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Oil leak rear cam seal

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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dang5002
Posts: 12
Joined: 9 November 2015
Year and Model: S70 AWD 99
Location: North Carolina

Oil leak rear cam seal

Post by dang5002 »

Had a mechanic find an oil leak at the rear cam seal. When he got the cover off, he said there was no seal to replace. Anyone ever had that happen? I've own this car for 15+ years and I know it hasn't ever been changed since I have owned it.

Comments appreciated.

dang5002
Posts: 12
Joined: 9 November 2015
Year and Model: S70 AWD 99
Location: North Carolina

Post by dang5002 »

Sorry it is a 99 s70 awd

101
Posts: 135
Joined: 11 March 2013
Year and Model: 98 V70GLT, 98 S70T5M
Location: Cincinnati

Post by 101 »

Sounds like you need a new mechanic.

Could the seal have been loose and fallen out during the disassembly? Possibly.

The seal cannot detach itself from the engine because the distributor (98 and prior) blocks it on the intake cam and the cam position sensor blocks it on the exhaust cam.

If the seal were not present at all, the engine would be leaking like crazy.
101

1998 white V70 GLT 230K "Elsa"
1998 white S70 T5m 180K "Anna"

kahl
Posts: 943
Joined: 27 October 2012
Year and Model: 2000V70XC
Location: columbus ohio
Been thanked: 10 times

Post by kahl »

On the 99 and 2000 intake cam there was no seal installed. Just the plastic cover. A cam seal can be installed then pop on the plastic cover. I don't think the plastic cover is reuseable. I always install a new cover.

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