to cause damage anywhere). As soon as I remove the mount, I usually lower the engine back down to be safe as floor jacks can be unstable.
This part is difficult to describe as I can't accurately remember, but, the transmission has a hump or cap on top of it. You'll see the sensor plugged into it from the opposite side that faces away from you. You'll spot the sensor after removing the mount and you'll see what I am trying to describe. Its common sense. There is only one bolt and you have to feel around the sensor for it where it plugs into the hump/cap. I don't remember the size of the socket but you can research that. Because of the confine space, use a small socket wrench.
Make sure you clean and wipe the area before removing the sensor. Otherwise, debris can fall inside the hole where the sensor goes and re-installing the sensor can be sticky. So a mild lube on the sensor housing (not the gear!) helps to slide it into the hump.
If your car is really old, it might be wise to purchase an extra pigtail connector that plugs the car computer into the sensor. Because the sensor is so close to bank 1 of the engine, the heat and weather overtime can make the pigtail brittle and it can break during unhooking. That happened to me.
where is the speed sensor on 2002 mercury mountaineer
The vehicle speed sensor is on the transmission. The ABS speed sensor is on the differential.
Need to know if you are asking about the vehicle speed sensor, a front wheel speed sensor or rear wheel speed sensor.
This code indicates a problem with the vehicle speed sensor. Check the wiring and if it is good replace the vehicle speed sensor.
Raise the vehicle and locate the speed sensor. Remove the electrical plug. Turn the speed sensor counterclockwise and remove it. Install the new speed sensor.
Vehicle speed sensor performance.Vehicle speed sensor performance.
Trouble code P0500 means: Vehicle Speed Sensor 'A' Replace the speed sensor
Not familiar with the "4R" designation, but there are really only 2 'popular' speed sensors:ABS wheel sensorVehicle speed sensorBoth are well covered in the "Related Questions" below
you don't it has a vehicle speed sensor located on the tailshaft housing that sends the speed signal
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Vehicle speed sensor malfunction. Most likely you have a failed output speed sensor on the transmission.Vehicle speed sensor malfunction. Most likely you have a failed output speed sensor on the transmission.
How do i replace speed sensor on 1992 toyota previa and where is the sensor located
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on top of the transmission
I would suspect the vehicle speed sensorSee "Related Questions" below for more
the speed sensor is located on the transfer case in the middle of the vehicle
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Possible failure of the output/vehicle speed sensor.Possible failure of the output/vehicle speed sensor.
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