GM Service Manual Online
For 1990-2009 cars only

Liquid Line Replacement HP5


Object Number: 2158781  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the left headlamp assembly. Refer to Headlamp Replacement.
  3. Remove the accessory DC power control module mounting plate. Refer to Accessory DC Power Control Module Mounting Plate Replacement.

1

Liquid Line Clamp Fastener.

Caution: Refer to Fastener Caution in the Preface section.

Tip
Liquid line clamp is located behind brake master cylinder reservoir on cowl.

Tighten
4 N·m (35 lb in)

2

Liquid Line Fastener (Qty: 2)

Tighten
16 N·m (12 lb ft)

3

Liquid Line.

Procedure

  1. Remove the liquid line from the connection block at the thermal expansion valve (TXV).
  2. Ensure to cap all HVAC line/hose connections immediately after removal to avoid contamination. Refer to Handling of Refrigerant Lines and Fittings.
  3. Remove liquid line from attachment clamps located inside the left strut housing and on the left hand compartment panel behind the headlamp assembly.
  4. Install new sealing washers. Refer to Sealing Washer Replacement

Liquid Line Replacement LAT


Object Number: 1889235  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the surge tank. Refer to Radiator Surge Tank Replacement.
  3. Remove the radiator opening upper cover. Refer to Radiator Opening Upper Cover Replacement.
  4. Remove the battery. Refer to Battery Replacement.
  5. Remove the LH headlamp. Refer to Headlamp Replacement.
  6. Remove the engine control module and the transmission control module. Refer to Engine Control Module Replacement and Transmission Control Module Replacement.

1

Thermal Expansion Valve (TXV) Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
16 N·m (12 lb ft)

2

Liquid Line Bracket Nut (Qty: 2)

Tighten
9 N·m (80 lb in)

3

Liquid Line Retainer

4

Liquid Line to Condenser Bolt

Tighten
16 N·m (12 lb ft)

5

Liquid Line Assembly

Liquid Line Replacement LE5, LZ4, LY7


Object Number: 1889234  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the surge tank. Refer to Radiator Surge Tank Replacement.
  3. Remove the radiator opening upper cover. Refer to Radiator Opening Upper Cover Replacement.
  4. Remove the battery. Refer to Battery Replacement.
  5. Remove the LH headlamp. Refer to Headlamp Replacement.
  6. Remove the engine control module and the transmission control module. Refer to Engine Control Module Replacement , Engine Control Module Replacement , Engine Control Module Replacement and Transmission Control Module Replacement.

1

Thermal Expansion Valve (TXV) Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
16 N·m (12 lb ft)

2

Liquid Line Hose Bracket Nut (Qty: 2)

Tighten
9 N·m (80 lb in)

3

Liquid Line Hose to Condenser Bolt

Tighten
16 N·m (12 lb ft)

4

Liquid Line Hose Assembly