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Anyone Done A Transmission Swap on '08 XC70

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lewisness
Posts: 13
Joined: Tue Aug 01, 2017 10:34 am
Year and Model: 1998 S70 T5 5sp, '08
Location: Oregon Coast
United States of America

Anyone Done A Transmission Swap on '08 XC70

Post by lewisness » Mon Dec 17, 2018 1:43 pm

Hey folks, I'm pondering swapping out my shuddering, rumbling, slam-shifting trans for a low mile junk yard tranny. Anyone have experience with this?

I've swapped motors on my son's S70 T5m and have the use of a friend's fully loaded repair shop at night so it won't be a driveway job.

Would one pull the engine/trans or drop the sub frame or...? Would I need the TCM from the donor car?

Thanks in advance. Jim
Present:
'98 S70 T5M
'08 XC70
‘15 Q7TDI

Past:
'95 850 Turbo
'97 850 T5
'97 850R
‘98 V70XC
'00 V70R
'02 S60 T5
'02 V70XC



“I spent half my money on gambling, alcohol and wild women. The other half I wasted.”
-WC Fields

E Showell
Posts: 2548
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70 '98 FWD NA 5spd
Location: Long Valley, N.J.
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Been thanked: 18 times
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by E Showell » Mon Dec 17, 2018 2:18 pm

How many miles? Have you done the obligatory transmission drain and fills before writing off the tranny as junk?
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (soon to be for sale)
'99 S70 NA FWD Auto, black (sold and resurrected)
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic

lewisness
Posts: 13
Joined: Tue Aug 01, 2017 10:34 am
Year and Model: 1998 S70 T5 5sp, '08
Location: Oregon Coast
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by lewisness » Mon Dec 17, 2018 4:34 pm

There's just under 100K. I did not do any drain/fills. I took it to the dealer to diagnose and estimate the repair as I am not too enthusiastic about these bigger jobs the older I get. They basically told me to pound sand by way of the $9000 estimate they gave me. They charged me for 2 hours of labor at $140 a copy and I left. Grrrr.
Present:
'98 S70 T5M
'08 XC70
‘15 Q7TDI

Past:
'95 850 Turbo
'97 850 T5
'97 850R
‘98 V70XC
'00 V70R
'02 S60 T5
'02 V70XC



“I spent half my money on gambling, alcohol and wild women. The other half I wasted.”
-WC Fields

E Showell
Posts: 2548
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70 '98 FWD NA 5spd
Location: Long Valley, N.J.
Has thanked: 3 times
Been thanked: 18 times
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by E Showell » Mon Dec 17, 2018 7:24 pm

At 100k miles even if no prior transmission fluid changes, you may be well short of the need to change the box. First thing I'd do is find some appropriate spec. tranny fluid and do 3-4 drain and fills and see if that helps you out. You'd be amazed what clean transmission fluid can do for you. The only wrench I'd put on that car for now is on the transmission drain plug. A case of transmission fluid is way cheaper than even a used transmission.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (soon to be for sale)
'99 S70 NA FWD Auto, black (sold and resurrected)
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic

lewisness
Posts: 13
Joined: Tue Aug 01, 2017 10:34 am
Year and Model: 1998 S70 T5 5sp, '08
Location: Oregon Coast
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by lewisness » Tue Dec 18, 2018 9:53 am

Thank you for the input E. I'll start the flushing!
Present:
'98 S70 T5M
'08 XC70
‘15 Q7TDI

Past:
'95 850 Turbo
'97 850 T5
'97 850R
‘98 V70XC
'00 V70R
'02 S60 T5
'02 V70XC



“I spent half my money on gambling, alcohol and wild women. The other half I wasted.”
-WC Fields

E Showell
Posts: 2548
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70 '98 FWD NA 5spd
Location: Long Valley, N.J.
Has thanked: 3 times
Been thanked: 18 times
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by E Showell » Tue Dec 18, 2018 10:10 am

Drain and fill, not flush. Flush may dislodge nasty stuff and wreak havoc. Gentle is the key here.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (soon to be for sale)
'99 S70 NA FWD Auto, black (sold and resurrected)
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic

E Showell
Posts: 2548
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70 '98 FWD NA 5spd
Location: Long Valley, N.J.
Has thanked: 3 times
Been thanked: 18 times
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by E Showell » Tue Dec 18, 2018 11:01 am

And it won't necessarily show dramatic improvement after just one drain/fill cycle. Three or four cycles will show maximum improvement.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (soon to be for sale)
'99 S70 NA FWD Auto, black (sold and resurrected)
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic

lewisness
Posts: 13
Joined: Tue Aug 01, 2017 10:34 am
Year and Model: 1998 S70 T5 5sp, '08
Location: Oregon Coast
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by lewisness » Tue Dec 18, 2018 11:05 am

Roger that. More like a slow infusion of clean fluid over a period of time (or miles)?
Present:
'98 S70 T5M
'08 XC70
‘15 Q7TDI

Past:
'95 850 Turbo
'97 850 T5
'97 850R
‘98 V70XC
'00 V70R
'02 S60 T5
'02 V70XC



“I spent half my money on gambling, alcohol and wild women. The other half I wasted.”
-WC Fields

E Showell
Posts: 2548
Joined: Thu Oct 16, 2008 4:00 pm
Year and Model: V70 '98 FWD NA 5spd
Location: Long Valley, N.J.
Has thanked: 3 times
Been thanked: 18 times
United States of America

Re: Anyone Done A Transmission Swap on '08 XC70

Post by E Showell » Tue Dec 18, 2018 12:07 pm

Exactly, although some will say simply shifting the car between gears on jack stands is a sufficient means of circulating the fluid between D & F cycles, so the draining and filling can be done in a short span of time, I've never tried it that way. I usually wait a week or so of driving between D & Fs, but whose to say it can't be done differently?
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (soon to be for sale)
'99 S70 NA FWD Auto, black (sold and resurrected)
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic

jimmy57
Posts: 6063
Joined: Fri Nov 12, 2010 9:25 am
Year and Model: 2004 V70R GT, et al
Location: Ponder Texas
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Re: Anyone Done A Transmission Swap on '08 XC70

Post by jimmy57 » Tue Dec 18, 2018 12:15 pm

Unscrew the TX40 and then undo the 17mm inside hex and let it drain for 30 min or more. Start and immediately kill the engine to get it to burp a little more fluid and let it drain for a few. Then a gallon will be the correct fill and you can skip the warm and drip biz for fluid level.

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