2016 Ford Explorer Timing Chain Replacement – Essential Guide

ByRobert Lozano

Replacing the timing chain on your 2016 Ford Explorer is a significant undertaking that demands precision and proper tools. This comprehensive guide walks you through recognizing symptoms, assessing the DIY feasibility, and understanding the intricate steps involved. Tackle this critical repair with confidence, ensuring your Explorer runs reliably for years to come.

For many 2016 Ford Explorer owners, the thought of engine trouble can be daunting, especially when it involves major components like the timing chain. This complex system is vital for your engine’s operation, synchronizing crankshaft and camshaft rotation to ensure valves open and close at precisely the right time.

If you’re noticing unusual noises or performance issues, you might be facing the challenging prospect of a timing chain replacement. This article is your go-to resource, promising to demystify the process and equip you with the knowledge needed to make informed decisions.

We’ll guide you through identifying symptoms, gathering the right tools, and understanding the detailed steps for a 2016 Ford Explorer timing chain replacement, helping you determine if it’s a job for your garage or a professional.

Understanding Your Explorer’s Timing Chain System

The 2016 Ford Explorer, particularly models equipped with the 3.5L V6 Ti-VCT or the 3.5L EcoBoost engine, relies on a robust timing chain system. Unlike older vehicles with timing belts, chains are designed for longer life, often lasting the lifetime of the vehicle.

However, “lifetime” doesn’t mean indefinite. Factors like irregular oil changes, engine sludge, and manufacturing defects can accelerate wear. The timing chain connects the crankshaft to the camshafts, ensuring perfect synchronization for optimal engine performance.

This synchronization is crucial for valve timing. If the chain stretches or components fail, it throws off this delicate balance, leading to serious engine problems. Understanding its function is the first step toward appreciating the complexity of its service.

Key Components of the Timing Chain System

Your Explorer’s timing chain system isn’t just a chain. It includes several critical components working in harmony. These parts are all subject to wear and tear over time.

  • Timing Chains: Often multiple chains, especially on V6 engines, connecting different camshafts.
  • Timing Chain Tensioners: These apply hydraulic or spring pressure to keep the chains taut, preventing slack and slippage.
  • Timing Chain Guides: Plastic or metal rails that the chain slides against, guiding its path and reducing noise.
  • Camshaft Phasers (VVT Actuators): Crucial for Variable Valve Timing (VVT) systems, these components adjust camshaft position to optimize engine performance across different RPMs.
  • Sprockets: Gears on the crankshaft and camshafts that the chain rides on.

Any failure within these components can necessitate a full 2016 Ford Explorer timing chain replacement. It’s often recommended to replace all these associated parts when tackling the job.

Recognizing the Symptoms of a Failing Timing Chain on Your 2016 Ford Explorer

Catching timing chain issues early can prevent catastrophic engine damage. Pay close attention to your vehicle’s behavior and sounds. Ignoring these warnings can turn a costly repair into an engine replacement.

Imagine you’re on a remote trail or a long road trip, far from a service station. A failing timing chain can leave you stranded. Being aware of the signs is paramount for reliability and safety.

Here are the most common indicators that your Explorer’s timing chain might be failing:

Audible Warnings: Engine Rattles and Ticks

One of the most common and unmistakable signs is a distinct rattling noise from the engine. This often sounds like marbles rattling in a can or a loose chain. The sound is typically more pronounced upon cold starts and may quiet down slightly as the engine warms up, though it might persist.

This rattle usually indicates a stretched chain or a failing tensioner that isn’t keeping the chain tight. Without proper tension, the chain slaps against the timing cover or guides, creating the noise and causing excessive wear.

A ticking noise, similar to a noisy lifter, can also be a symptom, especially if it’s coming from the front of the engine where the timing cover is located.

Performance Degradation and Check Engine Light

A stretched or failing timing chain can throw off engine timing, leading to noticeable performance issues. You might experience a loss of power, rough idling, or misfires. The engine’s computer will detect these timing discrepancies.

Consequently, your Check Engine Light (CEL) will illuminate. Diagnostic Trouble Codes (DTCs) such as P0016 (Crankshaft Position – Camshaft Position Correlation Bank 1 Sensor A) or P0017 (Crankshaft Position – Camshaft Position Correlation Bank 1 Sensor B) are common indicators of timing chain issues.

Don’t ignore the CEL. It’s your vehicle’s way of telling you something is seriously wrong. A diagnostic scan is crucial to confirm the underlying problem.

Metal Shavings in Engine Oil

This is a more severe symptom, indicating significant wear. If the timing chain, guides, or tensioners are excessively worn, they can shed microscopic metal particles into your engine oil. During an oil change, you might notice metallic glitter in the drained oil or on the magnetic drain plug.

Finding metal shavings is a clear sign that components are grinding against each other. This kind of wear not only signals a timing chain problem but also indicates potential damage to other engine internals if left unaddressed.

Is a 2016 Ford Explorer Timing Chain Replacement a DIY Job?

The decision to tackle a 2016 Ford Explorer timing chain replacement yourself depends heavily on your mechanical skill, experience, and available tools. This is not a beginner-level repair.

It requires extensive engine disassembly, precise timing procedures, and specialized tools. For the average weekend DIYer, this job can be incredibly challenging and carries a high risk of irreversible engine damage if done incorrectly.

However, for experienced mechanics or dedicated enthusiasts with the right equipment and patience, it is certainly feasible. Weigh the pros and cons carefully before diving in.

Assessing Your Skill Level and Resources

Consider your experience with major engine work. Have you replaced water pumps, cylinder heads, or performed similar deep engine repairs before? This job involves removing numerous components, including the front accessory drive, engine mounts, valve covers, and the timing cover itself.

You’ll need a clean, well-lit workspace and the ability to keep track of many parts. If you’re unsure about any step, it’s a strong indicator that professional help might be necessary. Attempting this without confidence could lead to misaligned timing, resulting in bent valves or piston damage.

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Remember, safety first. Always use proper jack stands and ensure the vehicle is stable before working underneath.

When to Call a Professional Mechanic

There are clear instances when calling a professional is the smartest and safest option. If you lack the specialized tools, don’t have a comprehensive service manual, or feel overwhelmed by the complexity, a trusted mechanic is your best bet.

A professional shop has the experience, diagnostic equipment, and lifting tools to perform this job efficiently and correctly. While the cost is higher, it provides peace of mind and often comes with a warranty on parts and labor.

If you’re already experiencing significant engine symptoms, like extreme rattling or multiple misfire codes, it’s wise to consult a professional immediately to assess the extent of the damage.

Essential Tools and Parts for Your Timing Chain Project

Before you even think about turning a wrench, ensure you have all the necessary tools and replacement parts. Being prepared prevents frustrating delays and ensures the job is done right.

A proper 2016 Ford Explorer timing chain replacement demands more than just basic hand tools. Some items are specific to this engine and crucial for correct timing.

Required Tools and Equipment

Gathering these items beforehand will streamline your repair process:

  • Complete Socket and Wrench Set: Including metric sizes, various extensions, and universal joints.
  • Torque Wrench: Essential for tightening bolts to factory specifications.
  • Engine Hoist or Support Bar: Needed to support the engine while removing the engine mount.
  • Floor Jack and Jack Stands: For safely lifting and supporting the vehicle.
  • Fluid Drain Pans: For coolant and engine oil.
  • Specialized Timing Tools: Crucial for locking the crankshaft and camshafts at Top Dead Center (TDC) during disassembly and reassembly. These are often specific to Ford’s 3.5L V6 engines.
  • Harmonic Balancer Puller: To remove the crankshaft pulley.
  • Impact Wrench (Optional but Recommended): For stubborn bolts like the crankshaft bolt.
  • Scrapers and Cleaning Supplies: For removing old gasket material.
  • Gasket Scraper and Wire Brush: To clean mating surfaces thoroughly.
  • Shop Rags and Gloves: For cleanliness and protection.
  • Service Manual: Absolutely critical for torque specifications and detailed procedures.

Replacement Parts Checklist

When replacing the timing chain, it’s always best practice to replace all associated components as a kit. This ensures longevity and prevents needing to reopen the engine soon after.

  • Timing Chain Kit: This usually includes the main timing chains, tensioners, and guides. Ensure it’s specific to your 2016 Ford Explorer’s 3.5L engine.
  • Camshaft Phasers (VVT Actuators): It’s highly recommended to replace these, especially if your engine has high mileage or has shown VVT-related fault codes.
  • Front Timing Cover Gasket Set: Includes the main timing cover gasket, water pump gasket, and any associated seals.
  • Valve Cover Gaskets: You’ll need to remove valve covers to access camshafts.
  • Crankshaft Front Seal: A new seal is essential after removing the harmonic balancer.
  • New Engine Oil and Filter: You’ll drain the oil during the process.
  • New Engine Coolant: The cooling system will be drained.
  • RTV Silicone Sealant: For specific areas of the timing cover.

Opt for OEM (Original Equipment Manufacturer) quality parts or reputable aftermarket brands for critical components to ensure durability and proper fitment.

The Step-by-Step Process for a 2016 Ford Explorer Timing Chain Replacement

This is a high-level overview of the process. Always refer to your specific service manual for detailed instructions and torque specifications. Precision is paramount here.

Take your time with each step. Rushing can lead to mistakes that are costly to fix. This job can easily take 10-20 hours for an experienced DIYer.

Disassembly: Accessing the Timing Components

  1. Prepare the Vehicle: Disconnect the battery. Safely lift the front of the Explorer and support it with jack stands. Drain the engine oil and coolant.
  2. Remove Front Components: Take off the front wheels, splash guards, and any accessories obstructing access to the front of the engine (e.g., serpentine belt, power steering pump, alternator, A/C compressor).
  3. Remove Engine Mount: Support the engine with an engine hoist or support bar. Remove the passenger side engine mount to gain clearance for the timing cover.
  4. Remove Valve Covers: Disconnect ignition coils and fuel injectors. Carefully remove both cylinder head valve covers to expose the camshafts.
  5. Set Engine to TDC: Rotate the crankshaft by hand (using the crankshaft bolt) until the engine is at Top Dead Center (TDC) on the compression stroke for cylinder #1. Use your specialized timing tools to lock the crankshaft and camshafts in position. This step is critical for correct timing.
  6. Remove Harmonic Balancer: Use a harmonic balancer puller to carefully remove the crankshaft pulley.
  7. Remove Timing Cover: Unbolt the numerous bolts securing the front timing cover. This often requires patience and careful prying. Be gentle to avoid damaging the engine block.

Replacement: Installing New Timing Components

  1. Inspect and Clean: Thoroughly clean all old gasket material from the engine block and cylinder heads. Inspect the oil pump and pickup tube for any debris.
  2. Remove Old Timing Components: With the engine locked at TDC, remove the old timing chains, tensioners, guides, and camshaft phasers. Pay attention to their orientation.
  3. Install New Components: Install the new timing chains, guides, and tensioners according to the service manual. Ensure all timing marks on the chains and sprockets align perfectly. Install new camshaft phasers if replacing. This is where the specialized timing tools are invaluable.
  4. Check Timing: Double-check all timing marks and ensure the crankshaft and camshafts remain locked in their correct positions. Even a single tooth off can cause severe engine damage.

Reassembly: Putting It All Back Together

  1. Install Timing Cover: Apply RTV sealant to specified areas of the new timing cover gasket and carefully install the timing cover. Torque all bolts to factory specifications in the correct sequence. Install a new crankshaft front seal.
  2. Install Harmonic Balancer: Reinstall the harmonic balancer. Use a new crankshaft bolt and torque it to the specified high torque value.
  3. Reinstall Valve Covers: Install new valve cover gaskets and reinstall the valve covers. Reconnect all ignition coils and fuel injectors.
  4. Reinstall Engine Mount and Accessories: Reattach the engine mount and torque it correctly. Reinstall all front accessories (alternator, A/C compressor, power steering pump) and the serpentine belt.
  5. Refill Fluids: Refill the engine with fresh engine oil and coolant.
  6. Initial Startup: Disconnect the fuel pump fuse and crank the engine for a few seconds to build oil pressure before allowing it to start. This helps ensure proper lubrication.
  7. Start and Check: Reconnect the fuel pump fuse. Start the engine and listen carefully for any abnormal noises. Check for leaks. The engine may run a bit rough initially as the VVT system re-learns.
  8. Test Drive: Take a short test drive, listening for any issues and monitoring engine temperature and warning lights.
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Common Pitfalls and Pro Tips for Timing Chain Service

Even with careful planning, things can go wrong. Being aware of common pitfalls and employing pro tips can save you headaches and ensure a successful 2016 Ford Explorer timing chain replacement.

One common mistake is underestimating the importance of cleanliness. Any debris introduced into the engine can cause future issues.

Avoiding Costly Mistakes

  • Not Using Specialized Tools: Attempting this job without the specific Ford timing tools is a recipe for disaster. Borrow, rent, or buy them.
  • Incorrect Torque Specifications: Over-tightening can strip threads, while under-tightening can lead to leaks or parts coming loose. Always use a torque wrench.
  • Damaging Gasket Surfaces: Be meticulous when scraping old gasket material. Gouging the aluminum engine block or timing cover can create leaks that are difficult to seal.
  • Incorrect Timing: Misaligning the timing by even one tooth will cause the engine to run poorly, or worse, cause valves to hit pistons, leading to severe internal engine damage.
  • Forgetting to Replace All Components: Replacing just the chain and not the tensioners or guides is false economy. The worn components will quickly damage the new chain.
  • Not Replacing the Crankshaft Bolt: Ford often specifies a new crankshaft bolt as it’s a torque-to-yield fastener.

Expert Advice for a Smooth Repair

  • Take Pictures: Document every step of the disassembly process with photos. This is invaluable during reassembly.
  • Label Everything: Use zip-lock bags and a marker to label bolts, brackets, and small parts as you remove them.
  • Cleanliness is Key: Ensure your workspace and all engine surfaces are spotless. Use brake cleaner or similar degreasers for oil residue.
  • Pre-lube New Components: Before installing, coat new timing chains, guides, and tensioners with fresh engine oil.
  • Double-Check Timing Marks: After installing the new components but before installing the timing cover, manually rotate the engine two full crankshaft revolutions and re-verify that all timing marks still align.
  • Consider an Oil Pump Replacement: Since you have the timing cover off, it’s a perfect time to replace the oil pump, which is located behind the timing cover on many 3.5L Ford engines.

Maintaining Your New Timing Chain: Longevity Tips

Once your 2016 Ford Explorer timing chain replacement is complete, you’ll want to ensure it lasts as long as possible. Proper maintenance is key to preventing premature wear and tear.

A well-maintained engine is a reliable engine, whether you’re commuting to work or venturing off the beaten path. These tips will help you maximize the life of your new timing components.

Regular Oil Changes with Quality Oil

This is arguably the most critical factor in timing chain longevity. The timing chain tensioners are often hydraulically operated, relying on clean engine oil pressure. Dirty, sludgy oil can clog these passages, leading to tensioner failure and chain slack.

Adhere strictly to Ford’s recommended oil change intervals, and always use the specified oil viscosity and type (e.g., synthetic blend or full synthetic). High-quality oil provides better lubrication and resists breakdown, protecting your engine’s vital components.

Consider shorter oil change intervals if you frequently drive in harsh conditions, tow heavy loads, or engage in extensive off-roading.

Monitor for Early Warning Signs

Even with a new timing chain, it’s wise to remain vigilant. Listen to your engine, especially during cold starts. Any new rattling, ticking, or changes in engine performance should prompt immediate investigation.

Don’t ignore the Check Engine Light. Get any codes scanned and addressed promptly. Early detection of minor issues can prevent them from escalating into major repairs.

Regularly check your oil level and keep it topped off. Low oil levels can starve the timing chain tensioners of the hydraulic pressure they need.

Frequently Asked Questions About 2016 Ford Explorer Timing Chain Replacement

What is the typical lifespan of a 2016 Ford Explorer timing chain?

Timing chains are generally designed to last the life of the vehicle, often well over 150,000 to 200,000 miles. However, factors like infrequent oil changes, poor oil quality, and manufacturing defects can significantly shorten this lifespan, sometimes leading to failure as early as 80,000-100,000 miles.

How much does a 2016 Ford Explorer timing chain replacement cost?

The cost can vary widely. If done by a professional mechanic, you can expect to pay anywhere from $2,000 to $4,000 or more, depending on labor rates, parts quality (OEM vs. aftermarket), and if other components like the water pump or oil pump are replaced simultaneously. DIY costs will be significantly lower, primarily for parts (typically $400-$800 for a quality kit) and specialized tool rental/purchase.

Can I drive my Explorer with a stretched timing chain?

While you might be able to drive it for a short period with mild symptoms, it is highly inadvisable. A stretched or failing timing chain can cause incorrect valve timing, leading to reduced engine performance, misfires, and potentially catastrophic engine damage (bent valves, damaged pistons) if the chain slips or breaks. It’s best to have the vehicle towed for repair.

What other components should I replace during a timing chain service?

It’s strongly recommended to replace the entire timing chain kit, which includes all chains, tensioners, and guides. Additionally, consider replacing camshaft phasers (VVT actuators), the water pump (often behind the timing cover), the oil pump, and all associated gaskets and seals (timing cover gasket, valve cover gaskets, crankshaft front seal). This prevents needing to re-open the engine for a related failure soon after.

Are there any specific issues with the 3.5L EcoBoost timing chain?

Some 3.5L EcoBoost engines (and even the naturally aspirated 3.5L Ti-VCT) have been known to experience premature timing chain stretch, often attributed to extended oil change intervals or issues with tensioners and VVT phasers. Regular, timely oil changes with the correct full synthetic oil are crucial for preventing these issues.

Conclusion: Drive with Confidence

A 2016 Ford Explorer timing chain replacement is a demanding but rewarding task for the skilled DIYer. It requires patience, precision, and the right tools. By understanding the symptoms, preparing meticulously, and following detailed steps, you can restore your Explorer’s reliability and performance.

Whether you tackle this challenge yourself or entrust it to a professional, the knowledge gained from this guide empowers you to make informed decisions. Maintaining your Explorer’s heart—its engine—ensures it’s ready for every journey, from daily commutes to adventurous off-road excursions.

Invest in quality parts and diligent maintenance, and your Ford Explorer will continue to serve you faithfully for many more miles. Stay safe, stay informed, and keep exploring!

Robert Lozano
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