how to troubleshoot low fluid warning on Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

548 words

Problem Statement

Learn how to troubleshoot and fix the low fluid warning on Ford Explorer (2020-present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Cooling System

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on the electrical systems.
•Allow the engine to cool before opening the radiator or working with any fluids.

Symptoms

•Low fluid warning light illuminated on the dashboard
•Engine overheating
•Poor braking performance (if brake fluid is low)
•Transmission slipping or harsh shifting (if transmission fluid is low)
•Reduced power steering assistance (if power steering fluid is low)

Diagnostic Steps

1
Check the vehicle’s owner manual for specific fluid level indicators.
2
Use an OBD-II scanner to check for any related error codes that might indicate specific fluid issues.
3
Visually inspect each fluid reservoir (engine oil, coolant, brake fluid, transmission fluid, power steering fluid) for proper levels.
4
Check for any visible leaks under the vehicle or around the engine compartment.
5
Perform a pressure test (if applicable) on the cooling system to check for leaks.
6
Monitor fluid condition (color, viscosity) for any signs of contamination.

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
•Fluid pressure tester (if applicable)
•Funnel for fluid filling
•Wrench set (for hose connections if needed)

Parts Required

•Engine oil
•Coolant
•Brake fluid (DOT 3 or DOT 4)
•Transmission fluid (Mercon LV)
•Power steering fluid

Related Faults

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Diagnostic Steps

1
Check the vehicle’s owner manual for specific fluid level indicators.
2
Use an OBD-II scanner to check for any related error codes that might indicate specific fluid issues.
3
Visually inspect each fluid reservoir (engine oil, coolant, brake fluid, transmission fluid, power steering fluid) for proper levels.
4
Check for any visible leaks under the vehicle or around the engine compartment.
5
Perform a pressure test (if applicable) on the cooling system to check for leaks.
6
Monitor fluid condition (color, viscosity) for any signs of contamination.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface, and the engine is cool.
Disconnect the battery for safety if working on fluid systems.

2. Fluid Level Inspection

Engine Oil:
- Remove the dipstick, wipe it clean, reinsert, and check the oil level.
- Add oil if low, using the recommended oil type (refer to owner’s manual).
Coolant:
- Check the coolant reservoir for proper level.
- If low, add a 50/50 mixture of coolant and distilled water.
Brake Fluid:
- Inspect the brake fluid reservoir; if low, add DOT 3 or DOT 4 brake fluid as required.
Transmission Fluid:
- Check the transmission dipstick; if low, add the specified transmission fluid (typically Mercon LV, check manual).
Power Steering Fluid:
- Inspect the power steering fluid reservoir; add the appropriate power steering fluid if necessary.

3. Leak Repair

If any reservoir is low due to a leak:
- Identify the source of the leak (hoses, seals, gaskets).
- Replace any damaged hoses or seals and recheck fluid levels.

4. System Flush (if needed)

If any fluid appears contaminated (e.g., dark, gritty):
- Perform a complete flush of the affected system (e.g., transmission, coolant).
- Replace with new, manufacturer-recommended fluid types.