Suburban 1/2 Ton 2WD V8-5.3L VIN T (2004)
and close between 275-317 kPa (40-46 psi).
11. Remove special tool GE-47742 after diagnosis is complete.
12. Install a new O-ring on the A/C low pressure switch port on the accumulator. Lightly coat the new O-ring seal with mineral base 525 viscosity
refrigerant oil.
13. Install the A/C low pressure switch onto the accumulator.
Tighten
Tighten the A/C low pressure switch to 6 Nm (44 lb in).
Important
Remember to install the seal back onto the A/C low pressure switch wire harness connector. Failure to replace the seal could result in
terminal corrosion.
14. Reconnect the wire harness to the A/C low pressure switch.
Disclaimer
