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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 4WD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Suction Hose Replacement

Suction Hose Replacement W/O C69-HP2


Object Number: 1965588 Size: MF

Callout

Component Name

Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure will perform the following tasks:

   • Identify how to disable high voltage.
   • Identify how to test for the presence of high voltage.
   • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement
  3. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement.
  4. Remove air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  5. Remove the radiator air upper baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  7. Remove the front wheelhouse liner right side. Refer to Front Wheelhouse Liner Replacement - Right Side

1

Suction Hose Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
9 N·m (80 lb in)

2

Suction Hose Bolt

Tighten
9 N·m (80 lb in)

3

Suction Hose

Procedure

Remove and discard sealing washer. Refer to Sealing Washer Replacement.

Suction Hose Replacement W/O C69


Object Number: 1684784 Size: MF

Callout

Component Name

Preliminary Procedure

Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

1

Suction Hose Bolt

Caution: Refer to Fastener Caution in the Preface section.

Tighten
9 N·m (80 lb in)

2

Suction Hose Nut

Tighten
9 N·m (80 lb in)

3

Sealing Washer

Tip
Remove and discard sealing washer. Refer to Sealing Washer Replacement.

4

A/C Suction Hose

Suction Hose Replacement W/C69


Object Number: 1781963 Size: MF

Callout

Component Name

Preliminary Procedure

Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

1

A/C Auxiliary Suction Hose Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
9 N·m (80 lb in)

2

A/C Auxiliary Suction Hose

Procedure

Remove and discard sealing washer. Refer to Sealing Washer Replacement.

Suction Hose Replacement W/C69-HP2


Object Number: 1965594 Size: MF

Callout

Component Name

Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure will perform the following tasks:

   • Identify how to disable high voltage.
   • Identify how to test for the presence of high voltage.
   • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement
  3. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement.
  4. Remove air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  5. Remove the radiator air upper baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  7. Remove the front wheelhouse liner right side. Refer to Front Wheelhouse Liner Replacement - Right Side

1

Suction Hose Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
9 N·m (80 lb in)

2

Evaporator Tube to Rear A/C Nut

Tighten
9 N·m (80 lb in)

3

Suction Hose to Rear A/C Nut

Tighten
9 N·m (80 lb in)

4

Suction Hose

Procedure

Remove and discard sealing washer. Refer to Sealing Washer Replacement.