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orifice tube location 87 trans am

87 trans on Mon August 24, 2009 9:00 PM User is offline

Year: 87
Make: pontiac
Model: trans am
Engine Size: 305
Refrigerant Type: 134a
Ambient Temp: 89
Pressure Low: 50
Country of Origin: United States

where is the location of the orifice tube on an 87 trans am.

GM Tech on Tue August 25, 2009 8:13 AM User is offline

Can only be in one of two places-- either evaporator inlet (small 3/8" line) or at condenser outlet... look for the dimples (crimps) in the line that holds the OT in place.....

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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......

HVargas on Tue August 25, 2009 12:10 PM User is offlineView users profile

It is in the line from the evaporator to condenser. You can remove the line on either end to remove the OT. Like GM Tech said just look for the small dimples that hold it in place.

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