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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1594 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement (L66)

Thermal Expansion Valve Replacement (L66)

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Thermal Expansion Valve (L66)
GM1542223Courtesy of GENERAL MOTORS CORP.
Thermal Expansion Valve Replacement (L66)

Callout Component Name

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
1 Hose A/C Evaporator Nut
NOTE: Refer to Fastener Notice .

Tighten:  10 N.m (89 lb in)

2 Hose A/C Evaporator Nut
Tip:  Remove the hoses from the thermal expansion valve (TXV) and position a side.

Tighten:  20 N.m (15 lb ft)

3 Sealing Washer
Tip:  Remove and discard the seal. Refer to Sealing Washer Replacement .
4 Sealing Washer
Tip:  Remove and discard the seal. Refer to Sealing Washer Replacement .
5 TXV Bolts

Tighten:  8 N.m (71 lb in)

6 TXV
7 A/C Evaporator Seal
Tip:  Remove and discard the seal. Refer to O-Ring Replacement .
8 A/c Evaporator Seal
Tip:  Remove and discard the seal. Refer to O-Ring Replacement .