99 Silverado Z71 random low speed brake failure

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June 8th, 2010, 6:43 PM

#11

A. T

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Not fluid getting to right front caliper

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Originally Posted by bmcentire

I have a problem with very little brake fluid reaching right front caliper.The line is clear,is not showing any codes in computer.We pulled the rubber hose at the hard line so this isn't the problem.The fluid is getting to the other three corners fine. Any suggestions?This is on a 1997 1500 W/T.The truck has ABS.

try disconnecting the brake line from the ABS module, and see how the flow looks. if the pressure still sucks, then get a scan tool that can activate the ABS module when bleeding the brakes (some GM and Ford vehicles require the use of a scan tool to bleed the brakes to get the air out of the ABS module). then if your still having issues, then it might be the ABS module. good luck.

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March 20th, 2011, 12:37 PM

#12

Bluecrk202

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Does anyone know what the peak to peak output voltage is supposed to be on the wheel speed sensors?
Thanks

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March 22nd, 2011, 9:40 PM

#13

deswayne

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I had the same problem I go to hit brakes and nothing but a hard pedal then the and would activate my issue was air in the lines at the abs under the drivers side

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March 23rd, 2013, 8:36 AM

#14

Junguda

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I had the problem when tight turning slowly into parking places. $500 worth of brake work did not fix it. It was the front left (Driver Side) hub/bearing assembly (Chevy Silverado, 5.3L Vortec, Z-71 4x4 with 269,000 miles). Once replaced ABS worked fine (Note the new hub/bearing assembly had a new sensor already installed on it). Thanks for all the help on these forums. They are better than calling a mechanic or taking it to a dealership.