A/C System Problem Areas Identified (82/02/97/NAS)

PROBLEM AREAS WITH A/C SYSTEM

Reports have been received from the field identifying the following problem areas:

• A/C Pipe Damage - Contact between pipes and body frame brackets could lead to an oil or refrigerant leak. This condition may vary depending on position variances of the engine in the engine compartment from one vehicle to another.
• Water Leaks - Access holes may not be fully sealed to prevent water leaks into the interior.
• A/C Wiring Harness Damage - The adjacent location of the wiring to high temperature components may damage electrical connections.

A/C SYSTEM EVALUATION & COMPONENT ADJUSTMENTS

Inspection and repair of problem areas at the next service opportunity should be performed to eliminate damage to vehicle components Defender 90 A/C system corrective action include:

• Repositioning of pipes.
• Sealing of holes and apertures.
• Reinforcement of wiring harness clamps.

Several care points outlined on the following page must be carried out to ensure proper operation of the A/C system and the integrity of the components.

DISASSEMBLY

1. Remove the storage tray in front of the transfer gearbox shift lever to gain access to the fuse panel.
2. Refer to the label on the bottom of the storage tray and locate fuse 16.
3. Remove 15 Amp fuse in location 16.

ASSEMBLY & REPAIR

1. Install the 20 amp fuse provided in service kit in fuse location 16.
2. Affix "16 - 20A" label supplied in the service kit over the Fuse 16 location of the existing label on the bottom of the storage tray.
3. Install the tray.
4. See Fig 1 and locate the compress or ground lead attached to the RH front inner fender and disconnect.
   CAUTION: Make sure that the relocated ground wire location wire is clear of the hood prop rod and the engine pulleys.
5. Install the removed ground lug under the lower bolt which secures the hood support pivot bracket to the body.
6. Tighten the bolt securing the A/C ground to 9 N.m (80 in-lb).

Fig 1: Old/New Ground Wire