Dodge Diesel - Diesel Truck Resource Forums

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- - tranny question (https://www.dieseltruckresource.com/forums/12-valve-engine-drivetrain-100/tranny-question-118159/)

hot rod al

09-28-2006 08:15 PM

tranny question

does any1 know if the trannies in the diesel trucks are vacuum operated?

schaef_12

09-28-2006 08:17 PM

I don't know much about the auto trannies but I do not think they are vacuum operated. I do know that they have a TPS (throttle positioning sensor).

wilderness

09-28-2006 08:35 PM

Nope, they have a tps, throttle valve which is connected to the trottle linkage, and it has lock up circuits. The only vcuum is on the transfer case on a 4x4.

hot rod al

09-30-2006 10:12 PM

then how come my trannie doesnt lock up wen my vacuum lines are connected 2 the vacuum pump???

thanx in advance

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