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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: dirtracer on December 19, 2006, 01:10:00 pm

Title: egr thermal vacuum switch
Post by: dirtracer on December 19, 2006, 01:10:00 pm

ok while messing around with my carb ive broken off my 4 prong tvs.can this be removed and plugged or is it something i need?also does this tvs have something to do with the transmission?thx

Title: Re: egr thermal vacuum switch
Post by: Lt.Del on December 19, 2006, 01:23:00 pm

I don't know what type of vehicle you drive/yr/model etc...but the TVS is something you can buy at a good auto parts store.  I'd replace it.

depending on your vehicle, it does control the vacuum advance, egr etc...  It should not control the tranny--but, the leak in vacuum will effect your modulator if you have an automatic. Your modulator should hook up to the vacuum on the intake, right behind the carb.

SgtDel
aka "Andy"

www.delbridge.net

1979 Big 10 383 stroker
1991 Blu 'Burb 3/4 ton 4x4

Edited by: SgtDel  at: 12/19/06 5:03 pm