my Ford Explorer Fifth Generation (2011-2019) has an oil leak what could be the cause

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

587 words

Problem Statement

Learn how to diagnose and fix oil leaks in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

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 opening any components related to the oil system.

Symptoms

•Oil spots or puddles under the vehicle
•Low oil level warning light illuminated
•Engine oil odor, especially after driving
•Engine noise due to low oil levels
•Smoke from the engine bay if oil contacts hot components

Diagnostic Steps

1
Inspect the oil level using the dipstick to confirm low oil levels.
2
Clean the engine area to remove old oil residue for better visibility of current leaks.
3
Conduct a visual inspection of the oil filter and oil pan for signs of leakage.
4
Examine the valve cover gasket for oil seepage or wetness.
5
Check for leaks around the oil pressure sending unit.
6
Inspect the oil cooler lines (if applicable) for any signs of damage or leakage.
7
Perform a pressure test on the oil system to identify any leaks.

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

•Oil filter wrench
•Socket set
•Torque wrench
•Clean rags
•Oil catch pan

Parts Required

•New oil filter
•Valve cover gasket (if applicable)
•Oil pressure sending unit (if applicable)
•Oil cooler lines (if applicable)

Related Faults

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Diagnostic Steps

1
Inspect the oil level using the dipstick to confirm low oil levels.
2
Clean the engine area to remove old oil residue for better visibility of current leaks.
3
Conduct a visual inspection of the oil filter and oil pan for signs of leakage.
4
Examine the valve cover gasket for oil seepage or wetness.
5
Check for leaks around the oil pressure sending unit.
6
Inspect the oil cooler lines (if applicable) for any signs of damage or leakage.
7
Perform a pressure test on the oil system to identify any leaks.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is on a level surface and safely supported.
Disconnect the battery to prevent electrical issues during repair.

2. Identify and Replace the Faulty Component

A. Oil Filter Replacement (if leaking)

Locate the oil filter.
Use an oil filter wrench to remove the old oil filter.
Apply a small amount of new oil to the rubber gasket of the new filter.
Install the new oil filter by hand until snug, then tighten as per manufacturer's specifications (typically 3/4 turn after the gasket contacts the mounting surface).

B. Valve Cover Gasket Replacement (if leaking)

Remove any components obstructing access to the valve cover (e.g., air intake duct).
Disconnect electrical connectors and hoses attached to the valve cover.
Unbolt the valve cover using a socket set.
Carefully lift the valve cover off and remove the old gasket.
Clean the mating surfaces thoroughly.
Install a new gasket and reassemble the valve cover, tightening bolts to the specified torque (usually around 10-12 ft-lbs).

C. Oil Pressure Sending Unit Replacement (if leaking)

Locate the oil pressure sending unit.
Disconnect the electrical connector.
Use a socket to unscrew the old unit.
Install the new unit and reconnect the electrical connector.

3. Check Oil Cooler Lines (if applicable)

Inspect the oil cooler lines for leaks.
Replace any damaged lines using appropriate fittings.
Ensure all connections are tight and secure.