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About the Technical & Maintenance category
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7
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February 22, 2026
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GMT800 4.8 / 5.3 / 6.0 Hot Idle Low Oil Pressure — Post Your Readings and Fixes
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2
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May 25, 2026
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GMT800 Transfer Case Pump Rub Fix – NP246 Repair Guide
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2
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April 20, 2026
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4L60E Common Failures and What to Fix First (GMT800 Guide)
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5
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April 20, 2026
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5.3 vs 6.0 Engine Differences – LM7 vs LQ4 (GMT800 Guide)
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7
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April 20, 2026
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GMT800 Towing Capacity Chart – 1500, 2500, and 3500 (1999–2006)
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5
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April 20, 2026
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GMT800 Tailgate Rebuild Guide – Cables, Hinges & Latches (Video + Parts)
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9
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April 20, 2026
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GMT800 Instrument Cluster Repair – Common Failures
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2
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36
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April 19, 2026
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Fuel Pump Replacement on GMT800 Trucks: Step-by-Step
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5
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April 14, 2026
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4L60E & 4L80E Transmission: Common Failures, Symptoms & Fix Guide
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5
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April 14, 2026
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EBCM Failure on GMT800 – Symptoms & Fix
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0
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14
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April 12, 2026
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P0300 Random Misfire on 5.3 GMT800 – Causes & Fixes
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7
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April 12, 2026
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GMT800 Transmission Temp While Towing – What's Normal?
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5
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April 12, 2026
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Best Weight Distribution Hitch for GMT800 Silverado
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4
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April 12, 2026
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Towing Capacity GMT800 2500HD 6.0 – Real Numbers
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12
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April 12, 2026
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GMT800 Manual Swap – What's Involved?
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25
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April 12, 2026
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4L60E Rebuild vs Replace – Which Makes More Sense?
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5
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April 12, 2026
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4L60E vs 4L80E Swap in GMT800 – Full Breakdown
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6
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April 12, 2026
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4L60E Transmission Problems on GMT800: Symptoms, Fluid, Solenoids, and When to Rebuild
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9
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April 12, 2026
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GMT800 Fuel System Diagnosis: Pump Failure, Pressure Drop, and What to Replace
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5
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April 12, 2026
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GMT800 Throttle Body and TAC System Diagnosis: When to Clean vs When to Replace
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7
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April 12, 2026
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Spider Injector Failure on GMT800 Vortec: Symptoms, Diagnosis, and What to Replace
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0
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3
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April 12, 2026
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AFM Delete on a 5.3L GMT800: Why It Fails, How to Delete It, and What You Need
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4
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April 12, 2026
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GMT800 Intake Manifold Gasket Failure: 4.8L and 5.3L Fix Guide (1999–2007)
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4
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April 12, 2026
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4L60E common failures GMT800
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0
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10
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April 7, 2026
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GMT800 (1999–2002) Engine Hours
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11
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April 5, 2026
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