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technoweener
User
Jun 27, 2011, 3:31 PM
Post #26 of 35
(3487 views)
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Re: 99 Suburban No Cold Air
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Doing the oil balancing procedure and when I went to empty the old compressor oil only 1 drop came out. I guess that is bad? 
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 27, 2011, 3:34 PM
Post #27 of 35
(3485 views)
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Re: 99 Suburban No Cold Air
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You would expect to get more than that. Did you try rotating the compressor shaft while dumping it?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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technoweener
User
Jun 27, 2011, 3:40 PM
Post #28 of 35
(3481 views)
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Re: 99 Suburban No Cold Air
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I did but still no oil.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 27, 2011, 3:42 PM
Post #29 of 35
(3478 views)
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Re: 99 Suburban No Cold Air
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It's not real important now. Just add about 4 ounces to the new compressor if it comes with no oil. Add another 2 to the accumulator when you install it.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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technoweener
User
Jun 27, 2011, 4:10 PM
Post #30 of 35
(3475 views)
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Re: 99 Suburban No Cold Air
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So about the oil, the compressor came with about 6.5 oz in it. The directions called for the new oil be emptied and then (depending on how much oil came out of the old compressor), add up to 2 oz of the new oil back into the new compressor.
I should put 4 oz back into the new compressor?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 27, 2011, 4:12 PM
Post #31 of 35
(3472 views)
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Re: 99 Suburban No Cold Air
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I always do. Be sure to rotate the compressor by hand after the hoses are attached and before it's started to purge the oil out of the compressor before starting it.
You have likely lost a lot of oil through leaks.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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technoweener
User
Jun 27, 2011, 6:55 PM
Post #32 of 35
(3460 views)
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Re: 99 Suburban No Cold Air
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Everything is installed, no leaks, coolant charged up to 50 psi, compressor engages and hums right along but still no cold air.  Rats!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 28, 2011, 12:40 AM
Post #33 of 35
(3457 views)
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Re: 99 Suburban No Cold Air
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Real gauges techno or we are wasting not just time but could wreck good new parts. If the original system blew shrapnel thru the system it ups the ante. Condenser in this really can't be effectively flushed out and if it doesn't exchange heat it ends there without a new one and check for debris at O tube,
T
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technoweener
User
Jun 28, 2011, 8:46 AM
Post #34 of 35
(3447 views)
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Re: 99 Suburban No Cold Air
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Bought a separate gauge instead of using "one that comes with the coolant". Also, replaced the orifice tube filter and did not see any debris when I opened the line or on the old o tube.
When starting from scratch, do I just need to add coolant or are there other steps?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 28, 2011, 12:11 PM
Post #35 of 35
(3443 views)
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Re: 99 Suburban No Cold Air
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Not "coolant" -- it's called refrigerant. We know what you mean but since both are used it complicates it. Freon once a brand name did get coined as refrigerant but not with the capitol letter as that belongs to DuPont corp. No matter but confusing if we mind readers don't get it and regulars do.
Seems like you are on the road to total success. As said off open forum you can call me live for the finish and be done with this chapter.
Trust me, succeeding at something on the web is our payback as we don't make a cent doing this!
Tom
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