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Is ok to use Dex6 in these P80 cars? The red bottle stuff?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Re: Is ok to use Dex6 in these P80 cars? The red bottle stuff?

Post by tardcart »

Ill bet the original poster back in 2016 no longer has the car due to transmission problems due do to aggressive solvents in the new formulation making goo out of the rubber parts.
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Re: Is ok to use Dex6 in these P80 cars? The red bottle stuff?

Post by abscate »

I think if your transmission is really crapped up a new oil could torch it, but there are three good long term refs for Valvoline !Maxlife upthread.
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Re: Is ok to use Dex6 in these P80 cars? The red bottle stuff?

Post by abscate »

I’m also using Valvoline Dex 6 MaxLife in SWMBOS BMW E83 for 100k now with good performance.

That’s a 6 speed GM transmission in that car. I do 4 liter drain and fills at 30k intervals
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