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501-00-4 General Information 501-00-4 DIAGNOSIS AND TESTING Body System Inspection and Verification 1. Verify the customer concern by operating the system. the symptom and refer to the Symptom 2. Visually inspect for obvious signs of mechanical or electrical damage. 3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step. 4. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Visual Inspection Chart Mechanical Dust Leaks Water Leaks Symptom Chart Condition Source Action Dust Leaks Displaced sealer. Refer to the service procedure below. Damaged body parts. Refer to the service procedure below. Missing underbody grommets. Refer to the service procedure below. Misaligned doors. Refer to the service procedure below. Misaligned glass. Refer to the service procedure below. Water Leaks Displaced sealer. Refer to the service procedure below. Damaged body parts. Refer to the service procedure below. Missing underbody grommets. Refer to the service procedure below. Misaligned doors. Refer to the service procedure below. Misaligned glass. Refer to the service procedure below. Sealer locations should be considered when checking Spare tire for dust or water leaks. The forward motion of the Roof opening panel. vehicle causes any unsealed small opening in the After removing the trim panel(s), the location of most lower section of the body to permit air and dust to be leaks will be evident. The entrance of dust is usually drawn into the body. Opening the ventilator air ducts indicated by a point of dust or silt. Seal these leaks, will equalise these pressures. Dust accumulates in the then road test the vehicle on a dusty road to ensure luggage compartment body opening and may move all leaks are sealed. A suitable Leak Detector can into the luggage compartment. locate dust leaks, wind and water leaks. To eliminate dust leakage, determine the exact point After the road test, check for indications of a dust at which the dust enters. Under certain conditions, pattern around the door openings, cowl side trim water may also enter the body at any point where panel, lower part of the quater panel and in the dust can enter. luggage compartment. To determine the exact location of a dust leak, it may Sometimes leaks can be located by putting bright be necessary to remove the following trim panels from lights under the vehicle, with the above components the vehicle: removed, and checking the interior of the body joints Scuff plate. Section 501-05 and weld lines. A light will show through where leaks C - Pillar trim. Section 501-05 exist. Rear seat backrest and frame, and rear seat cushion and frame. Section 501-10 G86728 en |