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Home >> Porsche >> 2017 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 597 (Supercharger Cooling - V8 S/C 5.0L Petrol -- Range Rover/L405) >> Supercharger Cooling - V8 S/C 5.0L Petrol >> Supercharger Cooling (Diagnosis And Testing) >> Diagnosis And Testing >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM POSSIBLE CAUSES ACTION
Coolant loss
  • Hoses
  • Hose connections
  • Radiator
  • Water pump
  • Heater core
  • Gaskets
  • Engine casting cracks
  • Engine block core plugs
Carry out a visual inspection. If there are no obvious leaks, carry out a cooling system pressure test. Rectify any leaks as necessary.
Overheating
  • Low/Contaminated coolant
  • Thermostat
  • Viscous fan
  • ECT sensor
  • Restricted air flow over the radiator
Check the coolant level and condition. Carry out a cooling system pressure test. Rectify any leaks as necessary. Check the thermostat and rectify as necessary. Check the viscous fan operation, make sure the viscous fan rotates freely. Check for obstructions to the air flow over the radiator. Rectify as necessary.
Engine not reaching normal temperature
  • Thermostat
  • Viscous fan
  • Thermostat
  • Electric fan
  • Fan speed module
Check the thermostat operation. Check the viscous fan operation, make sure the viscous fan is not seized. Rectify as necessary.