Belts and Hoses… They Keep Us Moving

16 06 2011

Dale BertramWhat causes failure in belts?  They do over 35 million revolutions a year, are exposed to heat, vibration and contamination.  They twist, and turn, bend and flex.  This produces heat that hardens the rubber that causes the belts to loosen and slip. The rubber then cracks and frays and the internal cords will become brittle and weak. This happens from the inside out so it isn’t visible.  

What causes failure in hoses?  Tiny cracks develop in the rubber causing the hoses to split, blister and/or leak.  Contamination from oil and atmospheric ozone can accelerate the process.  Hoses deteriorate on the inside as much as the outside.  They can even look fine on the outside and be totally ruined on the inside.  Small cracks and pinhole leaks weaken hose fibers.  If you squeeze the hose near the clamps or connectors and the ends feel soft and mushy, the hose has been contaminated and needs replacing.

Vehicle manufacturers recommend replacing belts every 36,000 miles and hoses every 48,000 miles. Your car care provider can help you determine when replacement is necessary!

Happy Motoring!

 

 

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