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    • Dave Macholz

    Contributing Editor

    Dave Macholz is an instructor for the Toyota T-TEN, Honda PACT and general automotive programs at Suffolk County Community College in Selden, NY. He is an ASE CMAT and L1 technician and holds a NY State teaching certification in vehicle repair. 

    Operations

    A look at Nissan's variable compression system

    Dave Macholz
    Aug. 1, 2020
    Nissan is the first manufacturer to utilize a truly variable compression system that changes the stroke of the engine through electromechanical technology. This article will look...
    Operations

    Advanced concepts for the 12-volt technician

    Dave Macholz
    Feb. 3, 2020
    Most techs have grown up with a knowledge base of 12-volt theory and diagnostic skills. With the introduction of EVs that feature high-voltage AC- and DC-based components, let...
    Operations

    Preparing for an electric vehicle future

    Dave Macholz
    Jan. 3, 2020
    Here's a look at service, training, tooling, and diagnostic considerations for EV vehicle repair and service for the independent repair market.
    Operations

    Inside coding and programming

    Dave Macholz
    Jan. 1, 2020
    Diagnostic experts weigh in to discuss the opportunities and pitfalls of dealer level module replacement and related functions.