GM Service Manual Online
For 1990-2009 cars only

Air Conditioning Evaporator Thermal Expansion Valve Replacement LTD/U20XE, LE5/U24XE


Object Number: 2020248  Size: MF

Callout

Component Name

Preliminary Procedure

Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

1

A/C Evaporator Hose Fastener

Caution: Refer to Fastener Caution in the Preface section.

Tighten
20 N·m (15 lb ft)

2

A/C Evaporator Hose Stud Bolt

Tighten
15 N·m (11 lb ft)

3

A/C Evaporator Hose Assembly

Procedure

  1. Disconnect the A/C evaporator hose from the thermal expansion valve (TXV) and cap the hose.
  2. Remove and discard the sealing washers. Refer to Sealing Washer Replacement.

4

A/C Evaporator Thermal Expansion Valve Fastener (Qty: 2)

Tighten
7 N·m (62 lb in)

5

A/C Evaporator Thermal Expansion Valve

Procedure

Remove and discard the sealing washers. Refer to Sealing Washer Replacement.