why does my Ford Explorer Sixth Generation (2020-present) battery keep dying

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

561 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix battery issues in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing repairs on the alternator.

Symptoms

•Check engine light illuminated
•Difficulty starting the engine
•Dim or flickering dashboard lights
•Battery warning light on the dashboard
•Electrical accessories malfunctioning or working intermittently
•Battery drains quickly even after a full charge

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Check the battery voltage with a multimeter; a healthy battery should read around 12.6 volts or higher when fully charged.
3
Inspect battery terminals for corrosion or loose connections.
4
Test the alternator output; it should produce between 13.7 to 14.7 volts while the engine is running.
5
Evaluate parasitic draw by measuring current drain when the vehicle is off; it should be less than 50 milliamps.
6
Check fuses and relays related to the electrical system for any signs of failure.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Wire brush
•Battery terminal cleaner

Parts Required

•New battery (if needed)
•New alternator (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Check the battery voltage with a multimeter; a healthy battery should read around 12.6 volts or higher when fully charged.
3
Inspect battery terminals for corrosion or loose connections.
4
Test the alternator output; it should produce between 13.7 to 14.7 volts while the engine is running.
5
Evaluate parasitic draw by measuring current drain when the vehicle is off; it should be less than 50 milliamps.
6
Check fuses and relays related to the electrical system for any signs of failure.

Solution

1. Preparation

Gather tools: multimeter, OBD-II scanner, socket set, wire brush, battery terminal cleaner.
Ensure safety by wearing gloves and eye protection.

2. Battery Inspection and Cleaning

Disconnect Battery:
1. Use a socket set to disconnect the negative terminal first, followed by the positive terminal.
2. Ensure the vehicle is off and keys are removed from the ignition.
Clean Battery Terminals:
1. Use a wire brush and battery terminal cleaner to remove corrosion from battery terminals.
2. Rinse with water and dry thoroughly before reconnecting.

3. Test and Replace Battery if Necessary

Test Battery:
1. Reconnect the battery terminals (positive first, then negative).
2. Use a multimeter to check the voltage again; if it is below 12.4 volts, consider replacing the battery.
Replace Battery:
1. If replacement is necessary, remove the old battery using a socket set.
2. Install the new battery in the reverse order, ensuring terminals are securely tightened.

4. Alternator Check and Replacement

Test Alternator:
1. With the engine running, use a multimeter to check voltage output at the battery; if under 13.7 volts, the alternator may need replacement.
Replace Alternator:
1. Disconnect the battery.
2. Remove drive belt using a socket set.
3. Unbolt the alternator, disconnect wiring harness, and remove it from the engine bay.
4. Install the new alternator and reconnect all components in reverse order.