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Old 06-30-2003, 05:43 PM
sm0t's Avatar
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Join Date: Jun 2003
Location: Austin, TX
Posts: 17
Help - Antilock Brake System

I recently purchased a 1987 300D Turbo. The antilock light onthe dashboard comes on most of the time, usually after about 10 mph. After reading many of the posts here I replaced the OVP relay but that did not make any difference. Any ideas?
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Old 06-30-2003, 06:05 PM
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
Wheel speed sensor.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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Old 06-30-2003, 09:22 PM
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Join Date: Mar 2003
Location: Milwaukee Wisconsin
Posts: 1,149
Yes, the sensors. But also check for excessive rust on the tone wheels. They are the things that look like gears behind the brakes. If they are very rusty, particularly in the "valleys" the signal generated will not be strong enough to be picked up by the sensor. You can clean the tone wheels with a small file or other tool. Tod
Resistance is Futile.
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Old 07-05-2003, 03:44 AM
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Join Date: Apr 2002
Location: Surrey, Uk
Posts: 254
Also check the tyres are the same size and inflated to the correct pressures.
Mick J
'08 Chrysler 300CRD (MB OM 642 engine)
'95 E220 estate
'89 230TE (R.I.P.)
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