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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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Namieh
Posts: 2
Joined: Tue Jul 03, 2018 9:04 pm
Year and Model: 1999 S70 T5
Location: NE
United States of America

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
Transmission
Clutch
Flywheel
Clutch pedal
Shift linkage
Shifter
(Hydraulic or cable clutch parts unsure what it actually is)
Speed sensors?
Wire reverse
Bypass park safety switch
Axles?
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.

j-dawg
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Joined: Sat Apr 20, 2013 10:56 am
Year and Model: 1999 V70 T5
Location: Los Angeles, CA
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United States of America

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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abscate
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Posts: 14742
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 1999 V70T5, 2005 V70
Location: NYC
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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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