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  1. J

    Sierra SLT 5.3L

    Blower motor came on by itself and the heat setting is maxed out to the hottest setting. Not able to change the fan speed or heat setting. Dealer replaced something and it fixed it, but then it went again and dealer fixed it again. Pain in the butt for sure. Also, the front end makes a...
    • jncrowe12
    • Thread
    • 5.3 change csb gmc how to noise of post sierra the truck
    • Replies: 7
    • Forum: Maintenance
  2. J

    Hi

    Hello everyone! Nice to meet you all)
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