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Two low pressure fittings for A/C ~ why?

   
Old 07-08-09, 05:48 PM
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KMinAF
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Default Two low pressure fittings for A/C ~ why?
I noticed there are two low pressure fittings at the firewall for the A/C, one on each side of the valve? / manifold. Does it make a difference which one is used to recharge the system? I am assuming there are two so that pressure can be checked on either side of the switch/valve manifold for diagnostic purposes.

1991 LS400
161000 miles
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Old 07-08-09, 08:39 PM
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LiCelsior
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www.lexls.com maybe there has your answer ur looking for.
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Old 07-13-09, 04:42 PM
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The manual says to use the one on the tube not the one on the fittings.I hope you find the answer your looking for.M2cents.
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