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'99 Cavalier Compressor Mystery
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Fezer 690
Novice
Dec 13, 2012, 5:14 PM
Post #1 of 6
(3242 views)
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'99 Cavalier Compressor Mystery
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Hi,
Vehicle:
1999 Chev Cavalier
Engine: 2200 2.2 litre engine
Auto trans
I just had my 1999 Chev Cavalier to the shop to check out the A/C system for a suspected leak. The mechanic said I needed a new compressor(very logical explanation). The fun starts when I try to look up a replacement part. For those cars, there are 2 distinct compressor styles. One with a 5/8 suction port the other with a 3/4 suction port. The mechanic noted that is a 5/8 line and a 3/4 line going to the compressor. The mechanic that the 3/4 was likely the suction. What I would like to know is how to figure out which is which for sure before I end up ordering the wrong compressor. I appreciate the help.
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Discretesignals
Ultimate Carjunky
/ Moderator
Dec 13, 2012, 5:45 PM
Post #2 of 6
(3225 views)
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Re: '99 Cavalier Compressor Mystery
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You need to measure the diameter of the suction port on the old compressor. It is either 5/8 or 3/4.
You might want to buy an accumulator and orifice tube also.
I like when customers buy their own parts. That way if the compressor grenades because its cheap or used, they end up paying the labor again plus more labor to flush the system out and to install a new condenser. Another words most shops won't warranty the parts or labor if a customer buys their own stuff. Some shops won't even touch it.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Dec 13, 2012, 5:46 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 13, 2012, 6:04 PM
Post #3 of 6
(3213 views)
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Re: '99 Cavalier Compressor Mystery
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You are opening a real can of worms by messing with any of this yourself. You may not even have a mechanic that should be touching it either if he can't even tell you which line is the suction. A/C diagnosis is not as simple as many think and a mistake made can double the cost of the repair and make matters much worse.
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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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Fezer 690
Novice
Dec 13, 2012, 6:28 PM
Post #4 of 6
(3198 views)
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Re: '99 Cavalier Compressor Mystery
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Call me nieve, but how do you I tell the suction port from the "pressure"?
I'll keep the accumulator and oriface tube suggestion mind.
Just to be clear, I'm well aware of the sacrifices made when you buy "on your own". I can likely get the identicle part for much less then what the mechanic can get it for. I don't expect him to warrant a part he did not sell(even though, most parts suppliers have some warrenty on just the part). Anyways, I plan on buying a new compressor for the car. Another curious question: is there any brand(s) of after market AC compressors that are safe bets or rotten eggs? I know that no brand is perfect, but there must be some that are better then the rest.
Thanks so far!
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Discretesignals
Ultimate Carjunky
/ Moderator
Dec 13, 2012, 6:38 PM
Post #5 of 6
(3193 views)
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Re: '99 Cavalier Compressor Mystery
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As long as you accept the responsibility that is cool.
Suction line is larger than the discharge line. The line that runs from the accumulator to the compressor is the suction line. Most of the time the size of the line is the size of the port. I usually take a wrench and lay it over the line at the back of the compressor. Either a 5/8 or 3/4 wrench will fit snug over the line. If the system is discharged or you don't trust the wrench method, you can unbolt the manifold from the compressor and measure the end that goes into the compressor port also.
Stay away from remans. Don't get a 4 seasons unless you want to replace it every four seasons. If you can get Delco or Delphi, that is OEM. Compressor Works is another good brand that we use and have had good luck with. That was HT's suggestion a while back and a good one.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Dec 13, 2012, 6:41 PM)
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Fezer 690
Novice
Dec 13, 2012, 7:27 PM
Post #6 of 6
(3167 views)
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Re: '99 Cavalier Compressor Mystery
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Okay that makes sense!
Thanks!
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