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Servicing vehicle AC and heating systems requires specialized tools and equipment to disconnect and reinstall faulty parts. Test kits diagnose problems in the heating or cooling core, and thermostats regulate optimal temperature for the vehicle and engine. Core removal tools and replacement tanks facilitate service. AC manifold gauges check pressures on AC units, HVAC vacuum pumps, radiator test kits and condenser fin combs. Generic tools include O-ring assortments, pliers, and couplers.
