overheating
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 1,066
Likes: 21
overheating
A&A supercharged dewitts radiator. Out and about last night car hit 260 when I got home. I immediately turned car off. No coolant in oil. Topped off with water and wetter fans are running. Bled the sytem. Top hose won't get hot. Jumps to 220 really fast. Thermostat or waterpump? Either got to take the supercharger off. FML
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Tech Contributor
Joined: Dec 1999
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From: Anthony TX
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St. Jude Donor '08
Do what you gota do and start with the thermostat.
When you get it out, dunk it in HOT BOILING water and see if it is the smoking gun!
Even if it isnt, I would replace it. Do you have the stock stat or a lower temp stat?
Bill
When you get it out, dunk it in HOT BOILING water and see if it is the smoking gun!
Even if it isnt, I would replace it. Do you have the stock stat or a lower temp stat?
Bill
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,684
From: Southeast TX
Yep...and if your water pump is well past middle age (whatever the hell that is), you might consider changing it also. If the s'charger is easy off and on, maybe not. If it's a real PITA, rebuilt pumps are around a hundred bucks.
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Melting Slicks
Joined: Aug 2010
Posts: 3,063
Likes: 82
From: Tumwater, WA
air pocket? Not sure if the new radiator is like the stock one being completely enclosed. When I changed my coolant I had an air pocket and it did what you are saying. massaged the hoses and all the things your suppose to do and that worked.
Melting Slicks
Joined: Feb 2004
Posts: 3,307
Likes: 110
From: Tucson AZ
These cars are tough to get the air pockets out of the cooling system. I don't know the history here, but I would try filling/refilling the radiator 2-3 times before I would take it apart and blame the water pump or thermostat.