Enter your registered email address to request a password reset link. Rev the engine between 2500 to 4000 rpm off and on for 5 minutes, this should allow the water pump to force air out of the system. (With the fan on and off) The rest of your system may also have become damaged and will need to be inspected -- a failed A/C compressor can send bits of metal throughout the system in a major failure, and lead to bigger problems down the line if the system is not flushed out. If there is a leak in the system and there's not enough coolant present, you might not get enough hot coolant sent to the heater core, and the air blowing into your cabin won't warm up. Trending at $81.61. And on those chilly evenings, the heater had better be working well, even if just to clear the fogged-up windshield quickly. If the heater core goes bad, it'll need to be replaced. When the engine cools, the coolant shrinks, creating a partial vacuum in the system which will suck back some of the coolant from the overflow. Just Off the Loop 303, Between Cactus & Waddell Roads! 1 in. I still have just the slightest amount of air I'm trying to get out after I replaced a radiator. I have flushed my heater core in the past with just a regular hose, seems to flow fine and will get even heat on both sides but overtime the passenger side (left hand side) will begin to show signs of it being cooler then the drivers side. Car: 2001 Subaru Forester S Modifications: None Problem Description: 1 - It started when the weather got colder, but when I turn the dial on my climate control knob to the hottest setting, it takes about 30 minutes to get hot, then stays hot for about 20 seconds, and then blows extra cold air. Let engine cool for at least four hours. When the A/C system or heater isn't working on your car, you want to know what could be the cause and what'll need to be done to fix it. ... A failing heater core may cause the car's interior to smell like engine coolant. Over time, this very corrosive, concentrated coolant will eat its way through the aluminum where there is no solid stream of coolant flowing and perforate the heater core. ... 4.5 out of 5 stars (2) 2 product ratings - 05-09 Subaru Outback A/C Heater Control. Larry Over time, wear on the system could cause one of the hoses, seals, the A/C compressor or the A/C condenser to spring a leak. HI JUSTIN, went to Subaru dealer. Seems good and problem solved so far. Directions After the heater core was replaced on a 1996 Subaru Legacy the CEL flashes whether the engine is running or not. Our people also have some more pictures related to Wrx Radiator Flow ⦠You may have the dreaded Subaru Head Gasket issue. This one's pretty simple. And don't over-tighten or it will break. The A/C system is a complex one that helps to pull warm, humid air from the cabin and replace it with cool, dry air. You'll want the coolant system topped off to see if that fixes the problem. Subaru. I still have just the slightest amount of air I'm trying to get out after I replaced a radiator. Heater core 98 wrx - posted in General Discussion: while giving my rex an allover service i flushed the radiator. It's easy! The A/C compressor is the centerpiece of your car's air conditioning system. i assumed the heater core had a leek, so i reconnected them and suprise suprise theres coolant allover the passenger footwell. At the base of the windshield, outside air is taken into the climate system, and could bring debris like leaves, dirt, dust and other road grime with it -- clogging the heater core. The main distinctive feature of Subaru automobiles is an all-wheel drive layout, which is standard in most models. When the engine cools, the coolant shrinks, creating a partial vacuum in the system which will suck back some of the coolant from the overflow. You will need to remove the air filter box from the truck, just pop the clips, loosen the clamp at the air box right at the throttle body, remove the lid and hose and set it aside. Remove radiator cap. When your windows start fogging up for no reason, coolant starts leaking, or there is a sweet smell inside the cabin, turn to AutoZone to get a new aftermarket heater core ⦠The smell will become worse when the heater is turned on. ... Subaru Impreza GC8 & RS Forum & Community. The temp needle doesn't move and heat works, but there's just a bit of gurgling. Get the best deals on Heater Parts for 2003 Subaru Legacy when you shop the largest online selection at eBay.com. Be sure the heater is on so you get air out of the heater core. Thanks again, You need to be a member in order to leave a comment. You may use the same coolant if you drained it into a clean container. There is a line of hot coolant coming from the engine, and there is a return line. If your car's A/C seems to be working well, but just isn't blowing quite as cold as you like, you may be running low on refrigerant. Then still ran it another twenty minutes. Air temperature into the cabin is controlled by regulating the amount of coolant passing through the heater core. This only occurs with the heat on. i also noticed the heater core tubes were disconnected and bypassed. Also, as the engine heats up and the thermostat begins to open, you should have bubbles leaving via the filler neck. The heater core is a smaller radiator, but instead of exchanging the heat with the outside air, it sends the hot air to the blower motor and through the climate vents. It can cause the air from your A/C system to blow downright hot into the cabin -- not exactly ideal for Phoenix-area summers. We provide the right products at the right prices. ... Connect the servo connector support beam, engage the airbag system and connect the AC unit, heater hoses and air intake system. I'd get a sniff test done, to see if the coolant is getting into the engine, and a pressure test to see if the cylinders are all around the same pressure. RepairPal will help you figure out whether it's your Heater Blower Motor, Thermostat, Heater Blower Motor Resistor, or something else. The blend door is what routes air from the cabin through the hot heater core. On most modern cars, the A/C compressor is typically belt-driven. Just like your radiator, the heater core can rust, corrode and clog inside over time, reducing its ability to exchange heat. Some coolant will spill over, so I reconnected them and suprise theres! Improve your experience, personalize content and ads, and blower motor Resistor, or the blower motor case. 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