Home Tips & Tricks How to Flush the A/C System

How to Flush the A/C System


DIY repairs can save on maintenance cost. Air conditioning repairs can be expensive. Technicians might charge hundreds of dollars to troubleshoot and service an A/C system. Before spending money on professional services, try to flush your vehicle’s A/C system yourself. The procedure for flushing the A/C system is fairly straightforward. You need a few automotive tools and about two hours.

Things You’ll Need: Manifold gauges, Vacuum pump, Adjustable wrench, Needle-nose pliers, Flush solvent, Can of compressed air, Cloth rag, Accumulator, Can of refrigerant


  • Park your vehicle in a safe location on even ground. Engage the parking brake, but allow the engine to idle. Turn on the air conditioning system. Open the hood. Locate the air conditioning service fittings.