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04-23-2021
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#1 |
 Join Date: Feb 2021
Location: California
Posts: 14
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1991 emissions air injection pump
Hi all
I?m trying to reinstall my air injection pump to satisfy the California smog police and i?m not sure how it goes on. This was removed by a prior owner so I?m not sure how it came off. I know it goes in the front left corner of the engine compartment and i have found the electrical connectors. I have the pump and some of the plumbing that came off. Can someone post a photo or diagram of their air pump and how the hoses route to the manifolds? Thanks in advance |
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04-23-2021
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#2 |
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,079
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Re: 1991 emissions air injection pump
Where in Ca are you,I'm in Fremont.
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04-23-2021
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#3 |
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Join Date: Apr 2021
Location: Poland
Posts: 1
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Re: 1991 emissions air injection pump
I have found an instruction for this. Hopefully it will be useful for you. I'm no expert in this to be honest, but who knows if it becomes helpful
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04-23-2021
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#4 |
Join Date: Sep 2016
Location: Ocala, FL
Posts: 899
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Re: 1991 emissions air injection pump
OP. Private message me with your phone number and I will send you pics. No problem.
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Steve Young 1991 ZR-1 Quasar Blue Metallic/Black #729 Second Owner 1991 ZR-1 Dark Red Metallic/Black #2040 SOLD 1990 ZR-1 Dark Red Metallic/Saddle #1670 SOLD Double your happiness.....complain half as much. |
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06-30-2021
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#5 |
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Join Date: Feb 2021
Location: California
Posts: 14
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Re: 1991 emissions air injection pump
Thank you for everyone's help so far. I successfully got the air injection pump and original exhaust manifolds w/ cats installed on the car.
I realize now that I'm missing the hoses that route from the AIR to the exhaust manifolds as well as the vacuum lines that attach to the AIR valve? Does anyone have a picture of their car and how these hoses route? |
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07-01-2021
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#6 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1991 emissions air injection pump
Quote:
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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07-08-2021
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#7 |
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Join Date: Feb 2021
Location: California
Posts: 14
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Re: 1991 emissions air injection pump
Does anyone know if there are both metal pipes and rubber hoses that connect the AIR on the exhaust manifolds to the AIR valve? I have seen pics of the rubber hoses but they don't look long enough to reach the passenger side manifold.
I hate California regulators... I passed the smog emissions test by failed the visual inspection as my AIR hoses are not there. 
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07-08-2021
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#8 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1991 emissions air injection pump
Should be able to send u pics of what I have tomorrow.
__________________
[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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07-09-2021
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#9 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: 1991 emissions air injection pump
Here?s pics of what I have.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX Last edited by XfireZ51; 03-08-2024 at 03:09 PM. |
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