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Hidden oil/transmission gear oil leak

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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subzerocarfanatic
Posts: 156
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
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subzerocarfanatic

Re: Hidden oil/transmission gear oil leak

Post by subzerocarfanatic » Tue Mar 10, 2020 11:07 am

Yeah, i replaced the rubber o-ring that goes end of tube into the side of the engine,or oil pan and the top gasket.

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subzerocarfanatic
Posts: 156
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
Has thanked: 16 times
Been thanked: 1 time
United States of America
subzerocarfanatic

Re: Hidden oil/transmission gear oil leak

Post by subzerocarfanatic » Mon Mar 23, 2020 10:41 am

I just wanted to reply back on this topic. I think I have found the culprit, I am not 100& certain but I am pretty sure it is the RH side axle shaft seal, the seal that is end the RH side end of transmission where the axle slides in, i ordered new seal yesterday and got the correct one finally after being sent the wrong one twice already.It has to be that no other fluid level is low,the oil is right on the mark on the dipstick where it was when i filled it with fresh oil last month,it has not leaked a drop of motor oil, nor brake fluid nor power steering fluid.I noticed when pulling the RH side axle out yesterday not a drop of fluid leaked out of the hole where the axle slides in the seal and it has every time before when i removed it. So it has to be low.I hope i'm correct,this has been puzzling me for a month.

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