2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Whistling EGR

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Old Sep 24, 2007 | 05:59 PM
  #1  
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Whistling EGR

Yes you read that right, my EGR WHISTLES SO DAMN LOUD when I put a my work gloves on I can put my finger in the one whole and it stops..... it only happens when the vacum is Negative pressure so its sucking air in....

Now aside from riding around with some piece of something shoved in there, which Im sure there is a reason why there is a hole in the first place..... has anyone ever had this, seen this, know how to fix it ... or is it new EGR time?
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Old Sep 24, 2007 | 06:05 PM
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You have a vacuum leak on the valve itself or one of the nearby vacuum hoses.
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Old Sep 24, 2007 | 06:05 PM
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I had the same issue. Blocking the EGR solved that problem.
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Old Sep 24, 2007 | 06:06 PM
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technically the EGR should not be seeing much, if any, vacuum at all at idle. the diaphragms on the EGR do have a tendency to crack and leak over time so that is likely your case.
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Old Sep 24, 2007 | 06:09 PM
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Its def on the valve itself and basically only in that one hole if I block the others it doesnt matter.... how hard is it to replace that thing its positioning is next to impossible to unbolt the damn thing.....

Any suggestions?
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Old Sep 24, 2007 | 06:22 PM
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You need to remove the upper intake to access it.
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Old Sep 25, 2007 | 07:39 AM
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Is it necessary to have it on? I thought I could put a block of plate and eliminate it all together?
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Old Sep 25, 2007 | 07:51 AM
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You can. Most people do.
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Old Sep 25, 2007 | 08:32 AM
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You can block it off without consequence. Probably won't even effect the ability to pass emissions. Just be sure to use a nice thick blockoff plate so you don't create more leaks.
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