Pinpoint Test A: Loss Of Coolant

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

A1 CARRY OUT INSPECTION AND VERIFICATION
- Carry out the Inspection and Verification procedure.
- Were any concerns found?
  - Yes : REPAIR as needed. TEST the system for normal operation.
  - No : GO to A2.
A2 CHECK THE COOLANT LEVEL
NOTE: Allow the engine to cool before checking the coolant level.
- Ignition OFF.
- Visually inspect the coolant level at the degas bottle.
- Is the coolant level within specifications?
  - Yes : GO to A3.
  - No : ADJUST the coolant level as necessary. GO to A3.
A3 PRESSURE TEST THE POWERTRAIN SECONDARY COOLING SYSTEM
- Pressure test the cooling system. Refer to Component Tests, Cooling System Pressure Test .
- Does the cooling system leak externally?
  - Yes : REPAIR or INSTALL new components. TEST the system for normal operation.
  - No : GO to A4.
A4 CHECK THE COOLANT FOR TRANSMISSION FLUID
- Inspect the coolant in the degas bottle for signs of transmission fluid.
- Is transmission fluid evident in the coolant?
  - Yes : INSTALL a new transmission fluid cooler. REFER to TRANSAXLE/TRANSMISSION COOLING . REPAIR the transmission as necessary. REFER to AUTOMATIC TRANSMISSION TORQSHIFT . TEST the system for normal operation.
  - No : GO to A5.
A5 CHECK THE TRANSMISSION FLUID FOR COOLANT
- Remove the transmission fluid level indicator.
- Is coolant evident in the transmission fluid?
  - Yes : INSTALL a new transmission fluid cooler. REPAIR the transmission as necessary. REFER to AUTOMATIC TRANSMISSION TORQSHIFT . TEST the system for normal operation.
  - No : GO to A6.
A6 CHECK THE COOLANT FOR FUEL
- Inspect the coolant in the degas bottle for signs of fuel.
- Is fuel evident In the coolant?
  - Yes : INSTALL a new fuel cooler. REFER to FUEL CHARGING AND CONTROLS - FUEL COOLING SYSTEM . TEST the system for normal operation.
  - No : GO to A7.
A7 CHECK FOR COOLANT IN THE FUEL
- Drain the fuel from the fuel conditioning module and check for coolant in the fuel.
- Is coolant evident in the fuel?
  - Yes : INSTALL a new fuel cooler. REFER to FUEL CHARGING AND CONTROLS - FUEL COOLING SYSTEM . TEST the system for normal operation.
  - No : GO to A8.
A8 CHECK THE CAC FOR AN INTERNAL LEAK
- CARRY OUT the CAC leak test. REFER to INTAKE AIR DISTRIBUTION & FILTERING .
- Does the CAC leak?
  - Yes : INSTALL a new CAC. REFER to INTAKE AIR DISTRIBUTION & FILTERING . TEST the system for normal operation.
  - No : GO to A9.
A9 CHECK THE EGR COOLER FOR AN INTERNAL LEAK
- CARRY OUT the EGR cooler leak test. REFER to ENGINE EMISSION CONTROL .
- Does the EGR cooler leak?
  - Yes : REPAIR the EGR cooler as necessary. REFER to ENGINE EMISSION CONTROL . TEST the system for normal operation.
  - No : The cooling system is operational.