why does my Ford F-150 12th Generation (2009-2014) have a coolant leak

Solution

1. Preparation

• Gather necessary tools and parts before starting the repair.
• Ensure the engine is cool and disconnect the battery to avoid electrical issues.

2. Identify and Replace Leaking Hose

• Sub-steps:
  1. Locate the hose that is leaking based on the diagnostic steps.
  2. Use pliers to loosen and remove the clamps securing the hose.
  3. Remove the damaged hose and clean the connection points.
  4. Install the new hose and secure it with clamps, ensuring they are tight.
• Tools Required: Hose clamp pliers, screwdriver.

3. Replace Water Pump (if applicable)

• Sub-steps:
  1. Drain the coolant from the radiator into a clean container.
  2. Remove the serpentine belt following the belt routing diagram.
  3. Unbolt and remove the water pump from the engine block.
  4. Clean the mounting surface thoroughly.
  5. Install the new water pump with a new gasket, torquing bolts to manufacturer specifications (typically around 18-25 ft-lbs).
• Tools Required: Socket set, torque wrench.

4. Replace Thermostat and Housing (if applicable)

• Sub-steps:
  1. Drain additional coolant if necessary.
  2. Remove the thermostat housing by unbolting it from the engine.
  3. Take out the old thermostat and replace it with a new one.
  4. Clean the mating surfaces and install the new gasket.
  5. Reattach the thermostat housing and torque to manufacturer specifications.
• Tools Required: Gasket scraper, socket set.