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| Auto
A/C Component replacement |
Q: What
if I am replacing the A/C compressor? Where do I add that oil?
A: When replacing the
A/C compressor, you should make all attempts to follow the specific instructions
provided with that compressor. Some compressors will ship with the oil already
installed; others will ship virtually dry. If no manufacturer's instructions
are available, you should start by draining all the oil from the new replacement
(or remanufactured replacement) and from your old compressor. Measure the
amount drained from your old compressor and add that amount plus
one ounce to the replacement. That oil should be added directly into
the suction port of the A/C compressor. If you can not drain any oil from
your old compressor, you should add about 1/3 of the total system charge
of oil to the compressor. As a rule, the A/C system will hold between 8-12
ounces of oil. Therefore, depending on your particular system, you would
add between 2-1/2 and 4 ounces into the replacement compressor. For best
results, use Polymax2 refrigerant oil because it's non-hygroscopic
(will not attract moisture) and is approved for use with all oils. Also consider
adding an in-line A/C filter for added protection for your new compressor.
These in-line filters are almost like insurance for your A/C Compressor.
You can see more details on those in-line A/C compressor filters here.
Also see the complete article on replacing
your auto A/C Compressor. |
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only 'perpetual' A/C service manual that is constantly updated! Best of all,
it's free! |
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| Our list of FAQ's is growing,
so please visit back often. If you can't find the right answer here, visit
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and discussion board at the COOL ZONE. You'll get all the right answers
to your questions about troubleshooting and diagnosing auto A/C systems. |
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This
was probably one of the best books on recharging air conditioning that I
have seen...
