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A/C recharge


MidMoTSI
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Too bad he gave at least one piece of bad advice I can see in the pictures.

 

Never take a temperature reading from an outboard vent. Always use a center vent like in the title pic.

 

Also, when converting to 134, new hoses are not a necessity. The hoses used in an A/C system are called barrier hoses, and R12 will actually leave a sort of film on them on the inside, making them that much more leak-proof. It is true that 134 molecules are smaller than R12 molecules, but with used R12 hoses, there's less chance of a leak than with new hoses.

 

It IS a necessity, however, to flush out the system well with an agent designed specifically for A/C flushing.

 

Trust me when I say, air conditioning is easy to do.

 

Tim

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  • 1 month later...

Hey, don't get defensive here. The reason you don't use an outboard vent, is because it's further away from the evaporator assembly, and could give you a distorted reading.

 

The fact that Holmes has an award-winning car is not germane to the fact that he did the test wrong.

 

Tim

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