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Old 01-13-2009, 09:21 AM
Mike D Mike D is offline
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Join Date: Jan 2006
Location: Tucson, AZ
Posts: 5,358
You don't need to do anything special. Have the radiator cleaned at a radiator shop. They'll inspect it and pressure test it.

The oil cleaner can be cleaned by them also. If it isn't leaking you can lie it on it's front with the oil fittings facing up. Fill it with some paint thinner/mineral spirits and let it sit for a day. Drain it, flush it out with more thinner and let it sit on end to dry. Just re-install it when you replace the radiator and you'll be good to go.

When you re-fill the cooling system you'll probably have to "burp" it. Undo the heater hose leading to the diverter valve on the firewall, fill the system, let it sit for half an hour, top it off, start the engine and when the coolant is flowing freely from the disconnected hose replace and tighten the hose. Bring the engine to operating temp with the heater controls on "heat", shut off the car, wait for cool down and check the coolant level.

The "radiator" in the front is actually the condensor for the A/C. The fan only comes on when either the engine temp reaches 210 F or when the A/C is engaged.
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