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Old 01-11-2023, 06:01 AM   #1
sdotmurray
 
Drives: 2008 Yaris automatic
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2008 auto transmission drain plug.

Does anyone know what the metric thread callout numbers are on the automatic transmission drain plug for the 08 Yaris? I was thinking of changing it with a magnetic drain plug but I can't find this info online anywhere.

Thanks!
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Old 01-11-2023, 12:52 PM   #2
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I wouldn’t worry about that. Just drop the pan, change the filter,. You should measure the oil that drains out, and replace it with exactly the same volume of the new fluid.
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Old 01-11-2023, 01:29 PM   #3
sh0rtlife
 
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in reality a mag plug isnt all that beneficial in an auto....the filter gobbles up just about everything and anything metallic wont go thru the filter anyway
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Old 01-11-2023, 08:25 PM   #4
ex-x-fire
 
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Buy a couple of those strong magnets from Harbor Freight and stick them on the outside of the pan.
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Old 01-12-2023, 05:13 AM   #5
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Good idea except I think the oil pan is too round. I don’t think there’s any place flat. I have use those magnets and they are really amazing!
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Old 01-12-2023, 05:16 AM   #6
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Actually I would have to believe the drain plug is magnetic that’s already in there.
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Old 01-21-2023, 10:24 PM   #7
bairjo
 

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The ATF pan on my 2010 already has two magnets in it. I imagine it is the same for the 08. Also the filter is more like a screen. I replaced my filter at the time, but i won't waste my money on that again.
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Old 01-22-2023, 01:03 AM   #8
Billiam
 
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No need for additional magnets. There are already 2 in the pan.
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Old 01-22-2023, 05:36 PM   #9
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Quote:
Originally Posted by bairjo View Post
The ATF pan on my 2010 already has two magnets in it. I imagine it is the same for the 08. Also the filter is more like a screen. I replaced my filter at the time, but i won't waste my money on that again.
If you have the money and get a charge out of that kind of thing Why not change the trans oil and filter?

Is it really necessary? Probably not. Have I ever done it? No!

Now manual transmission oil I change that every 30,000 miles. Usually just like two or 3 quarts of that stuff. Automatic transmission oil there’s usually something like 8 quarts.
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Old 01-24-2023, 01:54 PM   #10
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You pretty much answered your own question Bronsin. I don't get a charge out of doing repairs on my car. Plus a new OEM filter on Amazon is $64. I'll just keep doing a double drain and refills every 35,000 Miles. I'm at 215,000 and the thing runs great.

For what it's worth, I did not change the ATF the first time until around 140,000 miles when I noticed some rough shifting during acceleration on the freeway. Changing the fluid and filter took care of that.....Amazing.
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Old 01-26-2023, 06:42 AM   #11
Billiam
 
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BTW, the drain plug is not magnetic
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