coolant acting up - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #1 of 11 (permalink) Old 02-17-2008, 10:57 AM Thread Starter
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coolant acting up

ok its fine untill i have like four peoople in the car and then the coolant starts to dump out of the overflow tank it gets ri dof about half of teh coolant in the radiator is it the thermostat ive been thinking about just taking out the thermostat so i just need input
thanks

94 camaro black hardtop m6
forged 355 all the goodies/with custom intake
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post #2 of 11 (permalink) Old 02-17-2008, 11:03 AM
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Take the cap off and see if it is bubbling with the engine running. If it keeps bubbling after all the lines have been bleed then it's probably the head gasket. If not then i would start with the thermostat. The take out you radiator and clean it out. Not the inside, but the outside. They get all kinds of gunk in there and doesn't allow the air to pass over the fins.

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post #3 of 11 (permalink) Old 02-17-2008, 11:15 AM
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Don't remove the thermostat. Get a new one, if you need to (and make sure it is the correct, long one for the LT1), but don't run without it.
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post #4 of 11 (permalink) Old 02-17-2008, 11:52 AM Thread Starter
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why not wont it just let coolant get back to teh radiator sooner?

94 camaro black hardtop m6
forged 355 all the goodies/with custom intake
2nd 10 bolt... and counting
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post #5 of 11 (permalink) Old 02-17-2008, 12:13 PM
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It will spell disaster for you water pump

I Own No Cool Cars:candlesad
1967 Camaro: Under The Knife
2008 2500HD 4x4 Duramax: Slow
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post #6 of 11 (permalink) Old 02-17-2008, 12:14 PM Thread Starter
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oh dont want that how would it destroy it?

94 camaro black hardtop m6
forged 355 all the goodies/with custom intake
2nd 10 bolt... and counting
sleeeper
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post #7 of 11 (permalink) Old 02-17-2008, 02:32 PM Thread Starter
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if ti was a head gasket wouldnt there be oil in the coolant?

94 camaro black hardtop m6
forged 355 all the goodies/with custom intake
2nd 10 bolt... and counting
sleeeper
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post #8 of 11 (permalink) Old 02-17-2008, 03:18 PM
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Quote:
Originally Posted by firstlast View Post
why not wont it just let coolant get back to teh radiator sooner?
The LT1 pump has a complex series of passages. The thermostat directs the coolant to where it needs to go and when. It is not like an old SBC.

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Originally Posted by firstlast
if ti was a head gasket wouldnt there be oil in the coolant?
Not very often. It is usually the opposite and sometimes neither.
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post #9 of 11 (permalink) Old 02-17-2008, 04:16 PM
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You can actually fit 4 people in a camaro??? Amazing!!

Though I feel sorry for them.
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post #10 of 11 (permalink) Old 02-17-2008, 04:45 PM
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You can actually cause cooling problems if you remove the thermostat. The thermostat is made to cause resistance in the cooling system. It slows it down so it stays in a radiator for a little bit and actually gets cooled. If you remove it completely it could cause over heating problems. Not always but it is possible.

Head gasket problems are fairly common on these cars so don't rule that out.

When my head gasket went out I did not have oil in my coolant or vice versa. I just had a water jacket leaking into the number 7 cylinder.

1995 Trans AM, T56

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post #11 of 11 (permalink) Old 02-17-2008, 05:35 PM Thread Starter
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ok im an idiot i looked at my fuses today and guess what my coolant fan fuse was blown got a new one it fixed my miss it got rid of my check engine light and it just runs better in general so im a happy man

94 camaro black hardtop m6
forged 355 all the goodies/with custom intake
2nd 10 bolt... and counting
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