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URL:  http://boards.fool.com/more-and-more-automakers-are-eliminating-30217427.aspx

Subject:  Re: 2012 Miata MX-5 Date:  8/21/2012  6:22 PM
Author:  Fireballs Number:  11375 of 11821

More and more automakers are eliminating, declaring the transmission "sealed" and maintenance free.

Also Chrysler. In that case, the complexity added by thermal expansion of the ATF requires a dipstick measurment, an ATF temperature measurement, and a graph that shows the proper fluid level vs temp line. This must have come about from shrinking the size of the pan for packaging and weight reductions.

My Charger has a fill tube with a simple screw-in plug. I check mine with an aftermarket dipstick after an all-night cool down so that the ATF temp is the same as the local air temp. It hasn't needed a top-up in 120,000 miles, so perhaps the "lifetime fill" claim isn't too far from reality.

Neil
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