I have a 1995 Dodge Caravan SE and I just bought a transmission for my van and the transmission that originally came out of my van has 4 sensors verses the one i bought that has 3 sensors. Does it make a big difference that one transmission has more than the other? Is there anything I can do besides buying a brand new transmission? Is there anyway to hook up the three without the 4th.
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The Crank Position sensor is mounted on the transmission Bell housing - back side - a few inches above the extension housing for the passenger side drive axle.
You can get to it from under the hood - easier to see if you take all the air cleaner/intake hose away from over the transmission.
Important note: one 10mm bolt holds it on a slide adjustment - very important that it is adjusted properly.
1. Proper way to adjust is to apply the provided stick-on disc to the end of the sensor (looks like a felt pad - about the thickness of a credit card)
2. Check in side the hole to make sure the sensor ring Does Not have a window directly in line (turn crank pulley slightly to correct)
3. Install the sensor - slide it in to touch the sensor ring - tighten the bolt.
4. plug the sensor back into the harness
The spacer/felt pad will space the sensor at proper distance and as soon as the engine starts it will probably get rubbed off the end of the sensor.
IF YOU DON"T HAVE THE SPACER PAD:
You will have to install the sensor to touch the ring and move it back slightly (about the thickness of a credit card)
When you start the engine - if you hear it hitting - the sensor ring may be slightly bent and you will need to adjust it out.
If you have it to far in it will hit - too far out will not start.
The sensor ring can easily be bent/damaged by transmission work - 95 FWD Dodge MiniVan has probably had the transmission removed for repairs at some point. That sensor information is shared by both the Engine Computer and the Transmission Computer.
Good Luck with that :)
1. Yes the 3.3 and the 3.8 are the same bolt pattern. But the gear ratio in the differential might be different.
2. Did you replace the filter and put it back together? Does it do the same thing after you changed the filter? If it was an electrical issue with speed sensors or the solenoid pack, reverse would still work.
hi there try to get a price on the speed sensor located on the transmission this sensor tells the computer how fast the van is going in turn the transmission shifts gears and there will be information sent to the speedometer . the reason the van only goes in low gear is to protect the system because the sensor is damaged so replace the speed sensor and try again , let me know how its running after relpaceing the sensor good luck