Pinpoint Test B : Pinpoint Test
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- B1 CARRY OUT INSPECTION AND VERIFICATION
- Carry out the Inspection and Verification procedure in this article. Refer to Inspection and Verification
Are any concerns present?
Yes REPAIR as needed. No GO to B2 - B2 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) DTCS
- Ignition ON.
- Using a scan tool, perform PCM self-test.
Is DTC P007D or P2185 present?
Yes GO to B3 No Actual engine overheating has not been verified. If any other PCM DTCs are retrieved, REFER to: Electronic Engine Controls . - B3 CHECK FOR NON-OEM ENGINE ENHANCEMENT COMPONENTS
- Ignition ON.
- Check the engine for any non-OEM components.
Are there any non-OEM components on the engine?
Yes ADVISE the customer the engine modifications may be causing the secondary cooling system to overheat. No GO to B4 - B4 CHECK FOR AN AIRFLOW OBSTRUCTION
- Check the radiator or A/C condenser for an obstruction such as leaves or cardboard.
Is an obstruction present?
Yes REMOVE the obstruction. No GO to B5 - B5 CHECK THE ENGINE COOLANT LEVELNOTE: Allow the engine to cool before checking the coolant level.
- Ignition OFF.
- Visually check the system coolant level in the degas bottle.
Is DTC P007D or P2185 present?
Yes GO to B6 No ADJUST the coolant level as necessary. GO to B6 - B6 PRESSURE TEST THE COOLING SYSTEM
- Pressure test the cooling system. Refer to Cooling System Pressure Test .
Does the cooling system leak?
Yes PAIR or INSTALL new components. No GO to B7 - B7 CHECK THE ENGINE COOLANT FOR AN INTERNAL LEAK
- Inspect the engine coolant in the degas bottle for signs of fuel or transmission fluid.
Is fuel evident in the coolant?
Yes If fuel is evident, INSTALL a new fuel cooler. REFER to: Fuel Cooler . No GO to B8 - B8 CHECK THE FUEL FOR COOLANT
- Drain the fuel from the fuel conditioning module. Remove the oil level indicator from transmission.
Is coolant evident in the fuel?
Yes INSTALL a new fuel cooler. REFER to: Fuel Cooler . No GO to B9 - B9 CHECK THE CAC (CHARGE AIR COOLER) FOR AN INTERNAL LEAK
- Carry out the CAC leak test. REFER to: Charge Air Cooler (CAC) Leak Test .
Is engine oil evident in the coolant?
Yes INSTALL a new CAC. REFER to: Charge Air Cooler (CAC) . No GO to B10 - B10 CHECK COOLANT CONDITION
- Carry out the coolant test. REFER to: Coolant Test .
Is the coolant condition OK?
Yes GO to B11 No FLUSH the cooling system. REFER to: Cooling System Flushing - Without Oil or Transmission Fluid Contamination . - B11 CHECK THE COOLANT PUMP OPERATION
- Start the engine.
- Observe the coolant in the degas bottle. The coolant should flow through the bottle. Compare the coolant flow to a known good vehicle.
Does the coolant flow through the degas bottle?
Yes GO to B12 No INSTALL a new coolant pump. REFER to: Coolant Pump . - B12 CHECK THE THERMOSTAT OPERATION
- Start the engine.
- For DTC P007D and P2185 allow the engine to run for 10 minutes. Feel the coolant pump-to-radiator hose at the LH inlet, and the radiator-to- CAC and fuel cooler hose.
Are the hoses approximately the same temperature?
Yes GO to B13 No The system is operational. CHECK the operation of the CACT sensor and the ECT sensor - secondary cooling system ECT 2. Refer to Engine Controls - Introduction (Diesel) . - B13 VISUALLY INSPECT THE THERMOSTAT
- Carry out the Thermostat Visual Inspection in the Component Tests portion of this article. Refer to Thermostat Visual Inspection
Is the thermostat damaged?
Yes INSTALL a new thermostat. REFER to: Thermostat . No INSTALL a new thermostat. REFER to: Thermostat . GO to B14 - B14 CHECK THE COOLING FAN CLUTCH OPERATION
- Ignition OFF.
- Check the cooling fan clutch operation. Refer to Engine Controls - Introduction (Diesel) .
Is the cooling fan clutch operation OK?
Yes INSTALL a new radiator. REFER to: Radiator . No INSTALL a new fan clutch. REFER to: Cooling Fan .