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Old 08-10-2009, 12:25 PM   #1
fetchitfido
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Default Coolant line on back of intake manifold?

If that's what it is, where is the other end of the line supposed to be?

It's not directly part of the PCV valve line, its on the firewall side (opposite of the PCV line on the intake) of the motor and points straight down after ~1inch. I'm pretty sure it's a coolant line, but the lines to the heater core are all connected and the hose that must have been there before has since disappeared.
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Old 08-10-2009, 12:29 PM   #2
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Default Re: Coolant line on back of intake manifold?

Sounds like the drain for the Evap to me, but a pic sure would help.
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Old 08-10-2009, 12:35 PM   #3
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Default Re: Coolant line on back of intake manifold?

No, got that mini line connected too. Just went out to fill the transmission with ATF and the evil missing hose was in the way. It's something to do with the brake booster, probably the vacuum supply for the "power assist." Nothing to do with the coolant after all.
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Old 08-10-2009, 12:41 PM   #4
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Default Re: Coolant line on back of intake manifold?

If you're talikg about the brake booster vacuum line. One end connects to the brake booster, the other on the back/center/upper part of the intake manifold.

It is it disconnected? You have one heck of a vacuum leak.
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Old 08-10-2009, 12:52 PM   #5
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Default Re: Coolant line on back of intake manifold?

I'd be pretty surprised if the car would even run with the brake booster line removed. Sure would cause some driveability issues! But that line runs nowhere near the tranny fill ports, auto or manual??
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Old 08-10-2009, 12:54 PM   #6
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Default Re: Coolant line on back of intake manifold?

The car will definitely run with the brake booster line disconnected, though the 4K RPM idle would be a dead giveaway that something is wrong. Again, pics would really be a big help here.....or I guess we could all just keep guessing exactly what you're talking about.
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Old 08-10-2009, 03:34 PM   #7
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Default Re: Coolant line on back of intake manifold?

It's all figured out now, it was the bigger line that goes to the brake booster. At the time all I could think of it being was a coolant line but that was wrong.

Engine runs fine, though it sounds like I traded a ticking timing chain for ticking lifters/rockers. Grrr. Has an exhaust leak too as 1 of the bolts broke clean off on the header->downpipe flange, not 100% sure how to get it out, pretty sure the header has to be removed, then the bolt drilled then easy out. It's not happening today though, I'm done


edit: here's a pic includeing my ghetto intake anti-rub pads:
Attached Images
File Type: jpg P1010526.JPG (100.1 KB, 18 views)
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Last edited by fetchitfido; 08-10-2009 at 03:47 PM.
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