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99 civic si stock motor overheating...help

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Old 08-26-2009, 01:46 PM
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Default 99 civic si stock motor overheating...help

Stock 99 Si, with bolt ons

Noticed my needle was above normal, so I slowed down, turned the heater on and it went back to normal.

Now whenver I turn the A/C on the needle goes up, doesn't matter if i'm idleling or driving.

What could be the problem? My radiator fan is coming on......

Any suggestions?

Last edited by ilinan87; 03-08-2021 at 08:20 AM.
Old 08-26-2009, 02:00 PM
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Default Re: 99 civic si stock motor overheating...help

Let the engine cool and top off both the radiator and the reservoir with coolant. Then bleed the cooling system.
Old 08-26-2009, 02:18 PM
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Default Re: 99 civic si stock motor overheating...help

^^ i agree.
Old 08-26-2009, 04:19 PM
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Default Re: 99 civic si stock motor overheating...help

^^^Me too. Check if the condenser fan kicks on also.
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