Having problems with your 1992 Cadillac DeVille ?


Posted / edited by AnonymousUser on : 19-03-2018

Answers :

  1. Drain the coolant to a level below the thermostat housing. \015\012
  2. On some vehicles, access is easier if the front-end beauty panel and the air cleaner are removed. \015\012
  3. Remove the 2 bolts securing the thermostat housing to the intake manifold. \015\012
  4. Remove the thermostat housing. \015\012
  5. Remove the thermostat and O-ring from the housing.
\015\0120900c15280090476.jpgThermostat installation—4.6L Engine\015\0120900c15280090477.jpgLoosen the upper radiator hose clamp at the thermostat housing\015\0120900c15280090478.jpgRemove the upper radiator hose clamp from the thermostat housing\015\0120900c15280090479.jpgRemove the thermostat housing retaining bolts and . . .\015\0120900c1528009047a.jpg. . . remove the thermostat housing from the engine\015\0120900c1528009047b.jpgSeparate the thermostat from the housing\015\012To install:
  1. Install the thermostat and new O-ring to the housing. \015\012
  2. Install the thermostat housing to the intake manifold. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm). \015\012
  3. Refill the cooling system using a 50/50 mixture of water and ethylene glycol antifreeze. \015\012
  4. Install the air cleaner and beauty panel, if removed. \015\012
  5. Start the engine and check for coolant leaks. Allow the engine to come to normal operating temperature. Recheck for coolant leaks.
Repair Help & Product Troubleshooting for 1992 Cadillac DeVille

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