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99 s70 t5 auto to manual swap

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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Year and Model: 1999 S70 T5
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99 s70 t5 auto to manual swap

Post by Namieh » Sun Jul 08, 2018 12:32 pm

I've tried searching and can't find an exact answer. I have a 99 s70 t5 that the auto transmission is failing. I haven't tried flushing the fluid yet, but I found a 97 850 (unsure what engine I'll know tomorrow) manual car even has new clutch for cheap. (Bad motor) I've done 5 speed swaps before, I'm just checking if its compatible and what all I might need.
I'd assume the following
Clutch pedal
Shift linkage
(Hydraulic or cable clutch parts unsure what it actually is)
Speed sensors?
Wire reverse
Bypass park safety switch
Remove TCM

I think that's it, at least if its compatible. If its not please let me know and if i I'm forgetting or missing anything let me know.

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Re: 99 s70 t5 auto to manual swap

Post by j-dawg » Sun Jul 08, 2018 10:51 pm

Hydraulic clutch.
1999 V70 T5 5-SPD | ~270k mi | burns more oil than gasoline

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Re: 99 s70 t5 auto to manual swap

Post by abscate » Mon Jul 09, 2018 5:59 am

On a 1999 the ECU software will Be looking for TCU , which won’t be happy about the AT being missing

I believe this means you will have a check engine light on at all times. The solution will be to flash the ECu with software for a MT car, maybe another $200 of expense
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