Air Conditioning and Coolant
Chevy Astro
Ford Windstar LX

How do you add freon to a 1999 Astro van?


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Wiki User
2010-12-04 09:20:05
2010-12-04 09:20:05

The 99 Chevy Astro uses the refrigerant R-134a. You can purchase R-134a and all the tools to recharge your A/C system from any auto parts store, most department stores, some warehouse stores, and even at convenience/gas stations.

Make sure to use a high side pressure gauge and thermometer to ensure a proper charge. Follow the directions included with the tools.

The problem is that refrigerant R-134a does not 'go bad', it leaks out from a part of the system. You should determine where the leak is and fix it, you will usually see oil residue where the leak is located. A very common place on Chevy/GM vehicles to leak is the A/C compressor. These can be replaced from after-market suppliers.


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Its located on the accumulator...................

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The AC low side service port on a 1999 Chevy Astro van is located next to the firewall. It is the port that is closest to the evaporator.

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The small valve on the accumulator (the canister) is wre you put the freon in the 1997 Chevy Astro Vans.

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Yes. The lug pattern is the same on all Astro vans up to 2001. 2002 they went to a six lug pattern.

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