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2.7L Engine

Fig 1: Primary Water Pump Weep Passage - 2.7L
GC0014705Courtesy of DAIMLERCHRYSLER CORP.
1 - THERMOSTAT HOUSING/COOLANT INLET
2 - BOLT
3 - NUT
4 - WEEP HOLE
  1. Disconnect negative cable.
    WARNING: DO NOT REMOVE PRESSURE CAP WITH THE SYSTEM HOT AND UNDER PRESSURE BECAUSE SERIOUS BURNS FROM COOLANT CAN OCCUR.
  2. Drain cooling system (Refer to COOLING - STANDARD PROCEDURE) .
  3. Remove radiator lower hose from thermostat housing (1).
  4. Remove nuts from heater tube flange studs.
  5. Loosen starter bolt at heater tube bracket.
  6. Pull heater tube out of thermostat housing and position out of the way.
  7. Remove bolt (3) and two studs.
    Fig 2: THERMOSTAT - 2.7L/3.5L
    GC0014704Courtesy of DAIMLERCHRYSLER CORP.
    1 - THERMOSTAT HOUSING
    2 - O-RING
    3 - SPACER
    4 - BOLT
    5 - THERMOSTAT
  8. Remove thermostat housing (1), O-ring (2) and thermostat (4).
  9. Remove thermostat housing bolts (3).
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