Skip the auto shop - Our mechanics make house calls

Q: Replace Radiator - do I need to purge/recharge the AC system?

asked by on

When replacing the radiator, do I need to purge the AC system? Or can I leave the AC system all in tact and not purge/recharge it?
My car has an automatic transmission.

A: Hello. When replacing the radiator, you do ...

Hello. When replacing the radiator, you do have to mess with the condenser a little bit, but you do not need to disconnect it or remove it. The first step when it comes to the condenser is to remove the bolt that attaches the two. This is just a brace to minimize vibration and add stability. Then there is a clip on the radiator that holds the condenser lines in place. This clip will have to be removed. When removing the radiator itself, you will need to GENTLY guide the condenser out of the way to have clearance. Again you do not need to remove it, but it will have enough play to carefully move it up an inch or so. Again, you do not need to remove or purge the A/C system after replacing the radiator.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Gas gauge not working

Hello, the operation of the fuel gauge is like this. The fuel level sensor receives a steady voltage input, and as the level changes the voltage output of the fuel level sensor change. The fuel gauge in the dash receives...

Q: Temperature gauge stuck left

Hey there, thanks for writing in about your 1987 Chevy. When you bridged the temperature sensor wire to the engine block, this effectively "shorted" the circuit. It is probable that this damaged the temperature sensor or the gauge itself. If...

Q: Transmission

Hello. From what you are describing it seems as though the transmission fluid has leaked out. There is a rubber hose that conveys transmission fluid to the radiator for cooling (through a sealed heat exchanger). That hose could have leaked....

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...