Complete AFM delete how-to guide for 5.3 and 6.0 Silverado and Sierra trucks — full parts list, step-by-step cam and lifter swap process, valley cover replacement, and tune requirements. Covers GMT900 and K2XX.
AFM Delete Guide: 5.3L Silverado Complete How-To Read Post »
P0011 camshaft over-advanced code on your Silverado? This guide covers the four causes — oil pressure, VVT solenoid, cam phaser, and timing chain — with diagnosis steps for 5.3, 6.0, and 6.2 engines on GMT900 and K2XX trucks.
P0011 Code on Silverado & Sierra: Camshaft Position Timing — Over Advanced Read Post »
P0014 exhaust cam over-advanced code on your Silverado? Same core causes as P0011 but on the exhaust cam — this guide covers VVT solenoid diagnosis, cam phaser identification, and oil system checks for GMT900 and K2XX trucks.
P0014 Code on Silverado & Sierra: Exhaust Cam Timing Over Advanced Read Post »
P0496 EVAP high purge flow code on your Silverado? This guide covers the purge solenoid failure, stuck-open canister, vacuum line issues, and diagnosis steps for GMT800, GMT900, and K2XX trucks.
P0496 Code on Silverado & Sierra: EVAP High Purge Flow Diagnosis & Fix Read Post »
P0128 on your Silverado or Sierra? This almost always means a stuck-open thermostat. This guide covers diagnosis, the correct thermostat spec, and why cheap thermostats keep coming back on GMT800, GMT900, and K2XX trucks.
P0128 Code on Silverado & Sierra: Coolant Temp Below Thermostat Regulating Temp Read Post »
P0300 random misfire on your Silverado or Sierra? This guide covers every cause — spark plugs, coil packs, AFM lifters, fuel injectors — with a step-by-step cold-start diagnostic protocol for 5.3, 6.0, and 6.2 engines.
P0300 Code on Silverado & Sierra: Random Misfire Diagnosis & Fix Read Post »
P0442 small EVAP leak on your Silverado? This guide covers the most common causes — gas cap, EVAP vent solenoid, charcoal canister, and fuel tank lines — with a step-by-step diagnosis flow for GMT800, GMT900, and K2XX trucks.
P0442 Code on Silverado & Sierra: Small EVAP Leak Diagnosis & Fix Read Post »
Service StabiliTrak warning on your Silverado or Sierra? This guide covers every cause — wheel speed sensors, wheel bearings, APP sensor, SAS — with DTC codes, step-by-step diagnosis, and repair costs for GMT900 and K2XX trucks.
Service StabiliTrak Silverado: Causes and Fix Read Post »
The 4L60E slipping in 3rd gear has five common causes — from a $30 solenoid to a full rebuild. This systematic diagnosis guide covers shift solenoid failure, clutch pack wear, pressure regulator issues, and the 4L60E vs 4L80E upgrade decision.
4L60E Slipping in 3rd Gear: Causes, Diagnosis, and Fix Guide Read Post »
A 5.3L tick at idle can mean five very different things — from a $5 exhaust stud to a $3,500 AFM lifter failure. This step-by-step diagnosis guide covers every cause of 5.3 ticking noise on GMT800, GMT900, and K2XX Silverado and Sierra trucks.
5.3 Ticking Noise at Idle: Complete Diagnosis Guide (Silverado & Sierra) Read Post »
