Transmission speed sensor

JOSHUA R SONS

MEMBER
1997 TOYOTA TERCEL
0.5L
4 CYL
2WD
AUTOMATIC
199,000 MILES

When the engine gets warm the transmission goes into a false neutral. Was running and shifting fine. Replaced the water pump then this started happening. Where is this sensor at and where can I buy one to replace it? Transmission speed sensor.

Saturday, March 24th, 2018 AT 6:39 PM

3 Replies

KHLOW2008

MECHANIC
41,814 POSTS

The speed sensor is inside the instrument cluster. Is your speedometer working correctly? If it is not working, it could be due to a broken speedometer cable. How did you come to the conclusion that the VSS is bad?

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Monday, March 26th, 2018 AT 6:59 AM

JOSHUA R SONS

MEMBER
2 POSTS

The speedometer does not work. I saw online that the false neutral could be caused by sensor. Am I correct about this? It is a sensor connected (I think) directly to the transmission. I can easily find this part for a Toyota Camry or Corolla. When I search for the Tercel it looks totally different than others. I am not sure what exactly I am looking for.

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Monday, March 26th, 2018 AT 8:56 AM

KHLOW2008

MECHANIC
41,814 POSTS

Check the speedometer cable, it is attached to the transmission and goes into cabin to be joined to the speedometer. If it is broken, the speed sensor would malfunction. Without speed sensing capability, the transmission shifting or performance can be erratic.

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Tuesday, March 27th, 2018 AT 2:08 AM