Rick's Free Auto Repair Advice

Posts Tagged: WD-40

WD-40 on belts

Never use WD-40 on drive belts or any rubber parts Everyday I see nutjobs recommending using WD-40 to stop squeaks on rubber parts like suspension bushing and belts. I also see these same whackjobs recommending it on ignition wires to stop misfiring under humid conditions. WD-40 is a petroleum-based product. It’s 50% Stoddard solvent, 25% light oil, and 12-18% LVP Aliphatic Hydrocarbon plus their secret ingredient. WD-40 doesn’t stop rubber squeaks Because it’s a petroleum based product you should NEVER use it on any rubber part. Petroleum products make rubber … Read More

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