97 SSE - LOWER intake manifold coolant leak - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-11-2004, 05:02 PM   #1
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Default 97 SSE - LOWER intake manifold coolant leak

Hey, all I wanted to pass this on to see if anyone can fill me in on the problem I've had recently.

I was losing lots of coolant, and I found it was dribbling out of the LOWER intake manifold. There is a plastic elbow pipe going from the center of the lower intake (on the pulley side of the engine) to the water pump casting. Where that elbow meets the intake, the dex-cool was leaking out.

Anyway, I fixed it by adding some sealant in the radiator. I almost tore the top-end down, but the weather was TOO cold for that kind of heroics. Anybody know anything about this part? My Haynes manual had NOTHING on it.

thanks,
Jim O.
97 Bonneville SSE (series II N.A.)
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Old 02-11-2004, 08:58 PM   #2
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Buy a replacement fitting. They're made of metal now, not plastic. This is an occasional problem on both the Series 1 and Series 2.
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Old 02-11-2004, 09:18 PM   #3
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I'll do that!
Is it easy to install or do I have to remove some big parts?
And what'* the name of the piece, so I can refer to it at the parts counter?

Thanks
Jim O.
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Old 02-11-2004, 11:13 PM   #4
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I did one on Jseabert'* 93 SSE....but we had it all torn down already. It'* the bypass fitting, I believe......coming straight out of the top of the WP? about 3/4" in diameter? Into the end of the lower intake.

Don! Gearheads! Anyone else?
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