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1996 850R Wagon - strange vibration while in reverse

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

scot850
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by scot850 » Fri May 29, 2015 3:09 pm

Glad Misha got you pointed in the right direction after I miss-understood the issue. Great call, and that crank mount is a common failure, as oil always seems to get on it from somewhere!

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

dmack87
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Year and Model: 1996 850R Wagon
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by dmack87 » Fri May 29, 2015 3:56 pm

It was leaking oil that killed it, and even after doing the PCV I still have a leak. I'm afraid I let the PCV go too long now I am faced with figuring out where the leak is coming from and fixing it. It never ends!

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misha
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by misha » Fri May 29, 2015 4:39 pm

There are no rules...i had no oil leaks onto it.After 17 years of doing it's job...it doesn't matter. :wink:
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

scot850
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Joined: Mon Apr 05, 2010 2:46 pm
Year and Model: 2000 V70 R
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scot850

Re: 1996 850R Wagon - strange vibration while in reverse

Post by scot850 » Fri May 29, 2015 10:58 pm

If you still have leaks on the front of the engine in the cam belt area, the usual culprits are the main front crank seal, or oil pump seal, and the cam seals. By removing the timing belt plastic cover, it may give you a better idea. Take some photos if you can, and we can try to help pinpoint the culprit!

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

dmack87
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by dmack87 » Thu Jun 04, 2015 12:00 pm

Neil, I started a new post on the oil leak with pictures. If you want to take a look, I would appreciate it!

http://www.matthewsvolvosite.com/forums ... =1&t=70177

mferna1
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by mferna1 » Mon Feb 03, 2020 4:16 pm

Experiencing similar issue on a 1996 Volvo 850 GLT Wagon. Ordered the Passenger lower right mount that bolts onto cradle with (2) 17mm bolts and to motor with (2) 14mm bolts. I changed mount, but vibration in reverse still present. I have to change my top mount as it moved over to passenger side. Is there any other mount locations or issues that will cause this vibration?

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Sveedy
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Re: 1996 850R Wagon - strange vibration while in reverse

Post by Sveedy » Tue Feb 04, 2020 8:36 am

Having just replaced the mounts on my 96 a couple of days ago, I can only give you my take those. I would think the mount by the crank pulley would be most likely to cause vibration. More potential for metal to metal contact. The two others are big hydraulic mounts, one back near your exhaust and the other near the dipstick. There is also a transmission torque rod, but I can't see that causing vibrations at low speed in reverse. I guess if it's really shot. Maybe as mentioned in this thread you have a brake issue of some sort.
All I got ...

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