lexus Workshop Repair Guides

Lexus IS 250C V6-25L Workshop Service and Repair Manuals

Alternator|Testing and Inspection|Page 3582 > < Vehicle - Long Term Vehicle Storage Guidelines|Page 3577
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Alternator: Testing and Inspection

4GR-FSE BATTERY / CHARGING: GENERATOR: INSPECTION

1. INSPECT GENERATOR CLUTCH PULLEY

(a) Hold the center of the pulley, and confirm that the outer ring turns counterclockwise and does not turn clockwise.

Text in Illustration

If the result is not as specified, replace the clutch pulley.

2. INSPECT GENERATOR DRIVE END FRAME BEARING

(a) Check that the bearing is not rough or worn.

OK:

The bearing rotates smoothly.

If the bearing does not rotate smoothly, replace the bearing.

3. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY

(a) Using a vernier caliper, measure the length of the exposed brushes.

Text in Illustration

Standard exposed length:

9.5 to 11.5 mm (0.375 to 0.452 in.)

Minimum exposed length:

4.5 mm (0.178 in.)

If the exposed length is less than the minimum, replace the brush holder assembly.

Alternator|Testing and Inspection|Page 3582 > < Vehicle - Long Term Vehicle Storage Guidelines|Page 3577