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Author Topic: Vacuum switch  (Read 9046 times)

Offline VileZambonie

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Re: Vacuum switch
« Reply #15 on: February 27, 2009, 05:10:13 AM »


Image restriction direct link here
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline David Hall

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Re: Vacuum switch
« Reply #16 on: February 28, 2009, 08:46:47 AM »
Thanks Vile for the help. The vacuum switch in my first post is the EGR bleed sol. I found out that it keeps the TCC from locking up via. a TVS until the engine reaches appro. 170 deg. To remove the bleed sol.,vacuum lines and tvs. I need to find a 170 deg. temp. switch or some other way. When retro fitting the trans into earlier muscle cars wonder how they did this.
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Offline VileZambonie

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Re: Vacuum switch
« Reply #17 on: February 28, 2009, 12:02:41 PM »
Just bypass it all together then. The converter can lock and unlock at any temp without any problems.
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              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline David Hall

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Re: Vacuum switch
« Reply #18 on: March 01, 2009, 06:48:25 AM »
After thinking about it I think I am going to connect the two wires toghether for now. I would like to make it lockup only in 4th though. I will do some light towing. Here's a pic of the valve body, which switches control which gears?
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