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  1. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    3 years ago I barely knew anything about car mechanics but everything changed after I bought my TB and started working on it myself. Anyway... I've been having a nightmare vibration while driving it each time my RPM is between 1500-2500 disregarding the speed as long as I'm not in Park ... I...
  2. OEM Issues
    Hello, My wife has a 2003 Chevy Trailbalzer with 76606 miles. In the past 6 months, this thing has started to fall apart. We've replaced spark plugs, O2 sensors, catalytic converter to fix a P0172 code. Today we had a major coolant leak and had to replace the thermostat, water pump, fan...
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