Newcomer with coolant leak near upper manifold - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-15-2005, 09:18 PM   #1
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Default Newcomer with coolant leak near upper manifold

Hi! I own a 96Bonneville SE and have developed a coolant leak near the upper intake manifold?? I have no knowledge of cars, so I'm looking for honest information so I'll have an idea what I'm talking about when I take it to get it repaired. Any and all info you guys can provide would be greatly appreciated. Thanks a lot!
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Old 11-15-2005, 09:19 PM   #2
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Is it coming out the upper intake manifold near the EGR port?

Does your oil look milky?
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Old 11-15-2005, 09:28 PM   #3
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I think if he is a new guy to this car stuff, he isn't going to know what an EGR port is. Which side of the engine is it on? front? back? left? right?

Fixed it
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Old 11-15-2005, 09:31 PM   #4
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Can't see it with the engine cover on.

Behind the throttle body, on the back side of the black plastic upper intake manifold (the thing with 6 runners molded into it). Just behind where the TB mounts to it.

You may have just become a victim of the dreaded L36 Vin K upper intake manifold failure. Plenty of topics here on it.
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