Re: 1941 Packard 120 Overheating

Posted by HH56 On 2023/6/26 14:35:50

Radiator flush would not hurt and remove the plug near the starter motor to help drain and force flush the block at the same time as the radiator flush. The thermostat could be faulty but since it apparently started suddenly also check timing and for any vacuum leaks. Vacuum leaks at the advance canister on the distributor have been found fairly often lately and something amiss there could lead to overheating.

If nothing else is found then worry about the coolant tube because that is not an easy thing to access.