simple radiator...not me?

ztim · 10-04-2006, 02:08 PM

I drained the radiator the other day. Then I refilled it. Now it wants to boil over so I have to let it cool down before adding fluid. What is wrong with it? Did I do something wrong?

1984 Delta 88

ztim · 10-04-2006, 05:43 PM

I think the problem is fixed. I opened the petcock and while it was draining, I put a hose in the top and let the water run. Then, with the water running, I closed the petcock and then shut off the water before recapping the radiator. After all that, I refilled the reservoir. If this works tomorrow, I will put the antifreeze back in.

Oldsguy · 10-05-2006, 04:45 AM

you may have had an air pocket someplace in the engine block, air severely reduces the cooling capacity of a system. Hope you got it.

10-04-2006, 02:08 PM	#1 (permalink)
ztim Senior Member Join Date: Sep 2006 Location: SC Posts: 241	simple radiator...not me? I drained the radiator the other day. Then I refilled it. Now it wants to boil over so I have to let it cool down before adding fluid. What is wrong with it? Did I do something wrong? 1984 Delta 88

10-05-2006, 04:45 AM	#3 (permalink)
Oldsguy Administrator Join Date: May 2004 Location: Lees Summit MO Posts: 3,167	you may have had an air pocket someplace in the engine block, air severely reduces the cooling capacity of a system. Hope you got it. __________________ Dan '77 Cutlass Supreme '46 2 door

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10-04-2006, 05:43 PM	#2 (permalink)
ztim Senior Member Join Date: Sep 2006 Location: SC Posts: 241	I think the problem is fixed. I opened the petcock and while it was draining, I put a hose in the top and let the water run. Then, with the water running, I closed the petcock and then shut off the water before recapping the radiator. After all that, I refilled the reservoir. If this works tomorrow, I will put the antifreeze back in.