Transmission

Tiny
THOMASTT
  • MEMBER
  • 2002 CHRYSLER TOWN AND COUNTRY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
I changed the solenoid pack on my town & country still no reverse what does the prndl switch do?
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Tuesday, November 16th, 2010 AT 2:23 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Basically, the switch is to indicate what gear you are in and functions as a neutral safety switch. Have you had the TCM scanned for codes? Has the check engine light come on? Also, if the only gear that went out is reverse, there is a chance the low reverse band in the transmission has broken.

Have the TCM scanned to see if there are any sensor issues.

Let me know what you find.
Joe
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Tuesday, November 16th, 2010 AT 3:12 AM
Tiny
FORMERTECH
  • MEMBER
The prndl switch basically just tells you what gear the transmission is in. P-park, R-reverse, N-neutral, ect. This won't cause you to have no reverse unless it is indicating it is in reverse and you actually have it in a different gear. If you don't have any reverse no matter where the shift lever is, there is probably an internal transmission issue. If you have a way to read the clutch volumes with a scanner, you should be able to see if there is an unusually high value for the reverse clutch pack indicating a leak in the seal that holds the fluid that applies the clutch pack. The normal clutch volumes are listed in a service manual if you have one. The other way to check for internal problems is to remove the pan and look in it for clutch debris which looks sort of like mud. This is caused from the clutches slipping and burning the material off of the clutch plates and landing in the pan. Either way you will most likely need to rebuild the transmission.
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Tuesday, November 16th, 2010 AT 3:29 AM

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