Question about 2000 Chevrolet Astro
The sensor in the differential is a magnet it can crack and go bad but doubtfully rust out in the differential.Rear adjusters are probably not going to help with the ABS activating.Is this an awd or rwd? Things I would check would be the exciter rings on the back of the front rotors for missing teeth or the front abs sensors that have collected alot of metal shavings or debris. When the air gap between the exciter "abs rings" and the sensor changes it can cause the abs to activate especially at lower speeds and parking lot manuevers. This exciter rings on the rotors only apply to the rear wheel drive version.If its an all wheel drive the exciter rings will be on the axle or in the bearing hub assembly.The sensor may actually be bolted to the bearing in the AWD.GM had issues with where the sensors that bolt up in the AWD where rust would build up on the shim between the the sensor and the exciter ring increasing the air gap.The sensor in the rear diff can collect metal shavings from from the differential as well in both the awd and rwd.You can try and clean them sometimes they will work afterwards but not always. If this is the rwd version the exciters rings on the rotors could be bent or have become loose.
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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