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Aug 27, 2005 | 05:42 PM

86malcomekonnner

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From: Roselle Park NJ

I Need Help!!

I'm rebuilding an '86 and i i forget what hose attaches to the upper left side of the throttle body. PLEASE HELP

Aug 27, 2005 | 05:53 PM

bogus

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From: San Pedro CA

All references to "side" when dealing with an engine component are made from the drivers seat. So the left is drivers side, right is passengers side.

With that said, left side? nothing. It's only the cables over there.

The right, now that's different. There are the coolant lines, which I would bypass... the PCV line and another vacuum source for the evaporative emissions.

Under the TB is a vacuum source for the EGR, I think.

Aug 27, 2005 | 06:20 PM

REDC4CORVETTE

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From: Lahaina Hi

The vaccum source it pulled from the plenum at the pass side rear.

Aug 27, 2005 | 07:24 PM

_twisted_

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From: The Pines South Jersey

Take a pic 86, I am curious to see if you have 2 nipples on the TB by the TPS or just 1.

Aug 28, 2005 | 10:25 AM

86malcomekonnner

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From: Roselle Park NJ

The TB has 2 nipples one above the TPS and one below it.

Aug 28, 2005 | 02:00 PM

bogus

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From: San Pedro CA

the big nipple is for the PCV, the small, for evap emissions.

check the sticker on the radiator shroud.

Aug 28, 2005 | 06:35 PM

86malcomekonnner

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From: Roselle Park NJ

the big nipple is a coolant inlet for the TB which then goes to the left side of the TB and into the intake manifold. i think the top nipple is for the PCV?

Aug 28, 2005 | 07:03 PM

_twisted_

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From: The Pines South Jersey

My 86's tb had 1 for the pvc - I didn't mean the nipple for the coolant.

If you look directly below the pcv nipple there should be a void for which the "other" vac line would go to, if there was a need for it on "our" 86's, my new 52 mm tb has both and I am going to cap the lower.

86MK- on your drivers side valve cover where the pcv hose goes to a tube - at the front of that tube is there a nipple with a hose on it? mine has the nipple and nothing else.

I would snap a photo but the car isn't here.