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Old Mar 18, 2013 | 02:59 PM
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Default vacuum tree routing

4.9l straight 6 vaccum lines is cut and i dont know where it goes
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Old Mar 18, 2013 | 03:07 PM
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What year is it?
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Old Mar 18, 2013 | 03:20 PM
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95
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Old Mar 18, 2013 | 04:06 PM
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Here ya go.
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Old Mar 18, 2013 | 07:27 PM
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That isn't right. That looks for carbureted, other than the MAP. Here's for my '87, much closer if not the same.

vacuum tree routing-forumrunner_20130318_192622.jpg

Last edited by Just call me Sean; Mar 18, 2013 at 07:29 PM.
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Old Mar 18, 2013 | 07:55 PM
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good thing they put that under my hood too. now if i can figure out the vacuum tree routing i'd be happier lol. its on the upper manifold and 1 line goes to the brake booster 1 line goes to my map sensor and 1 goes to my evr 1 has a screw in it and the other goes somewhere

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Old Mar 18, 2013 | 08:03 PM
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Sounds like someone deleted the smog pump. The tree is in the diagram labeled man vac, it's just a vacuum port. Not all holes are used.
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Old Mar 18, 2013 | 08:08 PM
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Originally Posted by Just call me Sean
That isn't right. That looks for carbureted, other than the MAP. Here's for my '87, much closer if not the same.

Attachment 203789

Blame autozone if it's wrong, that's where I found it.

P.S. Carbed engines did NOT utilize MAP sensors. Some of them used BMAP and it aint the same.
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Old Mar 18, 2013 | 08:09 PM
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Originally Posted by Rnlcomp

Blame autozone if it's wrong, that's where I found it.
It does say typical on it, which I have found means any but your own vehicle.
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Old Mar 18, 2013 | 08:11 PM
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Originally Posted by Rnlcomp



P.S. Carbed engines did NOT utilize MAP sensors.
Some do. But that is why I put that exception in there.
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