Foam in Radiator ???
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Tuned
Joined: May 2003
Posts: 317
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From: New Jersey
Foam in Radiator ???
Hi gang, my Pop's 90 F150 302 is "foaming" up in the radiator and is not making any heat. Typical, the coldest day in decades in the North East ! Where should I look for the problem ?
Thanks, Chet
Elder User
Joined: Aug 2003
Posts: 694
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From: formerly Brooklyn NY now
only time ive seen foam in a radiator is if you didnt get all the flush stuff outadding fluid for heat is cool but you may nneed to bring it in for a radiator service leaving the cleaner in there isnt good for it
Junior User
Joined: Jan 2004
Posts: 79
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From: Pittsburgh, PA
Foam is generally indicative of air or something else mixing with the coolant. Does the coolant smell like anything else? You could possibly have a bad head gasket and exhaust is mixing with the coolant. A trick for confirming this is to have an exhaust analyzer probe stuck into the filler neck and see if there is any reading. It still can be as simple as flushing the system and putting a new thermostat in. Try simple first.
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Gordon Freeman
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Aug 11, 2010 11:44 AM
