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1998 Volvo S70, Display lights, TRACS OFF and ABS

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
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1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby camilla1010 » 17 Jul 2010, 18:16

My 1998 Volvo S70 has the TRACS OFF light and ABS light coming off and on. What could be the possible problem and solution to this problem? Could it possibly be the master brake cylinder?
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Joined: 17 Jul 2010, 18:08
Location: Champaign, IL
Model and Year: 1998 Volvo S70

Re: 1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby ecbsykes » 17 Jul 2010, 18:21

99% chance your ABS module is dead. Don't buy a new one (BIG $$$)or have a shop do it, they'll charge you way too much. You can have it rebuilt at http://www.modulemaster.com/en/index.php for $100. Before I knew all about repairs and fixes for these cars, we had our module rebuilt at a local shop... $600. :roll: But now I know!

If you're not comfortable messing with it, just have a mechanic "remove the ABS module" and then send it off yourself to be rebuilt, and when you get it back, you can have your mechanic re-install it. It's okay to drive for a little ways with the module out.

Welcome to the forums by the way! :mrgreen:
Ed Sykes
2000 V70XC 2.4L Emerald Green 212,000 miles
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Re: 1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby camilla1010 » 17 Jul 2010, 18:25

Thanks for the advice and the welcome Ed!!!

Can you explain how to remove the ABS module? I've figured out how to change the O2 sensors (which is relatively easy considering they charge so much $$ for something so similar to a spark plug). Also, this sensor has been coming off and on for awhile now, should I be concerned?
camilla1010
 
Posts: 3
Joined: 17 Jul 2010, 18:08
Location: Champaign, IL
Model and Year: 1998 Volvo S70

Re: 1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby ecbsykes » 17 Jul 2010, 18:39

The website for Module Masters explains how to remove the module, here it is: http://www.modulemaster.com/en/Volvo/S70_info.php I've never done it, but if you're willing to give it a shot yourself, there are definitely many other people here who can give you some pointers.

What sensors are you talking about, the O2 or the ABS/TRACS? When the ABS/TRACS lights are on, basically it just means you don't have Anti-Lock Brakes. It's still safe to drive, although in a panic stop or on snow/ice there may be wheel lockup.
Ed Sykes
2000 V70XC 2.4L Emerald Green 212,000 miles
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Re: 1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby BEJinFbk » 17 Jul 2010, 18:45

Here's another rebuild site with a TON of using info,
including some pretty good removal instructions.
http://home.earthlink.net/~vicrocha/
These guys rebuilt my module over 4 years ago and
I have had zero problems since.

I would add a couple suggestions.
Layout a shop rag or an old towel on the transmission, just below the module.
If you drop a screw, you won't spend all day looking for it as the towel will catch it.
(Ask me How I Know! :lol: )

I also had a gravity problem with my E-5 socket. It's a tight spot and even using an angle
head 1/4" ratchet, I lost the socket a few times. The towel didn't catch that as well, so I
taped a dental floss "leash" to my socket and it was simple to recover if it fell into the
darkness of the engine compartment.
'98 V70 R - Well Equipped for Life Up North... ;)
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Model and Year: '98 V70 R

Re: 1998 Volvo S70, Display lights, TRACS OFF and ABS

Postby pkc303 » 18 Jul 2010, 15:45

We rebuilt our own following the instructions on this site. You can do it, if you can solder.
1997 Volvo 850R, K&N air filter, Koni shocks
1995 Volvo 850 T-5R Yellow
2003 Volvo V70 2.4T, K&N air filter, (Wife's) (sold)
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