Thread: 99 GTP Orifice tube

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  1. #1 99 GTP Orifice tube 
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    Just finished putting in a new compressor, accumulator, and orifice tube. The orifice tube was a major p.i.t.a.! If anyone is contemplating this job, it was a *****, but doable. I have a 99 GTP, I'm the original owner. Im on compressor number three, the factory original lasted about 16 years, then I've run two junkyard compressors, getting like a year or so service out of each. When the last one died I bit the bullet and went new. Anyway if anyone is contemplating doing this, I had to move the ABS, master cylinder and cruise control module out of the way, but I did not have to disconnect any brake lines or move the brake booster. What worked for me tool-wise was a 1 1/16 crowfoot, along with a stubby crescent wrench. The crowfoot was slightly large, and I have read that the nut is supposed to be 26mm, but no one here in TN had that wrench size so I went with the 1 1/16. Also see the pic below, I see alot of guys opt not to change the orifice tube because its hard, but after 20 years mine was really bed.

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  3. #2 Re: 99 GTP Orifice tube 
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    Did that job on my 00 GT. NOT something I ever want to do again. And the tube looked exactly like yours. Just baked on junk. Works much better now.
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  4. #3 Re: 99 GTP Orifice tube 
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    It's holding vac overnight so far. Going to charge it up later this afternoon. When you did your car, did you notice the a/c being any colder?
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  5. #4 Re: 99 GTP Orifice tube 
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    Yes, the vent temps did drop some.
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  6. #5 Re: 99 GTP Orifice tube 
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    OK Thanks. Charged mine up yesterday, it's been nice and cold, no leaks so far.
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