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Replace hydraulic ABS pump help 850

posted by  gzulli on  Mon Jul 23 15:05 CST 2012
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last visit: Wed May 29 19:55 CST 2013
[RELATED]

I posted what I thought was as simple brake issue port (see link below) on my 94 850 NA.

http://www.brickboard.com/AWD/volvo/1534717/850/850_rear_calipers_licked.html

But now the issue appears to be the ABS hydraulic modulator pump (non traction control unit.) See the picture below the unit is item#1. My dealer tech told me the pump is bad and would need to be replaced. I am not sure this is something a shade tree guy like me should be tackling (it is my son's daily driver) but at the same time I went to the pick and pull and was able to remove the part I needed relatively easy. It's always easier getting the part off since everything that is attached to it doesn't matter, just that part.

So does anyone have any experience getting the ABS hydraulic modulator pump installed? Also, does any company out there rebuild these units? I believe Volvo used Teves IV units but cannot find anyone who rebuilds these. My dealer tech said they would use a used part since the new unit is $1100+. I hate to put and old part in this car and have it fail 12 months from now. The plan is to keep this for at least 3 more years while my kids get out of college and here is no reason to believe this car won't make it.

I pulled the service manual info and once the pump i replaced it seems like a simple flush/bleed of the brake system. Anyone with hands on experience please post you experience. Thanks in advance.


--
1996 855 TL Platinum Ed., 1995 854 GLT 5 sp, 1995 854 (RIP), 2005 V70R (badly missed)






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