It has always been a souther California car so it hasn't had to endure any extream cold temperatures. Is there anything else this could likely be? I does warm for a few seconds then blows cold air. Replacing a heater core is not an inexpensive undertaking. Temp dropped like a rock at sunset. I also returned the replacement blend door actuator after confirming the old one works 100%, 52 bucks is 52 bucks. I find it quite easy to change from the hood side top without jacking the car up.
. You can also vent an engine by squeezing the upper radiator hose with the engine off and cold. Access this thru glove box area. A couple of cracks every 3 inches is normal, but if you see cracks every 1-2 inches I would recommend that you replace it. Replace the water pump and flush the cooling system. I removed both hoses off the heater core and connected the water hose to the outlet side of the heater core.
So yesterday I flushed it again. This will let you know if you have a blocked heater core not radiator. We have a new baby, he's almost 3 months now. Maybe will fix one just with mixed up memory. Felt like I was driving around in a sauna. Of course, might have to remove it to see if the door is not broken.
If I remember right, the biggest pain was getting the hose clamps off the heater core in the engine compartment. The heat is there because I pused the door open manually and got heat til no tomorrow. A… I start with a torch with a fine flame; first pop the hood,second start cutting from the top firewall to bottom of fender, 3rdcut from bottom of fender to front bumper9careful not to cut axle or brake line , 4th do same for right side. Is the blend door itself broken actuator is in good shape, checked it out the symptom of starting warm and going cold is typical of low flow through the heater core. The heat does not work -- it blows cold air. Topped it off and it seemed better, but I will wait until the wife thinks it's better before I call it done. I know there was a leak in the coolant overflow talk.
I'm not loosing coolant so I might just change thermostat and flush and see how it goes. But the emergency flashers don't work, but I can live with that. We had the radiator flushed, nothing. The most difficult part is getting the serpentine belt around the… Most cars and trucks today have what is called a serpentine belt which runs most accessories. Remove the leads to the old alternator. Essentially he clamped the lines going to and from it.
This is from the vent and not in the cab of the car. But otherwise yes the spring side always faces the engine in my experiences. I had my mechanic look it over and drive it as did I. Some of the V-6 engines have an air bleeder on top of the intake manifold to release trapped air. Thanks for your help, Regan Answer: It really sounds like the vacuum lines which control your air ducts under the dash may have developed a leak.
Because the cooling system was flushed doesn't mean the heater core is completely. Thanks for all the tips so far. But my heater was still blowing luke warm and cold air. Stop leak products usually cause more harm than good. Do you think the trans and the other problems are connected? Zep Okay, heater core is working like it should, still no heat, what are the odds it is just the actuator and not the blend door itself? Then slowly squeeze the upper radiator hose and you will see the air escape. I'm thinking it's the water pump. You can flush the heater core with a water-hose connected to the hoses to the core.
Had the cooling system fully flushed backflushed tons of crud came out, but still no heat, vaccumed out the intake for the heater and replaced the cabin air filter. I will recheck for leaks, as well as show mechanic post on fins earlier post. In other words you wont be removing a lot of stuff from the dash to get it out. Everything else, the blower, switching from vent to defrot to feet to auto, all seem to work perfectly so now I am not sure where else to look. It did not get hot. After reading everyones comment I decided to just flushout the heater core without removing it and it solvied my problem of no heat.