Undercoating

Number 1 Silverado Issue – How To Fix GMC and Chevy Frame Rust and Undercoating Sierra Tahoe

The number 1 complaint (although it is a very tight race with the AFM and condenser issues) I have with my truck is the worthless undercoating that General Motors puts on their Chevy and GMC trucks. It is a wax based undercoating that quickly hardens and flakes off of the frame. You can look under […]

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