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Engine Cooling System: Removal & Installation Nissan Titan I рестайлинг

Cooling System (Mechanical) 6 illustrations ~540 words

Removal and Installation

WARNINGNever remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the radiator.

REMOVAL

CAUTIONPerform when the engine is cold.

Scheme 6

Scheme 6
Scheme 6

Scheme 7

Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9
  1. Drain engine coolant from the radiator. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ".
  2. Remove engine room cover, if equipped. Refer to " «REMOVAL AND INSTALLATION»(ref-396294-S24660451982011050400000) ".
  3. Remove air cleaner and air duct assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396294-S10579047192011050400000) ".
  4. Disconnect A/T fluid cooler hoses. Install blind plug to avoid leakage of A/T fluid.
  5. Disconnect radiator lower hose from the radiator. CAUTION: Do not allow coolant to contact drive belt.
  6. Remove the lower radiator shroud. Release the tabs, pull lower radiator shroud rearwards and down to remove.
  7. Disconnect the radiator upper hose and the coolant reservoir hose from the radiator. CAUTION: Do not allow coolant to contact drive belt.
  8. Remove the radiator shroud upper bolts and remove the radiator shroud upper (A).
  9. Remove the upper radiator mounting bolts and rubbers.
  10. Remove the A/C condenser bolts and brackets. NOTE: Lift A/C condenser up and forward to remove from radiator.
  11. Remove A/T oil cooler bolts and oil cooler from radiator and position aside.
  12. Lift up and remove the radiator.
CAUTIONDo not damage or scratch air conditioner condenser, A/T oil cooler or radiator core when removing.

Scheme 10

Scheme 10
Scheme 10

INSTALLATION

Installation is in the reverse order of removal.

  1. Partially drain engine coolant from the radiator. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ".
  2. Remove the lower and upper radiator shrouds. Refer to " «REMOVAL AND INSTALLATION»(ref-396293-S03400390912011050400000) ".
  3. Remove the drive belt. Refer to " «REMOVAL AND INSTALLATION»(ref-396294-S18026768292011050400000) ".
  4. Remove the cooling fan.
  5. Remove the fan bracket, if necessary.

Installation is in the reverse order of removal.

  1. Install cooling fan with its front mark "F" facing front of engine.
CAUTIONWhen removing water pump, be careful not to get engine coolant on drive belt. Water pump cannot be disassembled and should be replaced as a unit.
  1. Drain engine coolant from the radiator. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ". CAUTION: Perform when the engine is cold.
  2. Remove the engine cooling fan (crankshaft driven type). Refer to " «REMOVAL AND INSTALLATION (CRANKSHAFT DRIVEN TYPE)»(ref-396293-S31970198812011050400000) ".
  3. Remove the water pump pulley.
  4. Remove the water pump.
  1. Engine coolant will leak from the cylinder block, so have a receptacle ready below.
CAUTIONHandle water pump vane so that it does not contact any other parts.

Installation is in the reverse order of removal.

  1. After installation bleed the air from the cooling system. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ".

Removal of Thermostat

  1. Partially drain engine coolant from the radiator. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ". CAUTION: Perform when engine is cold.
  2. Disconnect the water suction hose from the water inlet.
  3. Remove the water inlet and thermostat.

Removal of Thermostat Housing, Water Outlet and Heater Pipe

  1. Remove the intake manifold. Refer to " «REMOVAL AND INSTALLATION»(ref-396294-S11964505632011050400000) ".
  2. Remove the thermostat housing, water outlet and heater pipe.

Removal of Water Cut Valve

  1. Partially drain engine coolant from the radiator. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ". CAUTION: Perform when the engine is cold.
  2. Disconnect the water cut valve connector.
  3. Disconnect the water hoses from the water cut valve.
  4. Remove the water cut valve.

Installation is in the reverse order of removal.

Installation of Thermostat

  1. Install the thermostat with the whole circumference of each flange part fit securely inside the rubber ring as shown in figure.
  2. Install the thermostat with the jiggle valve facing upwards.

Scheme 11

Scheme 11
Scheme 11

Installation of Water Outlet Pipe and Heater Pipe

First apply a neutral detergent to the O-rings, then quickly insert the insertion parts of the water outlet pipe and heater pipe into the installation holes.

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