over heating at idle - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 7 (permalink) Old Jun 3rd, 03, 12:32 PM Thread Starter
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302 rebuilt over heats at idle or not moving,water pump leaks 3rd one i have replaced from ac delco,replaced clutch fan still over heats,any sugestions were to get a original water pump and how to solve this problem? it cools down once moving,only started after rebuild and water pump problem.
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post #2 of 7 (permalink) Old Jun 3rd, 03, 12:37 PM
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Al
 
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Do you have a fan shroud?

Are you running a thermosat? If so, what temp?

What is the condition of your radiator?

I'd definitely replace the water pump, then make sure everything else is in good order. Fan shroud is very important for idle cooling.

Carr Chev in Beaverton should be able to get you a water pump...if you want original for a resto check with Super Chev Parts on East Stark in Portland, 256-0098.


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post #3 of 7 (permalink) Old Jun 3rd, 03, 12:48 PM Thread Starter
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all stock, fan shroud, thermastat,every thing is new or rebuilt,radiator is rebuilt same time as motor. as far as a new one super chevy has the same acdelco supplyer,they have been sitting on the shelf to long, they all have leaked out the weap hole.im going to email jerry mcneish for a pump.
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post #4 of 7 (permalink) Old Jun 3rd, 03, 06:04 PM
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I'd be curious to know what you mean by "overheating". Is it just a high temp reading on the gauge, or is it boiling over and spitting out the vent tube?

What is your thermostat rated?

Have you replaced the rad cap?

Did you have the block bored and if so how much?


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post #5 of 7 (permalink) Old Jun 4th, 03, 02:15 PM Thread Starter
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over heating meaning boiling over,new radiator cap,180 thermastat,temp reaches red on gage,rebuild is 30 over.sounds like you live in town,i will be entered in sherwood car show june 14,white with black stripes.
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post #6 of 7 (permalink) Old Jun 5th, 03, 01:00 PM
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Al
 
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Sherwood? How would you like to live in Sherwood? Sure would! Sorry - bad local joke. I'm working on the 14th so I won't be able to make the show.

I'm baffled on your cooling problem. It sounds like everything's new. Perhaps a new H20 pump will clear things up. The only other thing that comes to mind is retarded timing or perhaps the cam was installed retarded. Hopefully someone will pitch in with some other suggestions.


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post #7 of 7 (permalink) Old Jun 5th, 03, 07:55 PM
 
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Listen, maybe they used the wrong head gasket
when they rebuilt it.. I saw the same problem on a z28 that a buddy of mine had. And problems started after rebuild. Maybe timing is too advanced. Also check to see if your catalytic converter isn't red hot may be clogged. You may also have an intake manifold leak..


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