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1997 ABS w/o TRAC woes

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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misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
Location: Serbia
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Re: 1997 ABS w/o TRAC woes

Post by misha »

At every connection which can be exposed to moisture.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

mika
Posts: 309
Joined: 29 October 2012
Year and Model: 97 850 NA 98 v70
Location: Midwest

Post by mika »

I think I am still missing something: the ABS wire conencters are small, precise. Why would I want to use dialectic grease if it is not conductive? Wouldn't that ruin the chances of any good conduction?
'92 945 Turbo, 13lb boost on E85 with 54lb injectors, 230k
'98 V70 N/A 174K , Konis Sport + H&R Blue springs,16 inch Solars
'97 855 N/A


Previous: Honda Fit Sport (RIP), Kymco S200 (missed),
'86 244 DL M46 (restored and traded)

zeke1256
Posts: 14
Joined: 1 July 2015
Year and Model: S70 2000, 1995 850,,
Location: Northwest CT
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Post by zeke1256 »

I had a bad ABS module on a 2000 S-70. Speedo and odometer not working. Midwest ABS repaired it. I had a hard time getting the plug to seat firmly in as the plastic clip on the black cover guard had broke when I opened it. ABS, Brake light, CEL, wouldn't go off. Spoke to Matt at Midwest, he said to remove the sliders which were inside the blue large plug, these "sliders" are rectangular thin plastic pieces on each side of the long side of the plug inside the plug housing. I removed the black plastic guard from the hinge and slid out the sliders, towards the hinge side of the plastic guard. These are kinda hard to see but were there, Not sure what these "sliders" do but it may have something to do with the locking cover device. The plug then fit down and in nice and firmly and hold it down several seconds to let any air move out, Matt advised this also. I then put the guard back on, started car and everything back to normal, CEL went off after several miles of driving, No more issues. Hope this helps anyone with this same problem.

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