Ford Mustang (1999-2004) Service Manual: Chuckle

Chuckle that occurs on the coast driving phase is usually caused by excessive clearance between the differential gear hub and the differential case bore.

Damage to a gear tooth on the coast side can cause a noise identical to a chuckle. A very small tooth nick or ridge on the edge of a tooth can cause the noise.

Clean the gear tooth nick or ridge with a small grinding wheel. If the damaged area is larger than 3.2 mm (1/8 inch), install a new gearset.

To check the ring gear and pinion, remove as much lubricant as possible from the gears with clean solvent. Wipe the gears dry or blow them dry with compressed air. Look for scored or damaged teeth.

Also look for cracks or other damage.

If either gear is scored or damaged badly, install a new ring gear and pinion.

Chuckle

If metal has broken loose, the axle housing must be cleaned to remove particles that will cause damage. At this time, any other new parts in the axle housing must also be installed, if necessary.

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    Knock
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    Other materials:

    Storage Compartments
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    Exhaust Manifold - LH
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    Entertainment
    Your system offers many media options. You can access these options using the touchscreen or voice commands. AM/FM Radio Press the RADIO hard button. To change between AM, FM1 and FM2, touch the AM or FM tab. You can also access satellite radio by pressing t ...