The main questions of ensuring reliability of cars by methods of redundancy are considered. The problematic nature of reliability factor is confirmed by the analysis. Redundancy method is reviewed as responsible for solution of the problem when opportunities offered at every stage of "car life time" are used. Three basic principles of repair arrangement based on redundancy method are presented. These principles serve to bring into effect working capacity inherent in a design. The new redundancy

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... techniques with use of repair kits is offered. The feasibility of integrated redundancy system is developed.