another alternator bites the dust - Toyota Yaris Forums

YarisSedan · 07-06-2011, 10:43 PM

Most electronic parts such as starters and altenators for toyota are all made by denso which is a really good quality part. Lot better than bosch and some of the other manufactures. Which is also why they typically cost more even for a remand. You say the voltage is at 14.1 which is no indicator that the altenator is bad. Most cars range from high 13.5-14.0 Also when you rotate the pulley for the altenator there is going to be a slight resistance its not going to spin like a idler pulley. Actually its more likely a idler pulley would go bad first. What i would do is with the belt removed start the car and see if the sound is gone 100 percent then you know for sure its an accessorie thats causing your sound.

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07-06-2011, 10:43 PM	#4
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	Most electronic parts such as starters and altenators for toyota are all made by denso which is a really good quality part. Lot better than bosch and some of the other manufactures. Which is also why they typically cost more even for a remand. You say the voltage is at 14.1 which is no indicator that the altenator is bad. Most cars range from high 13.5-14.0 Also when you rotate the pulley for the altenator there is going to be a slight resistance its not going to spin like a idler pulley. Actually its more likely a idler pulley would go bad first. What i would do is with the belt removed start the car and see if the sound is gone 100 percent then you know for sure its an accessorie thats causing your sound.