THE TRANSMISSION HAS NEVER BEEN FLUSH OR HAD NEW...

  • Tiny
  • Anonymous
  • 1999 Buick Century
  • 150,000 miles

The transmission has never been flush or had new fluids put in. Should I have that done?

Tuesday, February 12th, 2013 AT 1:36 AM

1 Reply

  • Tiny
  • caradiodoc
  • Expert
  • 25,451 posts

Most manufacturers recommend having the filter and fluid replaced every 36,000 miles. I too let that go on one of my vehicles. It's an '88 Grand Caravan that I use to drag around a tandem axle enclosed trailer that's bigger than the van. The filter was replaced once, at 84,000 miles because the $3.50 side cover rusted out and I was in there anyway. Now it has 240,000 miles. That's not neglect, ... That's abuse. I don't recommend you do the same thing. I'm not convinced a flush is needed on your car. In fact, there have been a few anecdotal stories about high-mileage transmissions developing problems after being flushed. I don't believe all the reasoning or stories I've heard, but to be safe, I'd stick with a simple fluid and filter replacement. That will replace three to four quarts of the fluid which is about half of it.

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Tuesday, February 12th, 2013 AT 2:25 AM

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