removing the heater pipe.....HELP!!!!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-05-2009, 10:15 AM   #1
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Default removing the heater pipe.....HELP!!!!!!!

Am currently replacing the UIM/LIM gaskets on 94 bonny SE, series1 L-27 motor. I'm stuck at removing the heater pipe from the intake manifold. I've removed the 1 visible bolt but can't get the pipe to dislodge from the manifold.......any ideas???? I've also removed the hose clamp and detatched the hose from the rear of that pipe but that didn't give me any more room to remove that heater pipe........I'm stuck!!!!!!!
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Old 06-05-2009, 02:38 PM   #2
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IIRC there'* two bolts or holding points. Probably hidden and the only way to find it is via braille.

Otherwise it may simply be stuck in there from years of the same position.
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Old 06-05-2009, 07:35 PM   #3
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I think the pipe has an o-ring seal that makes it a pain the first time you try to remove it. I pries mine out the first time. Once you clean-out the crud & lube the o-ring, it goes together pretty easily.
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Old 06-05-2009, 10:05 PM   #4
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Thanks for the help....U guys are right that pipe is a PITA to remove. I finally got it out, there was a hidden 13mm bolt back and underneath the power steering pump. I removed that bolt then wiggled out the manifold with the pipe still in.
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