why does my Ford Explorer Fifth Generation (2011-2019) battery keep dying

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

612 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 (2011-2019). 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 negative battery terminal before working on electrical systems
•Allow the engine to cool before working on components that may be hot

Symptoms

•Check engine light illuminated
•Difficulty starting the engine
•Dim or flickering dashboard lights
•Battery warning light on the dashboard
•Electrical components functioning intermittently
•Battery unable to hold a charge

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect battery condition for corrosion and tight connections
3
Check voltage of the battery with a multimeter
4
Test alternator output by measuring voltage at battery terminals
5
Inspect for parasitic drain using a multimeter
6
Check fuse box for short circuits or malfunctioning components

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

Parts Required

•New battery
•New alternator
•Fuses

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect battery condition for corrosion and tight connections
3
Check voltage of the battery with a multimeter
4
Test alternator output by measuring voltage at battery terminals
5
Inspect for parasitic drain using a multimeter
6
Check fuse box for short circuits or malfunctioning components

Solution

1. Preparation

Gather tools and ensure safety by disconnecting the negative battery terminal.
Tools Required: Multimeter, socket set, OBD-II scanner, wire brush (for cleaning terminals).

2. Clean Battery Terminals

Disconnect both battery terminals (negative first, then positive).
Use a wire brush to clean corrosion from the terminals and battery posts.
Reconnect terminals securely, ensuring a tight fit.

3. Replace Battery (if necessary)

If the battery voltage is consistently low or the battery is old (typically over 3-5 years), consider replacing it.
Remove the old battery by unbolting the hold-down bracket and lifting it out.
Install a new battery, ensuring it is the correct type for your vehicle.
Torque the hold-down bracket to the manufacturer's specifications (usually around 10-15 ft-lbs).

4. Repair or Replace Alternator (if necessary)

If the alternator output is low, verify the wiring and connections.
If faulty, remove the alternator by disconnecting the battery, removing the serpentine belt, and unbolting the alternator.
Install a new or rebuilt alternator, ensuring proper alignment and tension of the belt.

5. Address Parasitic Drain

Identify the component causing the excessive draw by systematically removing fuses one at a time while monitoring the multimeter.
Repair or replace any faulty components, such as the BCM (Body Control Module) or aftermarket accessories.