3.7L/4.7L Engine

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Automatic Belt Tensioner, Bolt And Mounting Bracket

Courtesy of CHRYSLER LLC

1 - TIMING CHAIN COVER

2 - BOLT TORQUE TO 41 N.m (30 FT LBS)

3 - AUTOMATIC BELT TENSIONER

On 3.7L and 4.7L engines, the accessory drive belt tensioner is equipped with an indexing tang on back of tensioner and an indexing stop on tensioner housing. If a new accessory drive belt is being installed, tang must be within approximately 24 mm (.94 inches) of indexing stop. Belt is considered new if it has been used 15 minutes or less.

Remove accessory drive belt. Refer to BELT, Serpentine, Removal .
WARNING:
Because of high spring pressure, do not attempt to disassemble automatic tensioner. Unit is serviced as an assembly.
Remove tensioner (3) assembly from timing chain cover.