1992 Saturn SL2 "thermostat override" Questions

overheats unless ac is running 3.8L v6 The thermostat may be stuck. If it dosent open then the engine will overheat. If you turn the ac on then the air rushing around the engine will help cool it down

...thermostat housing, usually yellow and black). This should override the computer and energize the fans. If you have good power and ground at the fan connector, then the fan motor is no good. If you ...

...Thermostat Replacement? If not, then have this done before any further attempt at diagnosis. There are small brass Bleeder Valves located at strategic points on these vehicles and in plain sight. ...

...thermostat and still having the same problem the heat only works on and off and now the van overheats, i also noticed that one of the radiator hoses is extremely hot and the other is cold even while ...

THERMOSTAT. To do that... You don't need to know anything about GROUNDS (here either)... Use the BBB Industries link (below, registration required) to pull up your thermostatic switch... and configure

...dealer if there have been any recalls or service bulletins the problem here is going to be in the thermostatic control valve sticking. youre going to need to replace it, recharge the system and it ...

... new thermostat, radiator is clean, can unplug sensor and override and make both fans come on but won't come on independantly. supply power and ground direct to the fan if still inop you need a new ...

...thermostat,fan relay. Tested fan on the bench it checks okay. go to a near by workshop Will your engine overheat ? This sounds normal, there is an override that turns the fan on when the ac is turned ...

...override cooling electric fan on 2002 volvo xc70 2.5T to assist cooling when towing trailer the fan will come on when the coolant temp reaches a preset temperature normally around 85 C by passing the ...

...thermostat housing or radiator that switches on the fan. Later vehicles with digital electronics it is the management computer or an auxilliary computer that decides when the fan is switched on. Lots ...