LIM/UIM replaced still same issue!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-29-2007, 08:39 PM   #1
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Default LIM/UIM replaced still same issue!!!!

Hey guys, I just finished replacing my upper intake manifold that I got from parts network and aluminum lower intake manifold gaskets from GM, changed the oil, and when I went to start it white smoke started to come from the exhaust AGAIN!!!! What is the deal? Any ideas? I was about to ram my fist through the wall, but that would only cause more problems....
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Old 04-29-2007, 08:57 PM   #2
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How long did it run? Maybe the coolant just needed to burn out.

eh.. Please continue in the original thread if there is one. I can't find it.
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Old 04-29-2007, 09:12 PM   #3
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Thanks for the reply, the original thread was under "Crank Sensor" but Bill Boost suggested I change it. I dont know how long it would have ran, I shut it off cause I did not want it to hydrolock again. Do you think it just blowing old stuff out?
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Old 04-29-2007, 09:21 PM   #4
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You'll often end up with coolant in the cylinders when you pull off the LIM gaskets. It could take a good 30 minutes or so for it to burn it all off. Change the oil again in about a week to 10 days.
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Old 04-29-2007, 10:33 PM   #5
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Your right, I was flipping out because I thought the LIM did not seal right and it was starting all over again...I let it run for a bit while longer and it did clear up, thank goodness! Now I have a small issue with the gauges, they dont work. I am sure I connected everything. They light up but dont respond to anything,: RPM, Oil pressure, fuel, nothing is registering any thoughts on this little diddy?
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Old 04-29-2007, 10:42 PM   #6
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Anyone reading this, please refer to the "Crank Sensor" post. This is a spin off from that....
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Old 04-29-2007, 11:15 PM   #7
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Like Archon says, it will take a while to evaporate all the coolant that accumulated in your exhaust system. Keep the faith.
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Related Topics
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UIM and LIM replaced now leaking coolant out of UIM gasket Paul1981 2000-2005 10 12-21-2007 11:05 PM
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