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04-16-2011, 07:30 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Fresno California
Posts: 65
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can anyone tell me what these parts are and what they do?
pic #1
pic #2 pic #3
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 1986 GMC Sierra Classic 4X4
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04-16-2011, 07:41 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: La Quinta, CA
Posts: 72
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Re: can anyone tell me what these parts are and what they do?
Top one looks like a smog piece and the last a cruise control diaphragm.
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Larry 1972 Chevy C20 Custom Camper 1968 Chevy Camaro RS 1980 GMC K5 Sierra Classic |
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04-16-2011, 07:41 PM
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#3 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,194
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Re: can anyone tell me what these parts are and what they do?
I don't know for sure, except #3 is your cruise control servo.
#1 is a PVS (Ported or thermal vacuum switch) in the middle with two nipples which should have vacuum lines attached (I think). The other two are obviously some sort of thermal switches also, but i have not seen them before. #2 looks like it might be an older version of a cruise control servo, but I thought those were mounted on the driver's side fender. I am sure someone with more knowledge than I will post here. Last edited by tucsonjwt; 04-16-2011 at 07:43 PM. |
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04-16-2011, 07:43 PM
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#4 |
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Registered User
Join Date: Nov 2010
Location: Fresno California
Posts: 65
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Re: can anyone tell me what these parts are and what they do?
Thanks man ya its on a 86 350 with quadrajet if that helps anyone
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1986 GMC Sierra Classic 4X4
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04-16-2011, 09:10 PM
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#5 |
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Registered User
Join Date: Feb 2009
Location: washington the state
Posts: 730
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Re: can anyone tell me what these parts are and what they do?
if you had a tbi engine the two sensors in picture #1 the one below your thermostate is a temp coolent switch and the other is a temp sensor
that in picture #2 I cant remember but I'll look it up
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my sports car rolls on six wheels only because I'm to fat to get in and out of new corvette http://hubgarage.s3.amazonaws.com/ph...ped_detail.JPG |
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