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1999 S70 AWD ATF LEAK

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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abscate
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1999 S70 AWD ATF LEAK

Post by abscate »

I’m seeping some ATF from the front of the trans. I’m guessing o ring on lower ATF hose
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4243F910-1D25-43A3-A5B7-DA12AE50C4A5.jpeg
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Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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scot850
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Post by scot850 »

AS we always recommend, clean, run and re-check. I don't think that bottom pipe is leaking. Hate to say it it looks more like an RMS which is often a symptom of standing for a long time. Try some Blue Devil or AT-205 RMS sealant if it is now available again in the engine oil and take it for a good run. I had a similar issue with the California bound 850 which started to leak on the run to CA. A bottle of Blue Devil in the oil just short of Reno and all was good by Santa Rosa. Still not leaking 6 years later.

Oil at the A/C compressor might be PCV which might also explain an RMS assuming that is it.

Point of Note!! Check your second picture above. Look at the upper mounting bolt for the A/C compressor!! EEK!

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
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abscate
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Post by abscate »

Transmission cooling parts
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Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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abscate
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Post by abscate »

Full transmission parts
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Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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scot850
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Post by scot850 »

Umm, should we be worried when you show the whole parts thread?? Hopefully you need little if none of this!

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
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abscate
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Post by abscate »

Link to solenoid pan cover service thread

viewtopic.php?t=65527

Link to sealer thread

viewtopic.php?t=97047&start=10
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Looks like I have the same leak as Geromino!
Looks like I have the same leak as Geromino!
88997571-A319-40D7-88CA-3F80D723BE24.png (4.15 MiB) Viewed 443 times
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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abscate
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Post by abscate »

Cleaned and dried it. Idled got 20minutes.

Nothing
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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User avatar
abscate
MVS Moderator
Posts: 35284
Joined: 17 February 2013
Year and Model: 99: V70s S70s,05 V70
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Post by abscate »

Looks like Transmission main seal, serp from the weep hole
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Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
Top
scot850
Posts: 14877
Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
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Post by scot850 »

That is not a fun seal to do. Ask my local dealer! They had to do it twice to get it to seal.

Maybe worth a shot at throwing a leak-stop type trans product?

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
Top
User avatar
abscate
MVS Moderator
Posts: 35284
Joined: 17 February 2013
Year and Model: 99: V70s S70s,05 V70
Location: Port Jefferson Long Island NY
Has thanked: 1502 times
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Post by abscate »

scot850 wrote: ↑10 May 2022, 19:52 That is not a fun seal to do. Ask my local dealer! They had to do it twice to get it to seal.

Maybe worth a shot at throwing a leak-stop type trans product?

Neil.
Definitely. And also parking on the left side depressed driveway side
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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