Question about 1994 Pontiac Trans Sport

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Where is the orifice tube in 94 transport 3.8?

Yes, I put the sealer in this van a month ago, and it still is holding the charge.

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Inlet to the evaporator core at firewall.

Posted on Jun 26, 2009

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2 Answers

Where is orifice tube on 1994 gmc 1500 p/u


It is located in the larger of the 2 AC hoses from the compressor or it is located on the can shaped object called the "accumulator canister"

Jun 03, 2016 | GMC Cars & Trucks

1 Answer

Where is the orifice tube on a 1990 geo tracker 1.6


an orifice tube in what? (yes, yes, and yes)
1: one in the head for the oil gallery, 0.050" diameter
2: a set in the a/c expansion valve.
3: many in the automatic transmission if not stick trans.
4: Im sure, more, but need to know what system i car is failing
and symptoms. would make this 10x more easy

5: the windshield washers have orfices.

Aug 20, 2015 | Geo Cars & Trucks

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A/c will not hold a charge and I hear fluid escaping from behind where the orifice tube is located why


I would guess there might be a leak coming from behind where the orifice tube is located.

Aug 24, 2014 | Cars & Trucks

1 Answer

Where is the orifice tube located to put a new one in?


The orifice tube is located inside the liquid line where it connects to the condenser. This line is located on the passenger side of the car and has the low side charge port on it. this line unscrews right where the orifice tube is located... Hope this helps

Sep 08, 2012 | 1992 Buick LeSabre

2 Answers

Need to change to a a/c retro fit do i need to change dryer or filter if so how and where is it'' on 10 90 chev z71


yes change the accumulator /filter drier and the orifice tube the orifice tube is on the high side line going to the condenser and the accumulator is on the fire wall passenger side but this system needs to be evacuated before this is done its against the law to release these gasses into the air so youll need a recovery system to do this dontforget to replace the seals also

May 28, 2011 | 1991 Chevrolet Silverado 2500

1 Answer

Ac leaks won't hold charge more than one day.put can of sealer in but it did'nt help.could it be the o-rings.if so how to repair it.


I use a green die to locate the leak in an A/C circuit , not a stop leak sealer..

Yes , the most likely culpriet is an O-ring gone bad.

Sep 29, 2010 | 1995 Oldsmobile Cutlass Ciera

2 Answers

Ac comp doesnt come on it saya low ref but i had that checked & it was ok


If the orifice tube is restricted,this could cause the problem ,but make sure it is not low on freon,the orifice tube is only a couple of dollars,but you will have to remove the freon to replace the orifice tube,most always the orifice tube needs replacing,almost all the time they are checked the orifice tubes are clogging up.If this was helpful,please rate,the ac system you have,has two sensors,and it is real sensitive.

Jul 17, 2010 | 1997 Cadillac Seville

1 Answer

Rear a/c works fine but front a/c blows about the same as outside air temp


The orifice on Suburbans with rear A/C is located near the Y shaped junction block in the tube between the condenser and the front evaparator. It is on the right side near the radiator support. The orifice is in the tube between the junction block and front evaporator. If you look close there is a slight crimp in the tube to keep it from sliding too far into the tube. You should be able to disassemble the tube and remove and replace it.
Sorry for the late post but I just saw your question.

May 17, 2009 | 1999 GMC Suburban

2 Answers

A/C compressor not engaging.


IF THE SYSTEM HAS A LEAK, THEN THE COMPRESSOR CLUTCH WILL NOT ENGAGE. TRY PUTTING SOME 134A FREON IN THE LOW SIDE(LARGER OF THE TWO LINES). AND SEE IF THE CLUTCH PULLS IN. IF IT DOES, THEN THERE IS A LEAK SOMEWHERE. IF YOU GET THE FREON WITH THE LEAK DETECTOR DYE IN IT, THEN YOU SHOULD BE ABLE TO LOCATE IT RATHER EASY. SOME CANS COME WITH A STOP-LEAK, BUT THESE TEND TO CLOG UP THE ORIFICE TUBES. HOPE THIS HELPS. PLEASE KEEP ME POSTED. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA. GOOD LUCK

May 16, 2009 | 1994 Pontiac Trans Sport

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