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Old 11-16-2009, 01:22 PM   #1
2nd Gear Member
Join Date: Jun 2008
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coolant leaking

Hey guys,

so I'm having problems with my coolant leaking. I did a pressure test to see if there was some leak in the tank but it was fine, then I thought it may have been the rad cap so I bought a new one, but there have been no changes, and it continues to leak. If you want an idea of how bad it is i've been topping it off for past week and have used 3/4 of a jug of coolant. Any ideas as to what may be wrong with it?

Thanks in advance!!!

Last edited by preet006; 11-16-2009 at 01:24 PM.
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Old 11-16-2009, 01:34 PM   #2
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well, you can start by looking for external leaks under the car after she sits. check tail pipe while running - very white smoke means you've got a head gasket issue and losing/burning it off. Check the dip stick for a milky yellowish substance which would indicate coolant getting into oil. Check interior for any leaks onto the carpets. possible core, coolant pressure regulator. check waterpump, also the expansion tank on the rad.
rad or heater hoses. thermostat housing...

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Old 11-16-2009, 01:37 PM   #3
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Ive noticed white smoke when I start my car
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Old 11-16-2009, 03:29 PM   #4
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^^ white smoke on start up is normal. Its a concern when you still see it at normal operating temps. If you do suspect leakage into the engine, look at the oil and see if its contaminated with coolant. If it is, then you have a blown head gasket.

Other thing to look at is air in the coolant system.
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Last edited by E36is; 11-16-2009 at 03:34 PM.
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