Question on part
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Junior User
Joined: Oct 2005
Posts: 97
Likes: 0
From: Jacobus,PA
Question on part
I wondering what the vacuum valve body thing is that is above the alternator and hooked up to the air pump. What's its purpose? Does it need to be on there? Can you get rid of it and the air pump? If you can, what size and routing of the new serpentine belt would be? Any replies would be helpful I'm trying to remove the miscelleneous non essential junk. I've already removed the injector cooling fan(it didn't work anyway) and I'm trying to cleanout more things.
Elder User
Joined: Feb 2002
Posts: 504
Likes: 2
From: Saddle Brook United State
If you have state emissions inspections, you can't get rid off it. It basically directs air from the air pump either to the air manifold connected to the exhaust ports in the head or dumps it to the atmosphere or to the cat if it is equipped with an air tube. There are two types of systems one with an Air bypass valve and a separate Air control valve or one with the two valves combined into one, my 90 has the combined valve. I would say if it "ain't broke don't fix or remove it", the computer might not like it , when it looks at the O2 sensor. You aren't going to gain anything by removing it , it takes little or no HP to drive the air pump.
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