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International Automotive Technicians Network
1997 GMC Savana 3500 6.5L Losing speed signal
Posted to GM Transmission on 2/7/2007 8 Replies

Hello everybody, When we started working on this van I noticed that on the road test the speed signal would drop out and the van would hunt for gears. This happens more as you let off the throttle at around 60KM/H and when the vehicle is warm. The speed signal...

8 Replies Received (View Replies)

  Related Documents & Media  1997 GMC Savana 3500

 
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 3500

VIN 1GTHG35F5V
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLosing Speed Signal
ConditionsHunting for Gears, Neutralizing
Misc.Contractor Work Van 4L80-E Trans
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 3500

VIN 1GTHG35F5V
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLosing Speed Signal
ConditionsHunting for Gears, Neutralizing
Misc.Contractor Work Van 4L80-E Trans