%0 Journal Article %T Diagnosing wear and tear of piston packing in car hydraulic shock absorbers %A Janusz GARDULSKI %J Transport Problems : an International Scientific Journal %D 2009 %I Silesian University of Technology %X The paper presents method of diagnosing hydraulic shock absorber with wear and tear of piston packing. There are diagrams of shock absorbers for different cases of tightness reduction. Damping characteristics for different cases of reduction in tightness are shown at the end of article. %K hydraulic shock absorber %K method of diagnosing %K damping characteristics %U http://transportproblems.polsl.pl/pl/Archiwum/2009/zeszyt3/2009t4z3-2_02.pdf