Typically the AC compressor is worn out by about 150,000 miles in warm and/or humid climates. It is recommended to replace the complete compressor including a new clutch and rpm sensor, and to replace the receiver/dryer as well.
Problems for specific Toyota Corolla years:
Car problem reports
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Most reported Toyota Corolla problems
The AC Expansion Valve may develop a very slow leak or allow too much refrigerant flow which reduces cooling. Our technicians tell us that Toyota makes an updated expansion valve to resolve these problems if and when they occur.
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians remind us to to use only factory quality rotors when brake rotors are replaced.
Engine burns oil which destroyed catalytic converter
Occasionally, the timing chain and sprockets need replacement due to premature wear and problems with the variable valve timing system (VVTi).
for about 1 week been putting in a qt per day of fluid my mechanic replaced sealbut still leaks a little especially when parked what 2 do
I wanted to share something I just found out this weekend when I took my 2009 Toyota Corolla in to the dealership. Problem was that I was hearing a loud humming sound in the cab. I could tell it was coming from the rear of the car. In addition, my airbag light went on. The problem was that my driver side rear axle bearing was out. Cost for the job, approx. $700. The continuously lit airbag light was fixed by installing a clock spring? C...
Around 72k miles, my engine started making a load noise. Took it to the dealership and the water pump literally fell apart in the technicians hands. I had the extended warranty so the replacement was covered minus $100 for a new belt that was not covered by the warranty.
The last 2 times it has rained my driver's side floor board has been full of water. Took it to the shop and determined the drain for the sun roof was clogged.
Started the car one morning and the transmission started shifting extremely hard between 1st and 2nd gear. Took it to the dealership and the entire transmission had to be replaced. Thank goodness for my extended warranty. A $3700 repair cost me $50.
Noticed one morning when opening my door that the molding at the base of the driver's side window was cracked in half on the front and rear door, allowing rain to get inside the door. This is not covered by the extended warranty, and cost $150/window for the dealer to replace.