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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 2304 (Engine Control System - DTCS P0506 To P1220) >> DTC P1217: Engine Over Temperature >> Main 12 Causes of Overheating
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Main 12 Causes of Overheating

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
SERVICE DATA AND SPECIFICATIONS

Engine Step Inspection item Equipment Standard Reference page
OFF 1
  • Blocked radiator
  • Blocked condenser
  • Blocked radiator grille
  • Blocked bumper
  • Visual
 No blocking -
2
  • Coolant mixture
  • Coolant tester
 50 - 50% coolant mixture MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS"
3
  • Coolant level
  • Visual
 Coolant up to MAX level in reservoir tank and radiator filler neck CO-10, "Changing Engine Coolant"
4
  • Radiator cap
  • Pressure tester
 59 - 98 kPa (0.6 - 1.0 kg/cm2 , 9 - 14 psi) (Limit) CO-10, "CHECKING RESERVOIR CAP"
ON (2) 5
  • Coolant leaks
  • Visual
 No leaks CO-10, "CHECKING COOLING SYSTEM FOR LEAKS"
ON (2) 6
  • Thermostat
  • Touch the upper and lower radiator hoses
 Both hoses should be hot CO-19, "THERMOSTAT AND WATER PIPING"
ON (1) 7
  • Cooling fan
  • CONSULT-II
 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 CO-10, "Changing Engine Coolant"
OFF (4) 10
  • Coolant return from reservoir tank to radiator
  • Visual
 Should be initial level in reservoir tank CO-10, "Changing Engine Coolant"
OFF 11
  • Cylinder head
  • Straight gauge feeler gauge
 0.1 mm (0.004 in) Maximum distortion (warping) EM-66, "Inspection After Disassembly"
12
  • Cylinder block and pistons
  • Visual
 No scuffing on cylinder walls or piston "Inspection After Disassembly"
(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 ".

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