Where is the vacu module line at My truck will not shift after 2nd gear on highway but shifts just fine in town I need help asap I have to travel to getmy children

Asked by Rebecca Aug 02, 2014 at 11:16 PM about the 1994 Chevrolet C/K 2500 Silverado LB RWD

Question type: Maintenance & Repair

3 Answers
62,785

BoholMark answered 9 years ago

It's on the side of the transmission. It's round and has the vacuum line attached.

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62,785

BoholMark answered 9 years ago

When you are driving on the highway, if you back off the gas pedal the transmission just might shift into the next gear. I hope that works so you can get the kids

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60,415

Andrew answered 9 years ago

you have a 4l60e, its electronic. No vacuum modulator valve. Will it not shift or does it act like neutral? The most common failure of the 4l60e/700r4 is slipping in 3rd and 4th gear

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