2nd Generation Specific 1986-1992 Discussion

vacuum leak

Old 12-30-2005, 08:11 PM
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What are the most common symptoms of vacuum leaks? Any good way to check for them?
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Old 12-30-2005, 09:09 PM
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No start condition, rough idle, drives like a bag when you hit boost if a TII.



Places to look for vacuum leaks



- TID

-Manifold connections

- vaccum Nipples

-cracked vacuum lines.



edit: to check the areas for vac leaks, spray them with carb cleaner, if the idle changes and surges thats where you have the vac leak.
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Old 12-30-2005, 09:13 PM
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vaccuum leaks suck
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Old 12-30-2005, 09:14 PM
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literally, get some carb cleaner spray it in the suspect area and see if the idle picks up, just be careful not to set the joint on fire.
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Old 12-30-2005, 09:27 PM
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sounds good thanx much
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Old 12-30-2005, 10:23 PM
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If you have a good ear you can sometimes hear it as soon as you shut the engine down. Hissing or whistling for about a second.
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