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abs and barking lights turns on after lifted


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Posted

i have a silverado 2500HD 2002 i have just install a 11/9 CST lift kit on it with 38x15,5x16 tires with 16x10 wheels and axel ratio 4,88 i have diablo programer and i did changed the gear ratio and the tire size

 

every thing looks ok but the brakes the abs and barking light pop on in some times i dont know why ??

i did replaced the Brake Pads all 4 of them maybe that why or becouse the lift ???

do i have to reprogram the brakes or some thing or there is a problem with my abs ??

Posted
YOU NEED TO FIND OUT WHAT CODE IS STORED IN THE COMPUTER. THAT WILL HELP FIND OUT WHAT IS GOING ON

 

 

 

 

ok i just searched for error code i have the predator flash tuner (diablo sport)

its said no error codes where found :thumbs:

Posted

Thats becuase diablo sport will only read current codes not history code and diablo sport I dont believe can read abs codes only pcm codes

Posted
Thats becuase diablo sport will only read current codes not history code and diablo sport I dont believe can read abs codes only pcm codes

 

 

 

 

hmm you mean i have to go to the dealer to read the error codes? :thumbs:

Posted

I don't know what the situation is in Kuwait but many smaller repair garages can access the ABS codes. All you need is a good scan tool.

 

Did you lengthen the ABS wiring to the front wheels enough? I've seen them streched especially when turning and loose continuety.

 

Vernon

Posted
I don't know what the situation is in Kuwait but many smaller repair garages can access the ABS codes.  All you need is a good scan tool.

 

Did you lengthen the ABS wiring to the front wheels enough?  I've seen them streched especially when turning and loose continuety.

 

Vernon

 

 

 

the CST lift came with an extended brake lines i did install them and its seems perfect

i will go to a dealer he can scan for ABS codes i think and i will see what will happen

thanks for ur help i will update u if any thing happend :thumbs:

  • 2 weeks later...
Posted

 

i will go to a dealer he can scan for ABS codes i think and i will see what will happen

thanks for ur help i will update u if any thing happend :)

 

 

 

 

 

Did you find out anything. I just put 4.88 gears in mine and the same thing is happening to me. The ABS sensor is tripping an error code and throwing on the ABS and BRAKE lights on the dash. I asked the dealer today and they said there was nothing they could do because the 4.88's are not a factory option. It is my understanding that the sensor in the tailshaft of the transfer case is not jiving with the sensor at the front wheel. Jesse @ wait4me said he can not fix the ABS either. Does anyone know of anyone or anything who can???? :banghead:

Posted

 

i will go to a dealer he can scan for ABS codes i think and i will see what will happen

thanks for ur help i will update u if any thing happend :)

 

 

 

 

 

Did you find out anything. I just put 4.88 gears in mine and the same thing is happening to me. The ABS sensor is tripping an error code and throwing on the ABS and BRAKE lights on the dash. I asked the dealer today and they said there was nothing they could do because the 4.88's are not a factory option. It is my understanding that the sensor in the tailshaft of the transfer case is not jiving with the sensor at the front wheel. Jesse @ wait4me said he can not fix the ABS either. Does anyone know of anyone or anything who can???? :banghead:

 

 

 

 

i did double check on every thing they said i have to install a speed calibrator that will fix the abs and the odemeter problem i will do that and i will let you know

Posted

 

i will go to a dealer he can scan for ABS codes i think and i will see what will happen

thanks for ur help i will update u if any thing happend :seeya:

 

 

 

 

 

Did you find out anything. I just put 4.88 gears in mine and the same thing is happening to me. The ABS sensor is tripping an error code and throwing on the ABS and BRAKE lights on the dash. I asked the dealer today and they said there was nothing they could do because the 4.88's are not a factory option. It is my understanding that the sensor in the tailshaft of the transfer case is not jiving with the sensor at the front wheel. Jesse @ wait4me said he can not fix the ABS either. Does anyone know of anyone or anything who can???? :D

 

 

 

 

i did double check on every thing they said i have to install a speed calibrator that will fix the abs and the odemeter problem i will do that and i will let you know

 

 

 

 

i take my truck to the highroud oday and test it in the highway and drove it with overspeed i felt just like the rear diff gone blowup its make a bad noise with speed over 70 mile per hour is this normal with the 4.88 with a 38 tire or i have some thing wrong ??

Posted
i take my truck to the highroud oday and test it in the highway and drove it with overspeed i felt just like the rear diff gone blowup its make a bad noise with speed over 70 mile per hour is this normal with the 4.88 with a 38 tire or i have some thing wrong ??

 

 

 

 

What is overspeed???

 

Maybe your drive shaft angles are off???

Posted

i take my truck to the highroud oday and test it in the highway and drove it with overspeed i felt just like the rear diff gone blowup its make a bad noise with speed over 70 mile per hour is this normal with the 4.88 with a 38 tire or i have some thing wrong ??

 

 

 

 

What is overspeed???

 

Maybe your drive shaft angles are off???

 

 

 

 

i ment i was speeding above 70m .

you mean my drive shaft its not straight ??

Posted

If your getting a bad noise then maybe your rear is not set up right (backlash etc) and maybe to tight and are you sure its the rear and not the tires? You might want to put the stock tires on and see if the noise is still there but you will be getting some really high rpms with stock tires and 4.88 gears at 70 mph. From the looks of your picture and that much lift it looks like your rear axle pumpkin is not inline with your drive shaft and may need more tilt by adding more wedge degree shims inbetween the leaf spring and the axle pad,when I had my 1987 4x4 I had to add I think about 6 or 8 degree shims to line it up with the driveshaft.

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