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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

99 Chevy Silverado, Buzzing Noise and ABS Light Update
Q: Your tech tip concerning the buzzing noise and ABS warning light illuminated on a ‘99 Chevy Silverado is not completely correct. The Chevy Silverado ABS module and pump is located on the left frame rail about midway. The noise very well could have been the ABS pump motor running continuously. I work at a Chevy dealer and have experienced this condition. The ABS module and pump you mentioned are found in the C and K series truck and not the Silverado (Just another confusing nomenclature that the General likes to confuse the public and its technicians with).....John Squires

A: The article John was referring to was in response to this reader’s question; I was driving home when the ABS light came on. I heard a humming, vibrating noise coming from the underside of the truck. I parked, turned off the ignition and the sound continued. The only way to stop it was to disconnect the battery cable. I reconnected the cable the following morning and the sound resumed. This seemed to be under the truck about midway. Any ideas of what could cause this?

I had located the ABS pump unit under the hood and not on the frame as John has pointed out. Thanks for the heads up John. Stop by the shop and I’ll buy you a coffee.

 
     
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