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BROKEN TRIP/ODOMETER 850

posted by  old paint on  Sun Dec 26 10:44 CST 2004
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last visit: Wed Jan 2 06:09 CST 2008
[RELATED]

well, one thing they didnt fix....with the 850 is the speedometer problem. in 144, 164, 240's you cant reset tripometer while vehicle is moving. guess what YOU CANT DO THAT TO YOU 850's EITHER!!!!!!
now how many of you have had this problem and the fix is what? and how much?
i know that since the 7 series dont have speedometer cables....does this one?
darn and we just spent $400 in the timing belt/water pump replacement....while they had it in the shop they found the plastic/alum radiator was leaking and their is no fix other then replacement to the tune of $350 mo money!!! now we took it on a 2 hour road trip...and its got a vibration in the steering wheel at 72-75 mph....rotate and balance?








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    BROKEN TRIP/ODOMETER 850

    posted by  someone claiming to be Dan on  Fri Dec 31 05:20 CST 2004 [RELATED]

    The gear that wears out in the odometer suffers from plastic tooth fatigue regardless of whether you hit the trip odometer reset button while moving the vehicle or not. This is why the latest model vehicles have digital odometers and trip odometers. Less mechanical problems are encountered with digital odometers. This however does not solve your problem.

    As the other responder noted odometergears.com and volvospeed offer help with supplying the plastic gear and directions to remove the instrument cluster. Nevertheless, directions to disassemble the instrument cluster to get at the odometer are lacking (unless odometergears now provides instructions on how to disassemble the cluster- I haven't checked lately). When I did this operation ( 1 year ago), I used a site called Tim's Tent (for cluster disassemly instructions). I cannot locate this site lately. I have noticed that ipd has just advertised that it will sell the gear and a dvd which instructs you in the methods used to remove and disassemble the instrument cluster for about $50.

    You do no want to go to the dealer for this repair. They do not like to open up the instrument cluster as there are too many delicate electronic parts to break. They will want to replace the instrument cluster $800 and charge you two hours to labor to remove and replace the cluster.

    Dan

    Dan








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    BROKEN TRIP/ODOMETER 850

    posted by  Hamfisted on  Mon Dec 27 18:53 CST 2004
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    You have to pull the instrument panel out and replace the little odometer drive gear. You can order one from www.Odometergears.com for about $25. Its a tiny gear. You can find instructions for pulling the instrument panel over on Bay-13 at VolvoSpeed.com.



    Mike
    '95 850T








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      BROKEN TRIP/ODOMETER 850

      posted by  ralpha on  Fri Dec 31 05:08 CST 2004
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      last visit: Tue Jul 8 01:12 CST 2008
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      I just finished that task on my own 94 850 Turbo. Not too difficult, but care is required. You have to basicly tear down the instrument cluster to get at the odometer and replace the little gear. Just a lot of torx screws and then carefully separate the gauges from the mother board. Also, a note about the Bay 13 instructions on removing the cluster from the dash. It's quite detailed and almost perfect instructions, except that there are three green electrical connections that must be disconnected. Two on the top (as mentioned on Bay 13) and a third on the back of the cluster that is tougher to get at. Just don't pull it out thinking that the cluster is free when there is a third connection in the back.







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