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1999 Ford F-250 Super Duty Lariat 7.3L Won't Upshift Under Load (Pulling Trailer)
Posted to Ford Transmission on 8/25/2003 6 Replies

customer states that when pulling a trailor(loaded with a bobcat) and pulling away from a tollbooth, he has to let up on the foot-feed to get the truck to shift. he says the truck shifts normal otherwise. i road tested the truck and agree that it shifts normal...

6 Replies Received (View Replies)

  Related Documents & Media  1999 Ford F-250 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX21F6X
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedWon't Upshift Under Load (Pulling Trailer)
ConditionsWon't Shift Until You Let Up on Foot-Feed
Message Closed w/FIX

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX21F6X
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedWon't Upshift Under Load (Pulling Trailer)
ConditionsWon't Shift Until You Let Up on Foot-Feed