NEED LOCATION OF ORIFICE TUBE ON A/C PLEASE

  • Tiny
  • louiepryor
  • 2002 Nissan Altima
  • 65,000 miles

The mechanic he put on machine to recover & recharge. He say that the orifice tube need to be replaced immediately. He could not tell me where the orifice tube was. So, I ask you to tell me so I know he is not dinking around. Sounds maybe like he wants to replace other items also.

Saturday, June 29th, 2013 AT 8:39 AM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

The orifice tube is known as the expansion valve here and is attached to the cooler unit(evaporator) Procedures are as below.

REMOVAL AND INSTALLATION FOR EXPANSION VALVE

1. Discharge the refrigerant.
2. Disconnect the refrigerant lines from the cooler unit.
3. Remove the cooler grommet.
4. Remove the expansion valve.
Expansion valve mounting bolts Tightening torque: 2.9 - 5.0 N.M (0.29 - 0.51 kg-m, 26 - 44 in-lb)

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Sunday, June 30th, 2013 AT 2:40 AM

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