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overheating

 
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02ImpalaDude
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PostPosted: Thu Jun 28, 2012 8:47 pm    Post subject:  overheating Reply with quote

so I just got the engine back together after changing the LIM gaskets. got it all together, but I have extra parts -_____- the parts are brackets for stuff I know doesn't really need to be connected but there's 2 sensors connect hat aren't connected. one is a square looking one that's on the wire loom closest to the firewall with 4 connectors on it, the other is an oval shape with 4 connectors. I also realized I forgot to put the little straw back in the UIM after I assembled it all. I turned the car on after new coolant and new oil. turned over just fine but it's running very hot. i emptied out an entire gallon of coolant into the system. what exactly is this straw for.......hope I didn't royally mess anything up
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00impala123
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PostPosted: Thu Jun 28, 2012 8:49 pm    Post subject:   Reply with quote

It feeds oil through the UIM. I wouldn't worry about it if you install an hv3 you trash it anyways.

Try bleeding the air out of the cooling system

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02ImpalaDude
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PostPosted: Thu Jun 28, 2012 8:50 pm    Post subject:   Reply with quote

oh right. what's the best way for that? the little valve on the thermostat housing I suppose?
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outonthetiles
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PostPosted: Thu Jun 28, 2012 8:51 pm    Post subject:   Reply with quote

By "straw" do you mean the EGR stovepipe? That's there to shield the plastic UIM from the high exhaust heat that goes through there. Without it, the plastic around that stovepipe will get a lot hotter and possibly break, causing you to dump lots of coolant into your LIM. Not a good thing to happen, you could hydrolock your motor and break internals..

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00impala123
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PostPosted: Thu Jun 28, 2012 9:36 pm    Post subject:   Reply with quote

outonthetiles wrote:
By "straw" do you mean the EGR stovepipe? That's there to shield the plastic UIM from the high exhaust heat that goes through there. Without it, the plastic around that stovepipe will get a lot hotter and possibly break, causing you to dump lots of coolant into your LIM. Not a good thing to happen, you could hydrolock your motor and break internals..


Hes talking about the tube in the UIM. It clips into the gasket and runs towards the pcv. I think

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02ImpalaDude
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PostPosted: Thu Jun 28, 2012 11:56 pm    Post subject:   Reply with quote

yea you're right the one in the UIM that clips in.
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IffyG
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PostPosted: Fri Jun 29, 2012 12:18 am    Post subject:   Reply with quote

02ImpalaDude wrote:
oh right. what's the best way for that? the little valve on the thermostat housing I suppose?


You got it. FWIW, it took me damn near forever (like an hour plus) to bleed out all the air when I replaced the LIM gasket on my Intrigue.

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02ImpalaDude
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PostPosted: Fri Jun 29, 2012 2:28 am    Post subject:   Reply with quote

got it. thanks guys. overheating problem fixed! still figurine out these sensor plugs though...
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