# 2017 Ford Explorer Water Pump Leaking: Diagnose & Fix

> ClearTheCode — Is your 2017 Ford Explorer water pump leaking? Learn common symptoms, how to diagnose, and repair options to prevent overheating and costly engine damage.

Source: https://clearthecode.com/articles/water-pump-failure-ford-explorer-2017
Author: ClearTheCode

# 2017 Ford Explorer Water Pump Leaking

Experiencing a coolant leak or noticing your temperature gauge creeping up in your 2017 Ford Explorer? A common culprit for these issues is a failing water pump. Unlike many vehicles where the water pump is externally mounted, the 3.5L V6 engine in your Explorer features an internally mounted water pump, making its diagnosis and repair significantly more complex and costly. Addressing a 2017 Ford Explorer water pump leaking issue promptly is crucial to prevent severe engine damage from overheating.

## What drivers notice on this 2017 Ford Explorer

Drivers of the 2017 Ford Explorer often first notice a sweet smell of coolant, especially after driving, or discover puddles of green, orange, or pink fluid under the front of the vehicle. The engine's temperature gauge may start to rise above its normal operating range, or the low coolant warning light might illuminate on the dashboard. In more severe cases, steam may be visible from under the hood, indicating significant overheating.

## At a glance: difficulty, repair cost, and diagnostic workflow

- **Difficulty Rating:** 6/10 — Moderate
- **Common Symptoms:** Visible Coolant Leaks: Puddles of coolant (green, orange, or pink) under the front of your vehicle, particularly after i; Sweet Coolant Smell: A distinct sweet odor, often noticeable from inside the cabin or around the engine bay.; Engine Overheating: The temperature gauge on your dashboard rises above normal, or the engine overheats completely, some; Low Coolant Warning Light: Your dashboard may illuminate a warning indicating low coolant levels.
- **Estimated Repair Cost:** $100–$900 (parts + typical shop labor)
- **OEM Tooling Required:** Standard OBD-II scanner and hand tools

**Diagnostic workflow:**
1. Confirm the symptom on your vehicle.
2. Scan for stored or pending codes with an OBD-II tool.
3. Inspect the most common causes in this guide (visual checks first).
4. Run verification tests before replacing parts.
5. Repair, clear codes, and verify on a test drive.

## Symptoms and warning signs

Recognizing the early signs of a failing water pump can save your 2017 Ford Explorer from extensive engine damage. Look out for:

- **Visible Coolant Leaks:** Puddles of coolant (green, orange, or pink) under the front of your vehicle, particularly after it has been parked.
- **Sweet Coolant Smell:** A distinct sweet odor, often noticeable from inside the cabin or around the engine bay.
- **Engine Overheating:** The temperature gauge on your dashboard rises above normal, or the engine overheats completely, sometimes indicated by a warning light.
- **Low Coolant Warning Light:** Your dashboard may illuminate a warning indicating low coolant levels.
- **Steam from Under the Hood:** A clear sign of severe overheating and coolant loss.
- **Unusual Engine Noises:** A whining, grinding, or squealing noise coming from the front of the engine, which can indicate a failing water pump bearing.

## How to verify and confirm the issue

Confirming a water pump leak on a 2017 Ford Explorer, especially with its internal design, requires careful inspection:

- **Visual Inspection:** With the engine cool, carefully inspect the front of the engine, particularly around the timing cover area, for any signs of dried coolant residue or active leaks. Check under the vehicle for drips. For the 3.5L V6, internal leaks can be harder to spot externally until they become significant.
- **Coolant Level Check:** Open the hood (when the engine is cool!) and check the coolant reservoir. If the level is consistently low, even after topping off, it's a strong indicator of a leak.
- **Coolant Pressure Test:** A professional can use a coolant pressure tester to pressurize the cooling system. This can often reveal leaks that are not obvious when the system is at ambient pressure. For internal water pumps, coolant may leak into the engine oil, which can be checked by examining the oil for a milky appearance.
- **Listen for Noises:** Start the engine and listen for any abnormal whining, grinding, or squealing sounds that increase with engine RPM, which could point to a failing water pump bearing.

## Common causes (most likely first)

The premature failure of the water pump in the 2017 Ford Explorer is often attributed to a few key factors:

- **Bearing Failure:** The internal bearings within the water pump can wear out over time, leading to excessive play, noise, and eventually seal failure.
- **Seal Degradation:** The seals designed to prevent coolant from leaking can harden, crack, or wear out, allowing coolant to escape. This is particularly critical for internal pumps where a seal failure can lead to coolant mixing with engine oil.
- **Manufacturing Defects:** In some cases, the water pump may have a manufacturing defect that leads to premature failure, regardless of mileage or maintenance.
- **Coolant Contamination/Incorrect Coolant:** Using the wrong type of coolant or contaminated coolant can accelerate corrosion and wear on the water pump's internal components and seals.

### Related guides on this vehicle

- [2017 Ford Explorer Internal Water Pump Leak: Symptoms & Fixes](/articles/internal-water-pump-failure-ford-explorer-2017)
- [2017 Ford Explorer Water Pump Leak Symptoms: Diagnosis & Fixes](/articles/water-pump-failure-leak-ford-explorer-2017)
- [2019 Ford Expedition Sunroof Leak or Water in Headliner Fix](/articles/sunroof-leak-water-in-headliner-ford-expedition-2019)

## Step-by-step diagnosis and fixes

Diagnosing and fixing a water pump issue on a 2017 Ford Explorer with the 3.5L V6 engine is a complex task, best left to experienced mechanics for the actual repair.

1.  **Safety First:** Ensure the engine is completely cool before performing any inspections or repairs to avoid burns from hot coolant or engine components.
2.  **Visual Inspection:** As described above, check for external leaks and coolant levels. Look for any signs of coolant in the engine oil (milky appearance on the dipstick or under the oil fill cap).
3.  **Pressure Test:** A coolant system pressure test is the most effective way to confirm a leak. If no external leak is found but pressure drops, an internal leak (like into the oil) is highly suspected.
4.  **Identify Leak Source:** Pinpointing the exact source of the leak, especially if it's internal, will confirm the water pump's failure.
5.  **Repair Strategy:** For the 3.5L V6, replacing the internal water pump requires significant disassembly, including removing the timing cover and potentially the timing chain. This is a labor-intensive job. For a broader overview of repair guides, you can visit our All repair guides section.
6.  **Component Replacement:** When replacing the water pump, it's often recommended to also replace the timing chain, tensioners, and guides, as these components are accessed during the repair and are critical for engine operation.

## Repair options and cost factors

Given the complexity of replacing an internal water pump on a 2017 Ford Explorer, repair options and costs vary significantly:

-   **DIY Repair:** While possible for advanced DIYers, this job is extremely challenging due to the internal location of the water pump, requiring specialized tools and a deep understanding of engine timing. The risk of incorrect assembly leading to catastrophic engine damage is high.
-   **Professional Repair:** This is the recommended option for most owners. Labor costs will be substantial, often accounting for the majority of the total repair bill, as the job can take 8-12 hours or more. Parts costs for the water pump itself range from $100-$300 for aftermarket options to $300-$600+ for OEM parts.
-   **Cost Factors:**
    -   **Labor Rates:** Vary by region and shop.
    -   **Parts Quality:** OEM parts generally cost more but offer better reliability.
    -   **Additional Components:** If the timing chain, tensioners, or other gaskets are replaced concurrently (highly recommended), the total cost will increase.
    -   **Engine Damage:** If the vehicle overheated severely before repair, additional costs for head gasket replacement or even engine rebuild may be necessary.

## When to see a professional

Due to the internal mounting of the water pump on the 2017 Ford Explorer's 3.5L V6 engine, this is a job that most owners should entrust to a qualified professional mechanic. The repair involves removing the timing cover and potentially the timing chain, which requires precise timing knowledge and specialized tools. Incorrect reassembly can lead to severe engine damage. If you're unsure about any step of the diagnosis or repair, or if you lack the specific tools and experience, seeking professional help is the safest and most reliable course of action. For more information on Ford vehicles, check out our [Ford vehicle hub](/vehicles/ford) or specifically the [Explorer model hub](/vehicles/ford/explorer).

## Frequently asked questions

### How long does a water pump last on a 2017 Ford Explorer?

The lifespan of a water pump can vary greatly, but for the 2017 Ford Explorer's 3.5L V6, premature failures have been reported. While some may last well over 100,000 miles, others might fail much earlier, sometimes even before 60,000-80,000 miles, due to design or manufacturing issues.

### Can I drive my 2017 Ford Explorer if the water pump is leaking?

Driving with a leaking water pump is highly discouraged. Even a small leak can quickly lead to significant coolant loss and engine overheating, which can cause severe and irreversible damage to critical engine components like cylinder heads, head gaskets, and pistons. It's best to address the issue immediately.

### What are the signs of a failing water pump on a 2017 Ford Explorer?

Key signs include visible coolant leaks under the vehicle, a sweet smell of coolant, consistent low coolant levels, the engine temperature gauge rising above normal, steam from under the hood, or a whining/grinding noise from the front of the engine when it's running. Any of these symptoms warrant immediate inspection.

## Sources and further reading

-   All repair guides
-   [Ford vehicle hub](/vehicles/ford)
-   [Explorer model hub](/vehicles/ford/explorer)

This information is not a substitute for OEM service procedures; always use a qualified technician for safety-critical work.

## Explore related guides on ClearTheCode

- [Vehicle make hub](/vehicles/ford)
- [Model repair hub](/vehicles/ford/explorer)
- [Browse OBD-II codes](/codes)
- All repair guides