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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Engine - 4.7L) >> Vibration Damper >> Installation

Vibration Damper: Installation

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: To prevent severe damage to the Crankshaft, Damper or Special Tool 8512-A, thoroughly clean the damper bore and the crankshaft nose before installing Damper.
  1. Align crankshaft damper slot with key in crankshaft. Slide damper onto crankshaft slightly.
    CAUTION: Special Tool 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 Special Tool 8512-A as follows, The nut is threaded onto the shaft first. Then the roller bearing is placed onto the threaded rod (The hardened bearing surface of the bearing MUST  face the nut). Then the hardened washer slides onto the threaded rod (Fig 1). Once assembled coat the threaded rod's threads with Mopar®R Nickel Anti-Seize or (Loctite No. 771).
    Fig 1: Assembling Special Tool 8512-A
    G02657037Courtesy of DAIMLERCHRYSLER CORP.
  3. Using Special Tool 8512-A, press damper onto crankshaft (Fig 2).
    Fig 2: Installing Crankshaft Damper
    G02657038Courtesy of DAIMLERCHRYSLER CORP.
  4. Install then tighten crankshaft damper bolt to 175 N.m (130 ft. lbs.).
  5. Install fan blade assembly ).
  6. Install radiator upper shroud and tighten fasteners to 11 N.m (95 in. lbs.).
  7. Connect electrical connector for shroud fan.
  8. Install radiator upper hose.
  9. Install accessory drive belt (Refer to DRIVE BELTS ).
  10. Refill cooling system (Refer to STANDARD PROCEDURE--REFILLING COOLING SYSTEM 4.7L ).
  11. Connect negative cable to battery.