GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Metro 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Suction Hose Replacement

Removal Procedure

    Object Number: 354735 Size: MH
  1. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner from the vehicle.
  3. Disconnect the compressor suction hose at the evaporator bulkhead fitting (1).
  4. If the vehicle has a 1.3L engine, remove the nut, and disconnect the compressor suction hose from the block fitting (3).
  5. Remove the bolt and the compressor suction hose from the compressor.
  6. Remove the bolt and the compressor suction hose bracket from the vehicle.
  7. Remove the compressor suction hose from the vehicle.

Installation Procedure
  1. Lubricate new O-rings with mineral base 525 viscosity refrigerant oil.
  2. Install the O-rings to the suction hose.

    3. Object Number: 354735 Size: MH
  3. Install the compressor suction hose to the vehicle.
  4. Install the compressor suction hose at the evaporator bulkhead fitting (1).

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. If the vehicle has a 1.3L engine, connect the compressor suction hose to the block fitting (3). Secure the compressor suction hose with the nut.

    6. Tighten
    Tighten the nut to 9.8 N·m (86.74 lb in).

  6. Install the compressor suction hose to the compressor. Secure the compressor suction hose with the bolt.

    7. Tighten
    Tighten the bolt to 9.8 N·m (86.74 lb in).

  7. Install the compressor suction hose bracket to the vehicle. Secure the bracket with the bolt.
  8. Install the air cleaner to the vehicle.
  9. Evacuate and recharge the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging .
  10. Operate the A/C system, and test the system for refrigerant leaks. Refer to Leak Testing .