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Overheating Ls motor

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Old Aug 18, 2003 | 02:47 PM
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Default Overheating Ls motor

I have a Ls civic dx. Today i test drove it around town. First 15 min was fine...running strong, but after a while, the water temp gauge climbs. I turn the heater on to relieve some heat from the motor, went back to normal. As soon as I shut it off, it climbs again. i think i may have air in the coolant system. How would i bleed it?? Or What else could it be? Thanks for any help in advance
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Old Aug 18, 2003 | 02:49 PM
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Default Re: Overheating Ls motor (ProJectCvic)

btw...fan turns on fine and the water pump just was replace.
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Old Aug 18, 2003 | 04:41 PM
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Default Re: Overheating Ls motor (ProJectCvic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ProJectCvic &raquo;</TD></TR><TR><TD CLASS="quote">i think i may have air in the coolant system. How would i bleed it??</TD></TR></TABLE>

This is how i bleed the system on my 95 EX/LS.

1. Remove radiator cap.
2. Start the car.
3. Put the heat on full blast.
4. Let it reach operating temp, and wait for the radiator fan to come on.
5. Add coolant as necessary.
6. Replace cap and take her for a test run.

The actual bleeding part may take awhile (I've waited as long as 20min for the fan to come on), so just be patient.
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Old Aug 18, 2003 | 04:50 PM
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Default Re: Overheating Ls motor (JV)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JV &raquo;</TD></TR><TR><TD CLASS="quote">

This is how i bleed the system on my 95 EX/LS.

1. Remove radiator cap.
2. Start the car.
3. Put the heat on full blast.
4. Let it reach operating temp, and wait for the radiator fan to come on.
5. Add coolant as necessary.
6. Replace cap and take her for a test run.

The actual bleeding part may take awhile (I've waited as long as 20min for the fan to come on), so just be patient. </TD></TR></TABLE>

Damn good pointers
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Old Aug 18, 2003 | 05:57 PM
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Default Re: Overheating Ls motor (poison)

Does it overheat at a stop or when driving, or just in general?
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Old Aug 18, 2003 | 07:47 PM
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Default Re: Overheating Ls motor (turbogixxer)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by turbogixxer &raquo;</TD></TR><TR><TD CLASS="quote">Does it overheat at a stop or when driving, or just in general?</TD></TR></TABLE>

actually just in general, but more so when the car is at a stop. Thanks for the pointers guys
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Old Aug 18, 2003 | 09:39 PM
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Default Re: Overheating Ls motor (ProJectCvic)

Screw waiting 20 min, I just rev it till the air bubbles come out! then after a while of reving... no more bubbles and its @ operating temp too. Check your thermostat and make sure that it is working properly...

Blaze
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