Grand AM V6-3100 3.1L MFI VIN M (1994)
Drive Belt Tensioner: Description and Operation
Serpentine Drive Belt
Tool Required:
J 23600-B Belt Tension Gage
Inspect
^
Routine inspection of the belt may reveal cracks in the belt ribs. These cracks will not impair belt performance and therefore should not be
considered a problem requiring belt replacement.
^
The belt should be replaced if sections of the belt ribs are missing or if the belt is outside of the tensioner's operating range.
Important
^
Belt tension is maintained by the tensioner and is not adjustable.
Measure
1. Run engine, with no accessories on, until the engine is warmed up. Shut the engine off and read belt tension using J 23600-B placed halfway
between the generator and the power steering pump. Note reading and remove J 23600-B.
2. Start the engine (with accessories off) and allow the system to stabilize for 15 seconds. Turn the engine off. Using a 15 mm socket, apply
clockwise force (tighten) to the tensioner pulley bolt. Release the force and immediately take a tension reading without disturbing belt tensioner
position.
3. Using the serpentine wrench, apply a counter-clockwise force to the tensioner pulley bolt and raise the pulley to eliminate all tension. Slowly lower
the pulley to the belt and take a tension reading without disturbing the belt tensioner position.
4. Average the three readings. If the average of the three readings is not between 225 and 315 N (50 and 70 lb.) and the belt is within the tensioner's
operating range, replace the belt tensioner.