FixVault
Home › Nissan-Datsun › 2009 › 350Z Automatic › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P0643 To P2A03 › DTC P1217 Engine Over Temperature › Main 12 Causes of Overheating

Main 12 Causes of Overheating

ENGINE STANDARD REFERENCE

Engine Step Inspection item Equipment Standard Reference
OFF 1
  • Blocked radiator
  • Blocked condenser
  • Blocked radiator grille
  • Blocked bumper
  • Visual
 No blocking -
2
  • Coolant mixture
  • Coolant tester
 50 - 50% coolant mixture  
3
  • Coolant level
  • Visual
 Coolant up to MAX level in reservoir tank and radiator filler neck  
4
  • Radiator cap
  • Pressure tester
 88 - 127 kPa (0.90 - 1.30 kg/cm2 , 12.8 - 18.4 psi) (Limit)  
ON(2) 5
  • Coolant leaks
  • Visual
 No leaks  
ON(2) 6
  • Thermostat
  • Touch the upper and lower radiator hoses
 Both hoses should be hot  
ON(1) 7
  • Cooling fan
  • CONSULT-III
 Operating See trouble diagnosis for DTC P1217 ( DTC P1217 ENGINE OVER TEMPERATURE ).
OFF 8
  • Combustion gas leak
  • Color checker chemical tester 4 Gas analyzer
 Negative -
ON(3) 9
  • Coolant temperature gauge
  • Visual
 Gauge less than 3/4 when driving -
  • Coolant overflow to reservoir tank
  • Visual
 No overflow during driving and idling  
OFF(4) 10
  • Coolant return from reservoir tank to radiator
  • Visual
 Should be initial level in reservoir tank  
OFF 11
  • Cylinder head
  • Straight gauge feeler gauge
 0.1 mm (0.004 in) Maximum distortion (warping)  
12
  • Cylinder block and pistons
  • Visual
 No scuffing on cylinder walls or piston  
(1) Turn the ignition switch ON.
(2) Engine running at 3, 000 RPM for 10 minutes.
(3) Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
(4) After 60 minutes of cool down time.

For more information, refer to OVERHEATING CAUSE ANALYSIS .

About FixVault