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aut.transmission problem 850 GLT 1992

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Sommerfeldt
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Re: aut.transmission problem 850 GLT 1992

Post by Sommerfeldt »

Yeah, but you wouldn't see that much of a difference on an NA in any case. You need higher engine speed to move the exhaust faster, and overlap will keep the valves open to facilitate that flow. There's not much more than that going on in an NA.

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2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
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jantt
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Post by jantt »

Seems like I have found the problem.
Have now driven for nearly 3 weeks without problem.

Look like it was my tuning chips.
Have changed to old ecu boxes

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