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In your 90 silverado 350 it only blows cool-warm air on high heat maybe the thermostat electronic switch ist opening a valve or a duct door need help thanks?
Wiki User
∙ 18y ago
If your engine warms up, but you don't get heat from your heater, check your coolant level, if it's low, this would be one explanation
Wiki User
∙ 18y ago
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99 grand am is over heating could it be the a bad thermostat?
Could be the thermostat not opening
What can cause a thermostat malfunction?
The primary cause of a thermostat malfunction is corrosion. It prevents the thermostat from opening and closing as it normally would.
What are the symptoms of a bad thermostat on a rx7?
the temp gauge will run ot then cool that is when the thermostat is opening again
Why might a 1990 Ford Escort read hot even after you changed the thermostat?
The thermostat is not opening up enough,
Why is the radiator fan getting switched on before the thermostat coil in viscous coupling opens contributing in fuel consumption?
The raditator fan temperature sensor has a lower set point than what the thermostat is opening at, if this is something new then suspect thermostat is opening late.
Why would a thermostat run hot and the car heater blow cold air?
Insufficient amount of coolant or thermostat not opening
If thermostat and timing and water is circulating right what would make a tbi 350 get hot at first and then whenit opens work fine after that unless its cold?
either faulty thermostat not opening soon enuff, or wrong temperature thermostat still not opening soon enuff
Which is thermostat opening temperature for an opel vectra 1.6 16V?
According to the Gates Thermostat book, it's 92 degrees. Matt.
You replaced the thermostat in your 2001 Chevy venture but the van is still overheating the top radiator hose is hard and hot to the touch like the thermostat is not opening up please advise?
The top radiator hose is above the thermostat. If the top radiator hose is hot, the thermostat is opening. The thermostat is not the problem. Perhaps the radiator is clogged up or the water pump is bad. Look elsewhere.
What is the operating temperature of a 1997 Nissan Pathfinder?
if you take the thermostat out of houseing and the opening temp should be on it , around 88 degrees opening
How do you get the air out of the cooling system on a 1993 silverado?
Park the truck so the front end is raised or jack it up, to get the radiator opening higher than the heater core. Then bleed the system normally by filling and running, heat on high, until thermostat opens. Then refill and top off.
Your mechanic used sealant to install thermostat on 99 Dodge Intrepid Could that prevent it from opening up?
Yesy - if the sealant got into the mechanism of the thermostat Yesy - if the sealant got into the mechanism of the thermostat Yesy - if the sealant got into the mechanism of the thermostat
