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9210 Gulfstream Rd. Unit F Frankfort, IL 60423 (815) 680-0345

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GMC

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We Service and Repair all GMC cars

  • 2010 GMC Sierra

    GMC Sierra
    Mileage
    111,726
    Service Date
    2/11/2026
    Services Performed
    • Performed Oil Pressure Check and found upper end about 15 PSI lower than bottom end pressures. Suspect wear in the Cam Bearings & Lifters causing slightly low pressure. Pressure is only 2 PSI above min Spec. Switched Engine over to Straight 30 Weight Oil & Upgraded Filter to the tall PF63 style Filter. Single Viscosity Oil should stay thicker and help maintain Pressure better.
     
    JC H. gave our service a 5 star review on 2/11/2026

  • 2018 GMC Yukon XL

    GMC Yukon XL
    Mileage
    110,669
    Service Date
    4/17/2025
    Services Performed
    • Performed Diagnosis DTC P0128 verified a failed Coolant Thermostat.
    • THERMOSTAT – Remove & Replace – Thermostat Housing Assembly
    • Both Front Stabilizer Links Broken. Replace Both front Links.
    • Replace Lubricant in Front and Rear Differential Assy's and the Transfer Case.
    • Installed New Cabin Filter
    • Replaced all 8 Spark Plugs and Plug Wires.
    • Removed Carbon from the Throttle Blade & Bore. Reset learned Throttle Position.
    • DRAIN AND FILL ENGINE OIL AND REPLACE FILTER PER REQUEST. LUBE CHASSIS. VISUAL INSPECTION
     
    Micheal B. gave our service a 5 star review on 4/18/2025