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A/C freon pressure R134a 93 LS400

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Old 09-10-02, 09:55 AM
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Frankinaustin
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Default A/C freon pressure R134a 93 LS400

Hello, I just bought a 93 LS400 w/ R134a original a/c. can anybody look in their service manual and tell me what the high side and low side pressure should be? (ambient temp about 85 degrees, if that helps.)

I don't have a svc manual yet and would like to make a simple test. Thanks in advance. Frank
Old 09-10-02, 10:05 AM
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DevilDog
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Low side - 25-35 psi
High side - 250-350 psi
Old 09-10-02, 02:04 PM
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Frankinaustin
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thank you sir!
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