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2014-2018 Silverado 1500 & Sierra 1500

The main discussion hub for the half-ton K2XX. Includes the 2019 Silverado LD and Sierra Limited legacy models 

Subforums

  1. Modifications & Accessories

    Leveling kits, wheels, exhaust, and cold air intakes.

    208.5k
    posts

  2. Troubleshooting & Recalls

    Diagnose Chevy Shake, A/C condenser failure, AFM lifter tick, and transmission shudders

    92.2k
    posts

  3. Engines & Drivetrain

    Tech for the 5.3L (L83), 6.2L (L86), and 4.3L V6. Tuning and 6L80 / 8L90 transmission support.

    52.3k
    posts

14,109 topics in this forum

  1. Gauges going crazy and not starting, Battery Good, Starter? Ignition?

    By Cohen,
    • 6 replies
    • 8.6k views

  2. Waiting for Update Media Screen

    By Silva,
    • 13 replies
    • 29.8k views

  3. 2018 GMC SIERRA tire rotation

    By brian1972,
    • 3 replies
    • 804 views

  4. 2014 Silverado LTZ Headlight Harness Wiring-Pin Diagram

    By Dave2623,
    • 3 replies
    • 4.1k views

  5. Park assist module location

    By manuel pasillas,
    • 13 replies
    • 44.6k views

  6. 2014 Sierra SLE BCM issues

    By 67-LM7-910,
    • 2 replies
    • 810 views

  7. Upper Control Arms

    By PFTX_5.3,
    • 2 replies
    • 862 views

  8. Fuel Injectors ? 1 2 3 4 5

    By YJSONLY,
    • 64 replies
    • 53.4k views

  9. Question on warranty for replacement GM Trans.

    By mikeyk101,
    • 4 replies
    • 8k views

  10. 2018 Silverado 1500 A/C Recharge after condenser replacement 1 2

    By Janderson28,
    • 15 replies
    • 27.4k views

  11. 2018 GMC E-Assist Problem

    By Joe Darby,
    • 2 replies
    • 699 views

  12. Low oil pressure (15 psi) !! 1 2 3 4 5

    By Lucchini,
    • 72 replies
    • 146.7k views

  13. Caster maxed out

    By Leo s,
    • 7 replies
    • 760 views

  14. GM A/C Compressor

    By GovtMule66,
    • 4 replies
    • 1.8k views

  15. Life of brakes 1 2

    By Jondp2013,
    • 24 replies
    • 27k views

  16. TCM tuning(6L80E)

    By jusstin02,
    • 11 replies
    • 28.6k views

  17. Oil additives in 0w20 1 2 3 4 5

    By Pipefitter248,
    • 66 replies
    • 43.3k views

  18. Transmission Temp. Sensor

    By reardiff,
    • 7 replies
    • 50.6k views

  19. Cluster LCD blank after SPS programming

    By William Pelletier,
    • 6 replies
    • 8.1k views

  20. 2014 SIERRA 1500 5.3 PO340, reading 0 on Scanner when I graph it. But oscilloscope shows a DC square wave when I tapped into return signal to ecm? I checked continuity from x3 plug on module to camshaft( no resistance on any of the three wires

    By HaveTools,
    • 0 replies
    • 345 views

  21. Disintegrating Wire Loom

    By reardiff,
    • 4 replies
    • 1.1k views

  22. 12 V Battery Change e assist truck

    By ohed,
    • 2 replies
    • 3.8k views

  23. 2016 Infotainment Flickering

    By Sierra2016ATX,
    • 3 replies
    • 853 views

  24. 2017 Sierra Fans and AC not working

    By minkota,
    • 6 replies
    • 1k views

  25. 2017 Gmc 4×4

    By Antpulley25,
    • 2 replies
    • 716 views
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