Resetting TENSIONER

Fig 1: TIMING CHAIN TENSIONER - OIL PURGING

Courtesy of CHRYSLER LLC

The timing chain tensioner is a spring loaded hydraulic tensioner. To reset the timing chain tensioner, the following procedure must be followed.

1. Purge oil from timing chain tensioner using the following procedure:
   1. Place the check ball end of tensioner (1) into the shallow end of Special Tool 8186 (3).
   2. Using hand pressure, slowly depress tensioner (1) until all of the oil is purged out.
   Fig 2: TIMING CHAIN TENSIONER - RESETTING

   Courtesy of CHRYSLER LLC
   NOTE: To reset the primary timing chain tensioner, engine oil will first need to be purged from the tensioner.
2. Reset timing chain tensioner (4) using the following procedure:
   1. Position cylinder plunger into the deeper end of Special Tool 8186 (3).
   2. Apply a downward force until tensioner (4) is reset.
   NOTE: If oil was not first purged from the tensioner, use slight finger pressure to assist the center arm pin of Special Tool 8186 (3) to unseat the tensioner's check ball.
   NOTE: Inspect the tensioner o-ring (2) for nicks or cuts and make sure the snap ring (1) is correctly installed, replace as necessary.