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For 1990-2009 cars only

A/C Inoperative (Repair Wires and Reroute Harness)

Subject:A/C Inoperative (Repair Wires and Reroute Harness)

Models:2000 Chevrolet and GMC S Truck Models
With 2.2L Engine (VIN 4 -- RPO LN2)
Built at Shreveport Assembly Plant (Plant Code 8) and Prior to VIN Breakpoint Y8302995



Condition

Some customers may comment on no A/C.

Cause

This condition may be caused by the A/C compressor clutch coil wire being pinched between the coolant outlet pipe and the air cleaner resonator assembly, resulting in damage to the wires.

Correction

Repair any damaged wires. Reroute the A/C compressor clutch coil and engine coolant temperature (ECT) sensor wire harnesses to a new location. Use the procedure listed below.

  1. Remove the air cleaner outlet resonator. Refer to the Engine Controls sub-section of the Service Manual for removal procedures.

  2. Object Number: 750017  Size: MF
  3. Inspect the harness at the pinched location (1) and repair any damaged wires. Refer to Wiring Repairs in the Wiring Systems sub-section of the Service Manual.

  4. Object Number: 750018  Size: MF
  5. Reroute the harness to the new location (2).
  6. • Disconnect the A/C compressor clutch coil connector.
    • Route the harness over the coolant outlet pipe and run the harness along the back side of the spark plug wire hold down.
    • Reconnect the A/C compressor clutch coil connector.
    • Disconnect the ECT sensor connector.
    • Route the harness underneath the spark plug wires and reconnect the ECT sensor connector.
  7. Install the air cleaner outlet resonator. Refer to the Engine Controls sub-section of the Service Manual for installation procedures.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

N6642

HVAC System, Wiring and/or Connector - Repair

Use published labor operation time

In Other Labor Hours, add 0.3 hr for removal and installation of the air cleaner resonator. Authorization required.