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01-06-2013, 09:55 PM
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#1 |
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Registered User
Join Date: Jan 2012
Location: Phoenix, Arizona
Posts: 500
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Do I need this?
This part sits in the water inlet by the thermostat with three tubes coming out of it. What is it? and Do I need it? (see black arrow)
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01-06-2013, 10:02 PM
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#2 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,366
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Re: Do I need this?
Looks like a thermal vacuum switch for an EGR valve or some other emissions equipment that you likely don't need. Just unscrew it and plug the hole with an appropriate sized pipe plug.
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01-06-2013, 10:03 PM
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#3 |
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Registered User
Join Date: Jun 2011
Location: Taylorsville, Georgia
Posts: 482
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Re: Do I need this?
Its something to do with vacuum and carb for heat reasons. Some kinda switch
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01-06-2013, 10:14 PM
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#4 |
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Registered User
Join Date: Jul 2011
Location: Farmville, Va
Posts: 3,026
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Re: Do I need this?
not needed you may discard or sell as extra parts
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01-07-2013, 08:51 AM
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#5 |
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Registered User
Join Date: Oct 2012
Location: Ravenel SC
Posts: 317
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Re: Do I need this?
Weird, what the heck is it for? Its over the thermostat so it doesn't see any action until the thermostat opens. Someone will know this site is loaded with knowledgeable people.
__________________
Toys/projects Many toys, not enough time to play! My youngest son and I picked up a 69 Chevy C-10 on 1/7/22, this is my second 69, it was 10 years ago that I had my other one. So I’m back!!! 
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01-07-2013, 10:39 AM
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#6 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Do I need this?
Just a guess, but looks like it may keep the vacuum advance from operating on the distributor until the engine is up to temperature.
Like said before remove it and plug the hole.
__________________
'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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