Contents Wiring diagrams Section: Cooling System (Mechanical) All sections

Engine Cooling System: Removal & Installation Infiniti FX35 I

Installation

Install in the reverse order of removal.

Removal

  1. Remove air duct (inlet), power duct and air cleaner case assembly. Refer to «AIR CLEANER AND AIR DUCT»(ref-158850-S12244247462005020300000) .
  2. Disconnect fan motor connectors.
  3. Remove radiator cooling fan assembly.
CAUTIONBe careful not to damage or scratch on radiator core.

Note to the following, and install in the reverse order of removal.

  1. Cooling fan is controlled by ECM. For details, refer to DTC P1217 ENGINE OVER TEMPERATURE .

Note to the following, and install in the reverse order of removal.

  1. Be careful not to spill engine coolant over engine room. Use rag to absorb engine coolant.
  2. Install water drain plug (front) of cylinder block. Apply liquid gasket to the thread of water drain plug (front). Use Genuine RTV Silicone Sealant or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
  1. Remove front engine undercover with power tool.
  2. Drain engine coolant from drain plug and water drain plugs on radiator and both sides of cylinder block. Refer to «CHANGING ENGINE COOLANT»(ref-172368-S19622047562005022400000) . NOTE: Perform when engine is cold.
  3. Remove engine cover with power tool. Refer to «REMOVAL»(ref-158850-S26464812862005020300000) .
  4. Remove air duct and air cleaner case assembly. Refer to «AIR CLEANER AND AIR DUCT»(ref-158850-S12244247462005020300000) ".
  5. Disconnect radiator upper hose, heater hose and water hose.
  6. Remove water outlet and water piping.

Note to the following, and install in the reverse order of removal.

  1. Securely insert each hose, and install a clamp at a position where it does not interfere with the pipe bulge.
  2. When inserting a water pipe into water outlet, apply neutral detergent to O-ring.