Question about Cars & Trucks
Ads light is on until put foot on brake
Posted by Anonymous on
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Posted on Jan 02, 2017
If the light came on before you changed pads, you will need to replace the sensor.
The sensor consists of only a wire link embedded in a hard plastic. This is worn through when the pads are nearly worn out.
To check which sensor it is, it's easier to unplug the sensor, and check with a continuity checker. If there is no continuity, you need to replace it.
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Posted on Jul 14, 2008
there should be no brake fluid comming from the caliaber at all.look on the in side of the caliaber on the top and bottom you should see 2 long bolts. they may be hexagon,allen key, or a bolt. there are the 2 you are looking for. DO NOT SET PARKING BRAKE. when you take the bolts out you will see 2 small shafts where the bolts came out of. they must be push back in flat with the caliaber ( you may or may not have them). you have to open the lid where you add brake fluid. now take off the front pad leave the pad on in the hole. take your C-CLAMP and place it over the caliaber and the brake pab and compress the piston until it flat with the caliaber. ( you will repeat this on the other side ) at this point take your dic brakequit spred a coating on the parts thats need. ( referr to the old parts ) dont get anything on the front of the pad. let the pad sit for about 5min. ( smoke a cigarette. if you dont smoke i will teach that in part 2 ) now that the dic brake is tacky place the one that fixs in the hole on first now the outter one. slide it back on you may have to tap it in place after its seated replace the bolts. now your going to see that it has a gap between the brake pad and the rotor.replace the lid on where you add brake fuild. put the tier back on the car and pump your brakes. it should get hard. ( not you the brake pedal ) now repeat these steps for the other side.
you may have two bleed your brakes because you let fuild out that means you let air in. PLEASE let me know if this helped you.
Posted on May 10, 2009
First the sensor in the rear gearbox may be bad or corroded for sensing wheel speed. Also the engine wiring harness may be falling apart. From 1991-1995 the US made MB use biodegradable material on the wiring. When the insulation cracks you get shorts in the system. The same wires are in your EHA on the air inlet area. Check and replace as needed.
Posted on Jun 16, 2009
i have same problem on 1997 s420, don't know why it is happening. but you can replace cigar lighter fuse then replace seat/mirrors/steering wheel fuse and all is well. thnx
Posted on Jul 20, 2009
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