CHEVY WON'T QUIT OVERHEATING

2000 Chevrolet Venture

Tiny

makdg7

March, 30, 2008 AT 7:20 PM

Engine Cooling problem
2000 Chevy Venture 6 cyl Front Wheel Drive Automatic 130, 00 miles

I had changed the antifreeze, radiator cap, and thermostat. The van has rear heat, I keep bleeding the air out of the system and i'm getting nowhere fast, i've noticed that there is a motor type thing or a pump to the left side of the overflow tank, I can only get it to run if I run jumper wires to it. Is this thing causing any of my problems?

FOUND 13549 RELATED QUESTIONS

4 Answers

Tiny

Service Writer

March, 30, 2008 AT 7:44 PM

Fair chance of a leaking intake manifold gasket. Seen many of these on this truck. Are continuing to have to add coolant or is it staying full?

Post a pic of what your hot wiring.

Are the cooling fans operating when the engine reachs 220-230?

Tiny

dennyp

April, 5, 2008 AT 8:00 AM

I agree with possible intake gaskets leaking. The motor you are talking about is for the seconday air injection system.

Tiny

makdg7

April, 5, 2008 AT 9:35 AM

Well do you know if that pump is suppose to run all the time then? Because I have noticed that there is no power to the plug on it, I tested it with a test light. Also does it run off of a relay or fuse if so where is it?

Tiny

james36

August, 9, 2011 AT 7:04 PM

Why does the antifreeze bubble like its overheating in just the overflow container but the rest of the system is perfectly fine?

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