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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 1 (3.7L Engine (Service Information)) >> Engine Block >> Damper-Vibration >> Installation >> Vibration Damper

Vibration Damper

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Fig 1: Proper Assembly Method For Special Tool 8512-A
GC0011806Courtesy of CHRYSLER LLC
CAUTION: To prevent severe damage to the Crankshaft, Damper or Damper Installer 8512-A, thoroughly clean the damper bore and the crankshaft nose before installing Damper.
  1. Align vibration damper slot with key in crankshaft. Slide damper onto crankshaft slightly.
    CAUTION: Damper Installer 8512-A, is assembled in a specific sequence. Failure to assemble this tool in this sequence can result in tool failure and severe damage to either the tool or the crankshaft.
  2. Assemble Damper Installer 8512-A as follows, The nut (2) is threaded onto the threaded rod (3) first. Then the roller bearing (1) is placed onto the threaded rod (The hardened bearing surface of the bearing MUST  face the nut (4)). Then the hardened washer (5) slides onto the threaded rod. Once assembled coat the threaded rod's threads with Mopar® Nickel Anti-Seize or equivalent.
    Fig 2: Installing Crankshaft Damper
    GC0011807Courtesy of CHRYSLER LLC
  3. Using the Damper Installer 8512A, press the damper onto the crankshaft.
  4. Install and tighten vibration damper bolt to 175 N.m (130 ft. lbs.).
  5. Install the radiator fan. Refer to INSTALLATION .
  6. Install the accessory drive belt. Refer to INSTALLATION .
  7. Connect the negative cable to battery.
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