Quote:
Originally Posted by Sky
Maybe- maybe not. I worked for 27 years for a large company that had hundreds of 4wd SUV's.
They were leased and maintenance was managed by a company that specializes in that.
We were under strict orders to NEVER let any shop do a trans flush. Their studies showed FAR more problems with ones flushed than just leaving them alone. Most of that was ascribed to quicky lube places having no clue and doing the trans flushes wrong.
We were held to 5000 mile oil changes and you'd hear from management if you weren't doing them.
They typically ran the SUVs for 150,000 miles then dumped them. I went through 9 of them during those 27 years.
The worst were a Dodge Durango and a Jeep Grand Cherokee. The best were Ford's. Had some GM's mixed in there that were almost as troublefree as the Ford's but not quite.
They never ever bought any non-US brand.
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That's a fair argument - not sure dealers can be trusted any more than quickie lube places these days. See so many struggle just to get the oil change right.
My personal experience has been with the wife's Infiniti. It's a G37 with 7 speed auto. Manual clearly states 7 speed is sealed unit and every maintenance interval calls out specifically DO NOT change fluid on 7 spd. So what does the dealer do every service? Tries to talk her into a transmission flush/fill.
But still... I think at some point it would be beneficial to change the fluid. It can't last forever, can it? I guess we'll see.