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ABS Sensor

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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osmium
Posts: 208
Joined: 2 July 2009
Year and Model: 96 850 GLT
Location: Nashua, NH

Re: ABS Sensor

Post by osmium »

holler1 wrote: Re: ABS sensors. I have had intermittent problems with the wiring to one front wheel sensor, and had to repair the connector due to the wiring getting brittle and loose from the connector. Check the connector wiring- you have have broken it trying to get it off the strut.
That's the plan when I get it back.

-os
1996 850 GLT 262k miles (gone :( )

Image

1999 Honda Civic (gone)
1996 850 GLT (gone, no more Volvos :( )
2000 Buick Park Avenue (gone)
2005 Honda Odyssey (gone)
2013 Lexus ES350 (replaced Volvo 850)
2021 Honda Pilot

Cbom
Posts: 5
Joined: 18 January 2010
Year and Model: 06 S40+S60, 97 850
Location: Indiana

Post by Cbom »

Just to give an update on my findings. I pulled my wheel off and took the sensor out. It was a little dirty but not horribly bad by any means. I took it in the house and ran the metal part of it under warm water and wiped off with a clean rag. I kept doing this until no more dirt was showing on the rag and until the sensor looked clean (looks new now). Installed it and took the car for a test drive and my ABS and TRACS are working just fine. No lights and no ABS noise. I would say if your having problems with your ABS give this a try first. I almost spent $50 on a new sensor but thought I would give this a try first.. Glad I did..

wheelsup
Posts: 1296
Joined: 28 June 2005
Year and Model:
Location: Raleigh, NC
Has thanked: 15 times
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Post by wheelsup »

osmium wrote:
How did you nudge it out with the extension bar?

I pounded on mine pretty good and was getting worried i was going to damage something else.

-os
A hammer :D

Actually it came out pretty easily.
1995 850 GLT Wagon w/ 200,000 miles

osmium
Posts: 208
Joined: 2 July 2009
Year and Model: 96 850 GLT
Location: Nashua, NH

Post by osmium »

Cbom wrote:Just to give an update on my findings. I pulled my wheel off and took the sensor out. It was a little dirty but not horribly bad by any means. I took it in the house and ran the metal part of it under warm water and wiped off with a clean rag. I kept doing this until no more dirt was showing on the rag and until the sensor looked clean (looks new now). Installed it and took the car for a test drive and my ABS and TRACS are working just fine. No lights and no ABS noise. I would say if your having problems with your ABS give this a try first. I almost spent $50 on a new sensor but thought I would give this a try first.. Glad I did..
My sensor wasn't that dirty to begin with. But I'll clean it again. I'll also check the connector to make sure its seated all the way down and look at the wires.
wheelsup wrote:
A hammer :D

Actually it came out pretty easily.

The shop where I took it finally got it off. All ready for me to pick up.

-os
1996 850 GLT 262k miles (gone :( )

Image

1999 Honda Civic (gone)
1996 850 GLT (gone, no more Volvos :( )
2000 Buick Park Avenue (gone)
2005 Honda Odyssey (gone)
2013 Lexus ES350 (replaced Volvo 850)
2021 Honda Pilot

osmium
Posts: 208
Joined: 2 July 2009
Year and Model: 96 850 GLT
Location: Nashua, NH

Post by osmium »

osmium wrote:
Cbom wrote:Just to give an update on my findings. I pulled my wheel off and took the sensor out. It was a little dirty but not horribly bad by any means. I took it in the house and ran the metal part of it under warm water and wiped off with a clean rag. I kept doing this until no more dirt was showing on the rag and until the sensor looked clean (looks new now). Installed it and took the car for a test drive and my ABS and TRACS are working just fine. No lights and no ABS noise. I would say if your having problems with your ABS give this a try first. I almost spent $50 on a new sensor but thought I would give this a try first.. Glad I did..
My sensor wasn't that dirty to begin with. But I'll clean it again. I'll also check the connector to make sure its seated all the way down and look at the wires.
wheelsup wrote:
A hammer :D

Actually it came out pretty easily.

The shop where I took it finally got it off. All ready for me to pick up.

-os

Picked it up and it all set. The connector to the ABS sensor wasn't seated all the way down. Both the TRACS and ABS lights are now off and the bearing has been replaced.

Thanks to everyone for your help.

-os
1996 850 GLT 262k miles (gone :( )

Image

1999 Honda Civic (gone)
1996 850 GLT (gone, no more Volvos :( )
2000 Buick Park Avenue (gone)
2005 Honda Odyssey (gone)
2013 Lexus ES350 (replaced Volvo 850)
2021 Honda Pilot

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