Question about Cars & Trucks
My 2002 Daihatsu Terios, Automatic Transmision is shuddering in the front end under brakes (all speeds). Only happens under brakes , had the pads and rotors checked (nothing wrong with either) i replaced them anyway. Did the rear drum pads also. Transfer case , diff & enginge all have been topped up to correct fluid level. Replaced one engine mount rubber , all other rubbers and bushes in good condition. Yet still under brakes i have a shudder in the front end , i feel it through my foot first then into the steering wheel, worsens if i apply more pressure to the brake pedal . I cant think of what else it could be , would anyone be able to through some information at me please im lost on this one??
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Posted on Jan 02, 2017
What happens is if you have a bad front wheel bearing when you brake that wheel will turn in or out,when this happens it throws the four wheel alignment out and since this is a solid rear axle,it's forcing it to flex on the suspension,wich could cause the rear tires to bite on the outside edge of one tire and the inside edge of the other,thats one possible the other would be that the rear brakes are are not slowing the wheels evenly causing the same issue.I saw this problem with a bad front wheel bearing on a Nissan Pathfinder but not as pronouced due to the independent rear suspension. Check the front wheel bearings,which of course will mean getting the calipers off the rotors,and then check for any movement in the rotor,if there is check the hub nut,if it's loose tighten it and check for play in the rotor if there is still play that's going to be caused by a bad bearing.You can check the braking in the rear with a simple spring scale(like the ones used for fishing),with the wheels removed have someone apply enough pedal pressure to just engage the brakes but still allow movement attach the scale hook to a wheel stud and pull until it starts to move and note how many pounds of pressure it takes to move the hub.If it's uneven chech your adjusters and even them if needed and then retest,if still uneven you'll need to bleed them again.As far as the dark black substance in the fluid I would say you may gotten a contaminent in the fluid.Brake fluid gets kind of a rusty reddish residue when it breaks down.If I missed anything or you need clarification don't hesitate to ask I'm home all day.Hope this helps solve your problem.
Posted on May 05, 2009
Previously mentioned proble. Turned out it was the ABS. I'm sorry I can't remember the part name but I believe it was the main distribution module. But, it is the ABS.system for sure
Posted on Jun 29, 2009
If your pads are completely gone then you may have damaged the drums if you still have any pads left or shoes if they are drum brakes then you still need to have your drums checked out for the proper size to still be there for the brakes to function properly. You won't know until you look at them or are shown them by a pro. who has measured and found them to be beyond reuse! If you had leaks then you will need to repair the brake calipers or the wheel cylinders depending on which system you have drum or disc they are different!!! Hope this helps someway !!
Posted on Jul 05, 2009
SOURCE: ABS brakes shudder
YOU NEED A SCANNER TO MONITOR THE WHEEL SPEED SENSORS. THE ABS IS SENSING A SKID AND THE ABS IS ACTIVATED WHEN THIS HAPPENS. THERE MAY BE A CODE FOR THE HUB THAT IS CAUSING THE ABS TO ACTIVATE.
CHECK THE WIRES FROM THE SENSORS FOR BREAKS OR CHAFFING. AN OHM READING OF THE SENSOR SHOULD BE 850-1200 OHMS, AND AND A-C VOLTAGE READING SHOULD BE 100 MV WITH YOU TURNING THE WHEEL BY HAND.
RATE ME, PLEASE
Posted on Jul 06, 2009
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