Tag: ac system recharge

A/C system in Heavy Duty trucks

How to recharge your car ac system

Freon recharge.

To charge a system with the engine running, the refrigerant should be added to the low side of the system.

Safety precaution.

Never open the high-side hand valve with the system operating and a refrigerant can connected to the center hose. The refrigerant will flow out of the system under high pressure in to the can. High-side pressure is between 150 and 300 psi and will cause the refrigerant tank to burst.

Recovery, recycling, reclaims.

The only occasion for opening both hand valves at the same time would be when evacuating the system or when recovering the refrigerant with the system off.

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Freon Recharge Service Near Me

Freon Recharge Service Near me

Freon Recharge Service Near me

  1. Connect recovery/recycling/recharging equipment to the A/C service valves.
  2. Evacuate auto air conditioning system for 25 minutes or more.
  3. Pull a Deep Vacuum on the A/C system.
  4. Charge the specified amount of refrigerant to vehicle A/C system.
  5. Check that A/C system operates normally.
  6. Install A/C service Valve caps.
  7. Refrigerant charge service is complete.


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If you need assistance recharging the a/c system in your vehicle, Call Today and request a Refrigerant Recharge service.

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