Heater Fan in 1998 Toyota Corolla is fried. How do I replace?
My heater fan has been making rumbling sounds for the past couple of years and finally died. I need to figure out how to get at it and replace it. Do I need to remove the dashboard to do so? Do I need any special tools do that ? Can you recommend reliable, inexpensive vendors for replacement parts? It is a 1998 Toyotal Corolla.
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There are very few 20 year old Corollas around, but by chance I passed a 1989 car which was going green with moss parked under a tree for a couple of years. I got permission of the owner and removed the heater unit, and fitted it. It worked first time. It is a credit to the build quality that it worked.
All that was wrong with mine was the fan had got very dusty and had stuck. I could have put the original unit back, but the "newer" one was in much cleaner condition. I've never done this sort of job before so it took me a whole afternoon. However, an experienced person who did this before would complete the job in about 45 minutes.
Sounds like you have air trapped in the heater core when you flushed the heater core. loosen the upper most heater core hose and run the engine untill coolant seeps out. Wait until the coolant has reached running temperature.
1st your fan motor may be going or something has fallen in the vents you will need to gain access for that, or it might be YOU MAY HAVE AIR BLOCK, OR BLOCKED HEATER MATRIX, CHECK FIRST CHECK THE HEIGHT OF THE HEATER MATRIX IN THE CAB , IF ITS HIGHER THAN THE FILLER/EXPANSION TANK. THEN COULD BE AN AIR LOCK, LOOK FOR THE HIGHEST PIPE AND SEE IF THERE IS A BLEED VALVE, IF NOT TAKE BOTH PIPES OFF THE MATRIX FEEDS (TWO PIPES GOING FROM ENGINE BAY TO INSIDE OF CAR, AND FLUSH OUT WITH HOSE TO SEE IF IT IS BLOCKED, AND RECONNECT LOWEST PIPE FIRST AND FILL SYSTYM TILL WATER APPEAR FROM TOP AND RECONNECT RUN MOTOR, AND KEEP TOPIN UP, YOU CAN BY A COOLENT FLUSH SOLUTION TO CLEAN THE SYSTYM OUT
Sounds like some leaves or debris may have made its way into your heater fan. heater fan assembly is under the passenger side dash in behind the glove box. You can get at it (or at least see it) by looking up in behind the dash while lying on your back, but this is difficult working position. Easier on back & arms if you remove lower dash section.