Why does my Chevy C / K 1500 have no heat?
Why does my Chevy C / K 1500 have no heat?
Do it by leaving the radiator cap off while warming up to operating temperature, the coolant may overflow the radiator but that is the air working out of the system. When the thermostat opens the coolant level will drop in the radiator, at this point keep filling it as necessary until full.
What to do when transmission slips after engine warms up?
If the tranny is just starting to slip then you could install a transmission cooler and this may preserve the life that is left in the tranny. As you were told it slips when the fluid gets hot, once because it gets thinner. By lowering the temp 20 to 50 degrees this can help. You can’t post conmments that contain an email address.
Is the heater core on my truck leaking?
The heater core is not leaking 23 people found this helpful. No one has figured it out yet? 8 people found this helpful. Right? 2 people found this helpful. Still haven’t figured out the problem 2 people found this helpful. The core is clogged and like 40 bucks at parts store 1 people found this helpful. 2 people found this helpful.
Why is my car heater not blowing coolant?
Most likely based on what you are saying there is either air in the system or your water pump is not circulating very well, but that would also affect the temp of the vehicle. I have also seen where the fitting on the engine going to the heater hose plug up I would remove the hose then start the engine for a seconds to see if coolant shoots out.
What’s the problem with my 1997 Chevy Silverado?
I have a 1997 chevy 1500 siverado with a 5.7 vortec that has been having a problem for about 6 months now. The truck starts, idles, and revs normally and when accellarating slowly everything works just fine, but once you get past half throttle it falls on its face and acts like it has a clogged fuel filter or bad fuel pump.
Why does my truck idle when its cold?
When youre truck is just warming up, its still cold the efi is dumping fuel because its in like “Choke” mode. As it warms up, it leans the fuel air mix out to acomodate warm engine condition driving. So, when its idleing cold its got the fuel to compensate for the extra air leaking in.
Is there a removable chip on a 1997 Chevy Silverado?
There is no removable chip on a ’97 PCM. The computer can be reflashed (reprogrammed) with updated software if you have the equipment. Generally, a reflash will not rectify a situation that arose so late in the truck’s life.
Why is my heater control valve not working?
Depending on the amount of vacuum, the vacuum motor will close off the flow of engine coolant fully or partially. However, even if the heater control supplies vacuum the mechanical portion of the valve can fail, preventing the heater control valve from closing.
How does a heater control valve work in a car?
In some cars, the heat is regulated by a heater control valve that controls the flow of hot engine coolant from the engine to the car’s heater core. On older vehicles, the valve is operated by a cable, while newer vehicles used a vacuum actuator controlled valve. A heater control valve can fail in several ways.
What to do if your heater control valve breaks?
On a cable operated system, the cable can break or detach from the control levers, leaving the valve in the fully open position. Adjust the heat to the full on position with the engine at operating temperature. Then check the temperature of the hose on the inlet and outlet sides of the heater control valve.
Why is my hot water heater not blowing heat?
One way to check is to feel both heater hoses. If one is hot and the other not then no coolant through the core. Thus core plugged. If there was no heat at all and the temp gauge was reading really low, then possibly a thermostat stuck open.
What does it mean when your car has no heat?
Well, that doesn’t mean it wasn’t bad. You are correct on older vehicles that is usually the problem. One way to check is to feel both heater hoses. If one is hot and the other not then no coolant through the core. Thus core plugged. If there was no heat at all and the temp gauge was reading really low, then possibly a thermostat stuck open.
Why does my car still overheat and no heat?
Car still overheats and no heat. Only cold air comes out. My car has 105000 miles. My car has an automatic transmission. The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core.
Why does my car heater not work when I idle?
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core.
Why is my Chevy Silverado 1500 heater not working?
Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Heater Working? What are common reasons my Chevrolet Silverado 1500 has heater problems?
Do it by leaving the radiator cap off while warming up to operating temperature, the coolant may overflow the radiator but that is the air working out of the system. When the thermostat opens the coolant level will drop in the radiator, at this point keep filling it as necessary until full.
Car still overheats and no heat. Only cold air comes out. My car has 105000 miles. My car has an automatic transmission. The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core.
How can I tell if my Chevy Silverado is overheating?
This suggests to me that the coolant is being boiled by ADDED heat, not just normal engine operation. You can test for a bad head gasket by using a coolant pressure pump.
Is there an air lock in the heater core?
It sounds like you have a air lock in the heater core. follow this video to bleed the system . It also helps to turn the heater on high without the fan and also to raise the front end of the vehicle to help with moving the coolant through the engine. Repeatedly squeezing the rad hose also helps to push out air. Hope this helps
Why is only one hose goes to the heater core?
It also helps to turn the heater on high without the fan and also to raise the front end of the vehicle to help with moving the coolant through the engine. Repeatedly squeezing the rad hose also helps to push out air. Hope this helps Was this answer helpful?
How to tell if a Sierra 3500 HD heater is hot?
Check the temperature of the heater inlet and outlet hoses by feel. (The air temperature around the hoses must be at least 85°F (24 °C). Does the heater inlet hose feel warm and the heater outlet hose feel cold? Go to step 10 . On 3500 HD, Cab & Chassis, Sierra & Silverado: Inspect the temperature door operation.
