Automatic Belt TENSIONER

NOTE: Vehicles with 4.0L and 4.7L engines are equipped with automatic belt tensioner. DO NOT attempt to adjust belt tension.

For serpentine belt routing, see Figure -Figure . Belt tension is controlled by an automatic belt tensioner and is not adjustable. If index mark on tensioner is not within 1/8" (3 mm) of index arrow on tensioner housing, replace belt. See Fig 1 .

BELT ADJUSTMENT SPECIFICATIONS

Application

New Belt - Lbs. (kg)

⁽¹⁾ Used Belt - Lbs. (kg)

Automatic Tensioner

⁽²⁾

Manual Tensioner

180-200 (81-91)

140-160 (64-73)

⁽¹⁾	Belt is considered used after 15 minutes of service.

⁽²⁾	Automatic belt tensioner is used. Belt tension adjustment is not required.

Fig 1: Identifying Automatic Belt Tensioner Index Marks (Typical)

Courtesy of CHRYSLER CORP.