That clunk when you turn the GMT800 wheel is almost always the intermediate steering shaft. Here’s the real fix versus the grease band-aid, plus when it’s actually a worn idler or pitman arm.
GMT800 Steering Clunk Fixed: Intermediate Shaft, Idler & Pitman Arm (1999–2006) Read Post »
A GMT800 that cranks but won’t start is usually fuel, spark or security. Here’s how to check fuel pressure the right way and stop guessing before you drop the tank.
GMT800 Cranks But Won’t Start: Fuel Pump & Pressure Diagnosis (1999–2006) Read Post »
P0327 and P0332 on an LS Vortec are almost always corroded knock sensors buried in the valley under the intake. Here’s the right way to fix it once — sensors, connectors and sealing.
GMT800 Knock Sensor Codes P0327 & P0332: The Real Fix (5.3, 6.0 Vortec) Read Post »
A cylinder-specific misfire on a 2014 Sierra 1500 5.3L L83, worked through the ignition system in order — plug, spark, wire, coil, connector, wiring — to confirm a bad ignition coil before replacing anything.
Chevy 5.3 Misfire Coil Test — Find the Bad Coil Before Buying Parts Read Post »
