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there is a little electric motor located under the dash on the heater box it opens a little door in there that directs the air to the defroster, vents, under the dash etc. those are bad about going out.
If air flow is reduced when a/c is on- could be an incorrect refrigerant charge - causing the evaporator to "Freeze" When you shut of system evaporator has a chance to defrost restoring air flow. Try turn vent only on when air flow is reduced to see if evaporator defrosts and air flow restored
What else can I help you with?
Why wont the Heater on 2000 Chevrolet silverado get warm but not hot i have changed thermostat?
What temp. thermostat did you put in? Try a higher temp. one. or check to see if heater core is clogged
Does smoking Marijuana with the heater on get you higher?
No
Does turning up the water heater make hot water last longer?
Turning up the water heater can make hot water last longer by increasing the temperature of the water in the tank, which can help it stay hot for a longer period of time. However, this can also lead to higher energy consumption and potential safety risks, so it's important to find a balance between temperature and efficiency.
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.
What is the Specifications for fuel pressure for a 1999 Chevy silverado?
54 LBS. to 62 LBS No lower and no higher.
What is the fuel pressure of a 1999 silverado?
55 PSI to 62 PSI no higher are lower are you will have starting or running problems.
What is the cost comparison between a tankless water heater and a traditional tank water heater?
The initial cost of a tankless water heater is higher than a traditional tank water heater, but over time, a tankless water heater can be more cost-effective due to its energy efficiency and longer lifespan.
How much was a Chevy Silverado in 2003?
In 2003, the price of a Chevrolet Silverado varied based on the model and trim level, but the base price for a new Silverado typically ranged from around $22,000 to $30,000. Higher trims and additional features could push the price up significantly. Overall, the Silverado was known for its reliability and strong performance in the full-size truck market during that time.
Heater problems on ford 1999 expedition?
the heater blows warm air when fan is on low but blows cold air when fan is turn to higher setting
Stock fuel pressure on 1995 Chevy Silverado?
9 to 13 LBS. No higher are lower are you will have starting and running problems.
What is the correct fuel pressure for a 1993 1 ton 454 silverado?
9 to 13 LBS. No higher are lower are you will have problems.
What is the fuel pressure of a 2002 1500 silverado with a 4.3 liter?
60 to 66 PSI. If it is any LOWER OR HIGHER you will have problems.
