tranny question

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Sep 28, 2006 | 08:15 PM

hot rod al

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tranny question

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

Sep 28, 2006 | 08:17 PM

schaef_12

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From: Ferdinand, ID

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).

Sep 28, 2006 | 08:35 PM

wilderness

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From: Georgia/Kentucky

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.

Sep 30, 2006 | 10:12 PM

hot rod al

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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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