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location of orifice tube RIVIERA

hodges on Sun August 01, 2004 4:07 PM User is offline

Year: 1995
Make: BUICK
Model: RIVIERA
Engine Size: V6
Refrigerant Type: R134

CAN ANYONE HELP ME WITH THE LOCATION OF THE ORIFICE TUBE FOR A 1995 BUICK RIVIERA W/SUPERCHARGER.
I HAVE THE OLD COMPRESSOR OUT, AND AM BUYING A REBUILT ONE BUT THEY SAY THE WARRANTY WILL BE VOID IF I DON'T REPLACE THE ACCUMULATOR, AND ORIFICE TUBE. ACCUMULATOR NO PROBLEM, BUT I AM LOST LOCATING THE ORIFICE TUBE. FROM LOOKING ON HERE SEEMS THEY ARE LOCATED IN VARIOUS POSITIONS ON EVERY VEHICLE.
HELP
J.HODGES

Chick on Sun August 01, 2004 8:15 PM User is offlineView users profile

I believe the 95 Riv has both service ports on the same line about six inches apart?? If so, the O tube is in the middle..You'll see a fitting. Take it off and the O tube is right there...Hope this helps..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

hodges on Sun August 01, 2004 9:17 PM User is offline

By service ports you mean the fittings with the screw on caps ??
If so then yes they are on the same line and about 6 inches apart, thanks for the help !!!
J.Hodges

agood1 on Mon September 01, 2008 9:41 AM User is offlineView users profile

I am working on the same car, replacing the compressor, I need to know how much oil to put in the system, and where to put it. The compressor came with 1.5oz of oil in it.

Thanks

GM Tech on Tue September 02, 2008 9:42 AM User is offline

H-6 compressors were always shipped from the factory with 8 ounces oil - or if you wish, you can put some of oil in the accumulator- as others will advise-- But I can tell you that every new car when a/c is started for the first time- has the entire oil charge in the compressor crankcase.

A '95 Riviera takes 32 onces refrigerant- as should be on the underhood sticker.

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

Edited: Tue September 02, 2008 at 9:45 AM by GM Tech

agood1 on Thu September 04, 2008 8:30 AM User is offlineView users profile

There is a tag attached to the compressor that plainly states it only has 1.5 oz of oil in it. Thanks for the freon quantity, there is no underhood sticker on this car.

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