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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1887 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement (L61/LAT)

Thermal Expansion Valve Replacement (L61/LAT)

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 (L61/LAT)
GM1538471Courtesy of GENERAL MOTORS CORP.
Thermal Expansion Valve Replacement (L61/LAT)

Callout Component Name
Preliminary Procedure: 
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
1 Hose A/C Evaporator Nut
NOTE: Refer to Fastener Notice .

Tighten:  20 N.m (15 lb ft)

2 A/C Evaporator Hose
3 A/C Receiver Dehydrator Tube Assembly
4 Sealing Washer
Tip:  Remove and discard the seal. Refer to Sealing Washer Replacement .
5 Sealing Washer
Tip:  Remove and discard the seal. Refer to Sealing Washer Replacement .
6 Thermal Expansion Valve (TXV) Bolts

Tighten:  8 N.m (71 lb in)

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