my Ford Explorer won't start and makes a clicking noise, what should I check

Solution

1. Preparation

• Gather tools: multimeter, socket set, battery terminal cleaner, jumper cables.
• Ensure the vehicle is in park or neutral and the parking brake is engaged.

2. Battery Inspection and Replacement

• Step 1: Disconnect the negative terminal of the battery.
• Step 2: Clean any corrosion from the battery terminals using a battery terminal cleaner.
• Step 3: Reconnect the negative terminal securely.
• Step 4: If the battery is faulty (below 12.4 volts), remove it using a socket set and replace with a new battery.
  • Tools Required: Socket set, battery terminal cleaner.
  • Safety Warning: Always disconnect the negative terminal first to avoid short circuits.

3. Starter Motor Testing and Replacement

• Step 1: If the battery is good, locate the starter motor (generally located near the transmission).
• Step 2: Disconnect the electrical connector and the battery cable from the starter motor.
• Step 3: Test the starter motor by applying 12 volts directly from the battery to the starter terminal.
• Step 4: If the starter does not engage, replace the starter motor.
  • Tools Required: Socket set, multimeter.
  • Torque Specification: Ensure all bolts are tightened to manufacturer specifications.