How to Do a 6.7 Powerstroke CCV Filter Replacement

The 6.7L Powerstroke diesel engine is designed to withstand rough performance, but it requires meticulous upkeep to maintain long-term reliability. The Crankcase Ventilation (CCV) system is central to this maintenance.

Hence, it is not merely a recommendation to master the process of 6.7 powerstroke ccv filter replacement, but it is a necessity to the longevity of the engine. This step-by-step manual takes you through all the steps, so that your Ford Super Duty can be in optimal condition.

The CCV filter in your 6.7 Powerstroke traps oil vapors from blow-by gases. It keeps them out of the intake and turbo. Replace it every 30,000 to 67,500 miles to avoid pressure buildup, leaks, and engine damage. This guide shows you how.

This step-by-step manual guides you through all the necessary steps to replace ccv filter 6.7 PowerStroke and keep your Ford Super Duty F250 F350 F450 F550 in optimal condition.

What Is a CCV Filter on a 6.7 Powerstroke?

The CCV filter is part of the crankcase ventilation system. It handles blow-by gases. These gases escape past the piston rings. The filter traps oil mist from them. Clean gases go back to the intake. This setup cuts emissions and protects the engine.

The crankcase ventilation system has the CCV filter. It traps oil mist and blow-by. This keeps oil out of the intake and turbo. Think of it like an air filter for crankcase vapors.

On the 6.7 Powerstroke, the part is often inside an oil separator box. That box sits on the valve cover. The filter prevents oil buildup and protects the turbocharger. It also reduces oil consumption and helps with emissions control.

The crankcase ventilation system works like a PCV system. It routes blow-by to the intake while the filter stops oil droplets before they get to the turbo.

Differences Between 2011–2024 Models

While the core principle of pressure management remains constant, the physical configuration and location of the CCV housing have evolved across the generations.

As a rule, the filters and housing design of 2011-2016 and 2017-2024 models differ. These variations directly influence the replacement part number under question and the access required to carry out the CCV replacement 6.7 powerstroke.

You should always check out the model year of your truck to be sure you receive the correct part.

Model Years	CCV Type	Serviceable?	Common Part Number
2011-2016	Sealed Assembly	No	DC3Z-6A785-C
2017-2019 (DRW)	Filter Element	Yes	GC4Z-6A777-B
2020-2024	Baffle-Style Sealed	No	LC3Z-6A785-C

Signs Your CCV Filter Needs Replacement

A bad CCV filter causes chaos. Watch for these signs. They scream for action.

1. Overblow or pressure in the crankcase

The blow-by gases can not escape effectively as the filter is limited. In order to check this, take away the oil fill cap when the engine is not too active.

Whenever you see a lot of smoke or experience some serious force that pushes the cap at the far side of the opening, the pressure in the crankcase is too high. This signals an urgent need for changing ccv filter 6.7 powerstroke.

2. Oil leaks at seals or gaskets

Unclear CCV filter leads to high crankcase pressure, which strains the internal body of the engine block. As a result, this pressure causes oil to squeeze through the weak areas of the engine, including the rear main seal or the gaskets of the valve cover.

Leakage of oi,l either visible (particularly, new or sudden), indicates a serious warning of a damaged CCV system.

3. Burning Oil Smell Under the Hood

Once the seals get broken due to the intense pressure, the dripping oil will drop on hot regions of the engine, including exhaust manifolds or turbo housing. Thus, a strong odour of burning oil, especially when the engine has been running long enough, is often an indication of a failed CCV system.

4. Less Fuel Economy or Engine Performance

With the CCV system, the ECU uses the amount of air/gas back to the intake to meter a specific quantity. Consequently, the engine may not be able to keep the optimal air-fuel ratios under an imbalance, which can be seen through a mild decline in engine power and general fuel efficiency.

5. Check-Engine Light or Service Message

Although this is not so common a fault, a service notification or a diagnostic trouble code (ETP) will be triggered by extreme crankcase pressure or an abnormal turbo inlet signal in case the CCV is totally blocked (on later 6.7L Powerstroke models).

If you see these signs, inspect the CCV filter and housing. Early detection avoids bigger damage.

Recommended CCV Filter Replacement Interval

Ford says 67,500 miles. But real life varies. Listen to your truck.

Ford's Official Maintenance Interval

Ford's official interval is 67,500 miles for the 6.7 Powerstroke.

Real-World Intervals (Based on Mileage, Driving Style, Towing)

However, real-world intervals change with use. In case of heavy loads towed, dust driving, and heavy idling, check at 50,000 miles or less.

When you are mostly on the highways, you can stay closer to the Ford number.

Why Replacing Early Can Prevent Costly Failures

Replace earlier if you see symptoms. Replacing early prevents oil carryover and turbo issues. A simple filter change is low cost while a failed turbo or gasket is expensive.

One story. Friend hit 90,000. Pan gasket blew. Transmission out. $4,000. Do not be him.

Inspect every oil change. Visual check. Wipe residue. This habit caught my last one. Black gunk inside. Swapped next day. Peace. Reliability.

Tools and Parts Needed for CCV Filter Replacement

Gather these. Job takes 30 minutes.

Required tools

• Socket set: Use a 1/4" and 3/8" drive set. Extensions help reach tight fasteners.
• Torque wrench: Use one that reads down to 2 lb·ft.
• Pick set: for removing old O-rings and sealing clips.
• Shop towel: keep dirt out of the housing.
• Flashlight: inspect internal surfaces.
• Magnetic tray: keep bolts from falling.
• Minimal vacuum or air blower to wipe condensation.

OEM Part Numbers and Brands

Model Year	OEM Part Number (Ford/Motorcraft)	Common Aftermarket Brands	Key Notes
2011–2016	BC3Z-6A649-B (Assembly)	Racor, Motorcraft	Often requires replacement of the full oil separator assembly.
2017–2019	HC3Z-6A649-B (Element)	Racor, Motorcraft, Mahle	Typically, an element-only swap.
2020–2024	LC3Z-6A649-A (Element)	Motorcraft, Racor	Latest designs facilitate easier, filter-only replacement.

Cost Comparison (Typical DIY Part Prices)

The cost of real Ford parts versus high-performance aftermarket CCV filters like those of Racor (a common OEM supplier) is not usually great. However, do not sacrifice much on cost since the quality of the component should be given priority.

This filter is essential to the protection of the engine, and the low-cost and low-quality substitute might easily break down, causing great damage to the engine.

Option	Estimated Parts Cost (DIY)	Estimated Labor Cost	Total Estimated Cost Range
DIY (Do-It-Yourself)	$120 - $220	$0	$120 - $220 (Parts Only)
Independent Diesel Shop	$120 - $220	$100 - $250	$220 - $470
Ford Dealership	$140 - $240	$200 - $400	$340 - $640

Step-by-Step 6.7 Powerstroke CCV Filter Replacement Guide

The process of changing ccv filter 6.7 powerstroke is a task that most independent mechanics can handle, and it will take them a quarter of an hour on average.

The successful installation, however, depends on the care with regard to cleanliness and adequate torque. These instructions are not to be neglected.

Preparation

1. Park in a flat area and engage the parking brake.
2. Also, remove the negative battery terminal to prevent an electrical fault.
3. Let the engine cool fully.
4. Lift off the plastic engine cover.
5. Wipe the surroundings of the CCV housing with rags or compressed air.
6. Gather tools and a new filter.
7. In case you lift the truck, use jack stands. Never rely on a single jack.

Removal Process

1. Remove the engine cover if present.
2. Locate the CCV oil separator housing on the passenger valve cover.
3. Unbolt the small cover bolts. Ford service info shows tightening to 3–4 lb·ft for the cover bolts.
4. Be careful not to tear the cover when opening it up to see the filter element.
5. Take out the old filter using your hand or using pliers.
6. Check the housing against sludge or debris.
7. Wipe the housing using a lint-free towel or vacuum.
8. Check the O-ring or gasket and replace it in case of damage.
9. Properly use the new filter.

Installation

1. Compare the old and new filters to confirm fit.
2. Install the new filter element into the housing; seat it fully and square.
3. Replace the housing O-ring or gasket if provided.
4. Reinstall the cover and hand-start the bolts.
5. Tighten the cover bolts to the recommended low figure. If you need exact torque specs, use Ford documentation.
6. Reinstall the engine cover.
7. Reconnect the battery.
8. Clear any service messages if needed.

Note: Torque matters because overtightening can crack the cover. Under-tightening can leak.

Post-Installation Check

1. Switch on the engine and idle it.
2. Listen for hissing or unusual noises.
3. Look into the housing to see if there are any leaks.
4. Test drive briefly and re-examine leakages.
5. Record oil usage in one week.
6. When a check-engine light is on, scan codes.
7. There should be no leaks and 0 idle.

Summary: Take the engine cover off, open the oil separator, replace the filter, seal, tighten bolts, leak check, and test drive.

Torque and Fastener Notes

Cover bolts are low-torque items. Ford documentation shows 3–4 lb·ft for the filter cover bolts. Use a torque wrench that is capable of measuring in lb/ft or in the equivalent Nm (4 lb·ft ≈ 5.4 N·m).

If you cannot read such low values, tighten by feel and stop when snug plus a small quarter turn. Do not overtighten. Plastic encasings may break when operating at high torque.

Common Problems and Fixes

• Problem: Cover leaks after replacement. Fix: Check O-ring, clean sealing surfaces, and retorque bolts.
• Problem: Check engine light appears. Fix: Scan codes; clear and run a test drive.
• Problem: Excess oil at the turbo inlet. Fix: Inspect housing and replace the filter immediately.
• Problem: The Filter will not seat. Fix: Check for debris and confirm part fitment.

Cost to Replace a CCV Filter on a 6.7 Powerstroke

I priced dealer once. $400. Did it myself for $60. Smart move. Break it down. Plan ahead.

DIY cost breakdown (parts only):

• OEM filter: $50–$150.
• Aftermarket filter: $30–$90.
• Small consumables: $5–$15.
• Total DIY parts cost:$35–$165.

Dealership labor estimate:

• Labor time: 0.5–1.5 hours.
• Labor rate: $120–$180/hour.
• Dealership total:$120–$350 (parts + labor).

Independent shop pricing:

• Labor rate: $80–$120/hour.
• Independent shop total:$80–$250 (parts + labor).

OEM vs Aftermarket CCV Filters: Which Is Better?

OEM felt safe first. Then I tried aftermarket. No regrets. Compare them. Choose wise.

• Durability: OEM parts match factory specs. Aftermarket can match or exceed OEM if made well. Choose reputable brands.
• Filtration efficiency: OEM filters meet Ford standards. Some aftermarket filters use denser media; check test data and reviews.
• Price: Aftermarket usually costs less. OEM costs more but offers an exact fit. For heavy towing, choose high-quality parts. For stock everyday use, good aftermarket filters are fine.

Which Option Is Recommended for Towing, Heavy Use, or Stock Trucks

• Towing: Aftermarket. Better flow. Less pressure.
• Heavy use: Same. Handles heat.
• Stock: OEM fine. But upgrade for longevity.

What Happens if You Don't Replace the CCV Filter?

Skipped mine once. Regretted it. Pressure built. Leaks started.

Failing to adhere to the maintenance schedule for your 6.7 PowerStroke CCV filter replacement guarantees future engine trouble. The potential for engine damage significantly surpasses the modest cost of the filter.

Increased Crankcase Pressure

As the filter media becomes saturated with soot and oil, the effective venting area narrows drastically. Consequently, pressure rapidly builds up inside the engine block.

Turbocharger Seal Strain and Failure

This is the most critical failure point. Stagnant CCV will interfere with the pressure balance needed to make the turbocharger seals.

The overcranking pressure causes the oil to go through the turbo seals, resulting in consumption of oil, observable smoke out of the blue exhaust, and disastrous leftover residues on the compressor wheel. The repair caused by the failure of the turbocharger due to this carelessness is very costly.

Oil Contamination and Gasket Failure

The high pressure of the interior puts severe pressure on the exterior of all the engine gaskets and seals. Hence, it forces the oil out of the engine through the weakest seals and usually leads to a premature leakage of the rear main seal, front seal, and the oil pan gasket.

The high-pressure operation over an extended time causes premature wear and breakdown of these critical surfaces of sealing.

Is a CCV Delete Better Than Replacing the Filter?

Some owners consider a CCV delete modification as a way to avoid the periodic Ford 6.7 crankcase filter replacement. This involves rerouting the blow-by gases out of the intake, either venting them to the atmosphere or capturing them with an external oil catch can.

What a CCV Delete Does

Removes housing. Reroutes hose. Gases vent atmosphere. Or catch can. Simple. Clean intake.

6.7 Cummins 2007.5 - 2017 CCV Reroute Kit

$29.9

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Pros and Cons

Pros	Cons
Eliminates Clogging: Permanently removes the need for Ford 6.7 crankcase ventilation filter replacement.	Legality/Emissions Issues: It is unlawful to delete this system in most jurisdictions where emissions must be established.
Quickens Intake Clean: Blow-by gases do not pollute the turbo or intercooler.	Odor and Mess: Vented systems can cause a persistent, oily exhaust odor, and catch-can systems require regular draining.
Reduces Oil Consumption: Eliminates the engine's consumption of oil vapor.	Warranty Void: Modifying a federally regulated emissions component may void the powertrain warranty.

Why Deleting May Be Illegal in Some Regions

EPA rules. Emissions mod. Off-road only. Fines in states. Check laws. California no.

Who Should Consider a Delete Kit (If at All)

Tuners. Off-road. Heavy mods. Stock? Stick filter. 

Aspect	Filter Replace	Delete
Maintenance	Every 40k	None
Legality	Yes	Off-road
Cost Long-Term	Higher	Lower
Best For	Daily	Performance

Compatibility: Which 6.7 Powerstroke Years Use This Filter?

The required parts and the procedure for CCV replacement 6.7 powerstroke differ slightly depending on your truck's generation. Always confirm your vehicle's specific configuration.

Ford 6.7L PowerStroke CCV System by Model Year

Model Years	CCV System Configuration	Filter Replacement Type	Key Identification
2011–2016	Integrated housing, often near the passenger side valve cover.	Often requires replacing the entire oil separator assembly.	Complex early packaging.
2017–2019	Redesigned housing on top of the engine, more accessible.	Filter element replacement only.	Improved separation efficiency.
2020–2024	Further optimized design, easily reached under the air intake.	Filter element replacement only.	Simple and direct for 6.7 CCV filter replacement.

Use your VIN at the parts counter or an online parts catalog. Also, match the part shape and connector locations to your housing. If you see a sensor on the separator, note that in the lookup. Many sellers list interchange numbers like PC3Z-6A785-A or FC3Z-6A785-F. Confirm fitment with photos and your year model.

Real-World Intervals and Use Cases

• Light use: highway driving with little idling. Check at 60,000–67,500 miles.
• Moderate use: moderate driving and frequent towing. Inspect at 50,000 miles.
• Heavy application: towing, off-road, or dusty work. Inspect every 25,000-40,000 miles.
• Tuned engines: inspect earlier, as blow-by can rise.

These ranges help you decide when to do a 6.7 PowerStroke CCV filter replacement.

FAQs

Does a dirty CCV filter affect the turbo?

Yes, a plugged or soiled CCV filter has a serious impact on the turbo. This causes the crankcase pressure to burst through the turbo seals, depositing harmful oil residues on the compressor wheel, thus causing inefficiency and increased wear. Timely 6.7 powerstroke ccv filter replacement is critical turbo protection.

Can I drive with a clogged CCV filter?

Although it is physically possible, driving around with a clogged CCV filter is highly dangerous and highly discouraged.

The high pressure at all times exerts too much pressure on every seal in the engine, and thus there is a high probability of a sudden, catastrophic oil leak due to failure of a main type of seal, which can very easily result in engine damage.

Should I replace or clean the CCV filter?

The filter media consists of a permanent trapping of contaminants. Cleaning the filter with compressed air or solvents (e.g., attempting to clean the filter) will destroy the fine filtration, rendering it ineffective and risking engine contamination. Cleaning is never a viable alternative to proper crankcase ventilation filter replacement.

How often should I change my 6.7 Powerstroke CCV filter?

The factory recommendation is every 67,500 miles. However, for any truck used for heavy work, towing, or equipped with performance modifications, the 6.7 PowerStroke CCV filter replacement should be accelerated to every 50,000 miles to ensure peak engine protection and reliability.

Conclusion

Timely CCV replacement cuts leaks and boosts power. It guards your 6.7 Powerstroke's heart. Proper care means longer life. Swap now. Drive worry-free.

The 6.7 PowerStroke CCV filter replacement is a simple yet crucial maintenance task that serves as the primary defense for your turbocharger and engine seals. By following the expert-level procedures outlined in this guide, you guarantee the CCV system operates at peak efficiency.

In short, the benefits are compelling: reduced crankcase pressure, a cleaner intake and turbo, the prevention of premature oil leaks, and most importantly, extended engine lifespan.

Ultimately, prioritizing your Ford 6.7 CCV filter replacement schedule is non-negotiable for ensuring the long-term reliability and powerful performance of your 6.7 Powerstroke engine.

If you're ready to take it a step further and eliminate crankcase fumes from the intake with a CCV reroute, EGR Performance has you covered—we offer the highest-quality CCV reroute kits and other performance parts on the market.

About the Author- John Barrett

More Reading

• Ford's 6.7L Power Stroke
• 6.7 Powerstroke Problems
• 6.7 Powerstroke Specs