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05 radiator leak

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Old November 10th, 2011, 11:37 AM
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Default 05 radiator leak

I have an 05 chevy express 3500 passenger van. I noticed radiator fluid leaking from the bottom of my radiator. Any ideas where it might originate? I checked all visible hoses. It is not leaking from the cap either. It is not pulling from the reservoir to keep my radiator full.
Old November 10th, 2011, 1:19 PM
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Originally Posted by ktjwillis
I have an 05 chevy express 3500 passenger van. I noticed radiator fluid leaking from the bottom of my radiator. Any ideas where it might originate? I checked all visible hoses. It is not leaking from the cap either. It is not pulling from the reservoir to keep my radiator full.
You might have to pressure test the system. There is a hand pump that goes on where the cap is. AFTER THE SYSTEM IS COLD, remove cap, install pump. pump it up to 12-15 psi. Then check for leaks. These pumps aren't very exspensive.
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