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1991 Chevrolet R2500 Suburban Silverado 7.4L Speedo drops out and trans defaults to low
Posted to GM Transmission on 10/1/2008 12 Replies

Vehicle belongs to the Boss , he has had the speedo head out twice and sent out for inspection and repair . Also replaced both speed sensors and pigtail assemblies . The DRAC module has been replaced , the trans through case connector has been inspected & clea...

12 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet R2500 Suburban Silverado

 
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet R2500 Suburban Silverado

VIN 1GNGR26N4M
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedSpeedo Drops Out and Trans Defaults to Low
ConditionsIntermitten Inop on Warmup
Misc.California Smog Certified Vehicle
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet R2500 Suburban Silverado

VIN 1GNGR26N4M
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedSpeedo Drops Out and Trans Defaults to Low
ConditionsIntermitten Inop on Warmup
Misc.California Smog Certified Vehicle