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How to identify defective shocks

By autotech-nath on December 28, 2017

Manufacturers recommend shock absorbers are checked every 50,000 miles as defective shocks increase the stopping distance and reduce overall vehicle stability. If symptoms occur, immediate shock absorber replacement is vital. In their latest video posted on the ‘MEYLE TV’YouTube channel, the MEYLE Mechanics explain how technicians can easily make shock absorber testing a routine job during vehicle inspection.

Potholes, heavy loads and towing are some of the offenders putting shock absorbers under strain, combine this with environmental factors such as dirt, humidity or road salt and shock absorber life can be dramatically reduced. As shock absorber performance deteriorates, the tyres lose road grip, reducing vehicle stability and increasing stopping distance. Poor road grip also affects the tyres’ lateral guiding capabilities when cornering, and safety systems, including ABS, ESP and TCS, may not work properly.

In their latest video, the MEYLE Mechanics present different methods of diagnosing shock absorber damage. In some cases, visual inspection of the tyres may reveal areas of local wear – a typical symptom of shock absorber damage and a test drive can reveal the tell-tale signs of feeling unresponsive, especially when cornering, needing steering corrections to stay straight or loud clunking noises.

MEYLE has a comprehensive range of 650 shock absorbers designed to offer advanced wear resistance. An electro-mechanical coating process protects the piston rod against abrasives and heavy loads.

MEYLE’s in-house engineers recommend that shock absorbers are replaced in pairs to ensure there is as little difference in the damping performance as possible between the left and right-hand shock absorbers. Otherwise, the vehicle’s road-holding behaviour is poor or even dangerous.

To watch the latest MEYLE Mechanics video on shock absorber function testing: CLICK HERE



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