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SR180 alternator


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Hello all.

  Warning lights came on my '08 SR180 last night - Battery, warning triangle, fuel filter!, and "check battery". I got home okay, but when I checked, it wasn't charging, so I guess I'll need to recondition or exchange the alternator. I was just checking prices out, but there seems to be two options; 100amp and 130amp. Any ideas as to which is standard? It was more than capable before it went !Removed! up!

Thanks,

  Paul.

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Easiest is to check the part number on yours, and get the same.

Or you can go to japan-parts.eu and enter your VIN, find the alternator and see the part number.

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If you want to be sure, the one on the car should have a rating on it, so take a look around it for a tag plate.

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Should be taking it off tomorrow, so will check it then. I can use my brother's garage and lift, so might as well do oil and filters, new belt, and check the tracking too!

Thanks for the advice.

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Being Toyota, I guess it is a Denso alternator. Denso makes great parts but their alternators seem to be a weak link. I have had to rebuild or replace these alternators in both my old corolla and Aygo after 8 years or more of ownership. While chosing the alternator for Aygo I noticed that they were two different types with different amp ratings. This time I chose a non Denso alternator. 

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I don't think the exchange unit was a Denso one, so hopefully I won't have any more trouble with it.

My next job is to see if I can improve the dreadful fuel economy! I may try getting it re-mapped. Hopefully that will improve the low down grunt, which is very poor below 1500rpm.

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