Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Jerking when in reverse (automatic)

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Old Apr 5, 2015 | 07:33 PM
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leeming's Avatar
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Default Jerking when in reverse (automatic)

Volvo 850 2.5 GL wagon. 1996. 180,000 km. No problems with ATM so far, and the fluid level is good (I checked using the detailed instructions I found on a Volvo enthusiast's Youtube channel, which involved running the car until warm, going through the gears 5 seconds each etc before checking the level) The oil colour is gold and not burned or smelling.

In last 2 months I have noticed sometimes when in reverse the traction slips with a mild jerk. This happens when there is a bit of power added as when I am reversing out of our driveway which slopes upwards (ie reversing up a hill). No problems when reversing on the flat.

I live in a Pacific islands country with no Volvo dealer. Is this a sign the car is on the way out?
 
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Old Apr 6, 2015 | 09:28 AM
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Have you done a visual check for torn motor mounts or transmission mounts? Any other symptoms - ie clunks etc?
 
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Old Apr 6, 2015 | 02:58 PM
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Thanks, I'll do that when I get a chance and refer back. Might have to ask someone with a lift. The symptom is slipping - ie the drive power to the wheels "slips". This causes a jerk
 
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Old Apr 6, 2015 | 07:40 PM
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hmmm. One other thought is to run the shifter from P to Lo about 20x to see if you can clean off the PNP switch contacts - (a long shot but can't hurt to try).
 
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Old Apr 7, 2015 | 03:15 AM
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OK will do that, thanks a lot. I'll need to ask a workshop to check the mounts.
 
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