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Old 07-12-2015, 02:18 PM
86-300sdl 86-300sdl is offline
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Join Date: Nov 2007
Location: Carlsbad, CA
Posts: 520
Repair B2 or Replace Trans

I opted to have the trans replaced with a reman from Sun Valley Trans at around 300,000 miles. That was around 100,000 miles ago and I remain glad I went that route. The trans works flawlessly and not a drip to be found.

The original problem was believed to be a B2 thing too, however at 27 years the original trans seals were starting to go. I replaced a couple i.e. secondary pump seal but could not get to the rest of the seals.

So even though I needed B2 work I also needed seal work due to age...in particular the front main pump seal. I even came a hair away from buying a rebuild kit....but then although I've rebuilt a few manual trans over the years I read more about these trans and opted out of the DIY program for this repair.

Ran me about $1500 installed at Sun Valley in North Los Angeles. Kind of a "fix and forget" repair. These people are great.

It was one of only two times I've had to use a shop in 15 years but it was worth every nickel.
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1986 300SDL 440,xxx
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