Should UIM Vac Nipple Hold vac?
08-26-2006, 07:50 PM
#1
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Hey , I'm having trouble getting my fresh rebuild to run. One day it runs, next day it doesn't. I suspect a vac leak even though I thought I had plugged all the possible ones. When I put a vac tester on the nipple on the UIM, I get 0" when I pump it. Shouldn't this be air tight?
08-27-2006, 03:00 AM
#2
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Location: San Jose, CA
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Originally Posted by therx7ist' post='834448' date='Aug 26 2006, 04:50 PM
Hey , I'm having trouble getting my fresh rebuild to run. One day it runs, next day it doesn't. I suspect a vac leak even though I thought I had plugged all the possible ones. When I put a vac tester on the nipple on the UIM, I get 0" when I pump it. Shouldn't this be air tight?
can you shoot us a picture of which vacuum port you are using?
08-27-2006, 02:44 PM
#4
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Join Date: May 2002
Location: California
Posts: 22,465
if its a turbo it wont hold vacuum, with the stock emissions equipment. there is a hose from the air pump (its actually on the acv) that feeds the vacuum system, and unless you cap off several other vacuum lines the whole intake setup doesnt hold a vacuum.
an alternative would be something like a smoke test.
an alternative would be something like a smoke test.
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