2014 Jeep Grand Cherokee Oil Filter Housing Replacement

Is your trusty 2014 Jeep Grand Cherokee leaving tell-tale puddles of oil on your driveway? Or worse, are you noticing that distinct burning oil smell after a spirited off-road adventure or even just your daily commute?

You’re not alone. The oil filter housing on these popular Jeeps is a notorious weak point, and a leak can quickly escalate from an annoyance to a serious engine health concern.

At FatBoysOffroad, we understand the frustration of a leaking rig, especially when you’re planning your next trail excursion. That’s why we’re here to guide you through the often-dreaded 2014 jeep grand cherokee oil filter housing replacement process.

This comprehensive guide will equip you with the knowledge, tools, and step-by-step instructions to tackle this repair yourself. By the end, you’ll be confident in your ability to restore your Jeep’s leak-free performance and keep it running strong for many miles to come.

Let’s get that Grand Cherokee back in top shape!

Table of Contents

Why Your 2014 Jeep Grand Cherokee Oil Filter Housing Fails (And Why It Matters)

The oil filter housing on many 3.6L Pentastar V6 engines, including your 2014 Grand Cherokee, is unfortunately a common failure point. Understanding why it fails helps appreciate the importance of this repair.

The primary culprit is the plastic construction of the original housing, often including the integrated oil cooler.

Common Causes of Failure

Plastic Degradation: Over time, constant exposure to extreme engine heat and various chemicals (oil, coolant) causes the plastic to become brittle and crack.
Gasket and O-Ring Failure: The numerous gaskets and O-rings sealing the housing to the engine block and the oil cooler to the housing eventually harden, shrink, and lose their sealing ability.
Torque Issues: Improper torque during previous oil changes or repairs can stress the plastic, leading to cracks around bolt holes.

The Real-World Impact of a Leaking Housing

A leaking oil filter housing isn’t just a minor inconvenience. It poses several significant risks to your vehicle and wallet.

Engine Damage: Low oil levels due to leaks can lead to insufficient lubrication, causing accelerated wear on critical engine components and potentially catastrophic failure.
Fire Hazard: Oil dripping onto hot exhaust components is a serious fire risk, especially when navigating dry trails or tall grass.
Contamination: Internal leaks within the housing can mix engine oil and coolant, leading to a milky sludge that compromises both lubrication and cooling systems. This is a severe issue.
Environmental Impact: Oil leaks are harmful to the environment and can lead to fines if not addressed.

For off-road enthusiasts, a failing oil filter housing can mean a breakdown far from civilization. Imagine discovering a significant leak halfway down a remote trail – not an ideal situation. Addressing this proactively is key to reliable adventures.

Gathering Your Gear: Tools and Parts for the Job

Before you dive into the repair, proper preparation is crucial. Having all your tools and replacement parts ready will make the 2014 jeep grand cherokee oil filter housing replacement smoother and more efficient.

Essential Tools You’ll Need

Socket Set: Metric sizes, including deep sockets (10mm, 13mm, 8mm are common).
Torque Wrench: Absolutely critical for proper reassembly and preventing future leaks.
Fluid Drain Pan: For collecting engine oil and coolant.
Rags and Shop Towels: You’ll be dealing with fluids, so have plenty on hand.
Gasket Scraper or Plastic Razor Blade: For cleaning mating surfaces.
Pick Set: Handy for disconnecting electrical connectors and removing old O-rings.
Screwdrivers: Flathead and Phillips.
Pliers: Various types, including hose clamp pliers if you have them.
Flashlight or Work Light: Engine bays are dark.
Funnel: For refilling fluids cleanly.

Key Replacement Parts

You’ll need more than just the housing itself. Here’s a list of what to acquire:

New Oil Filter Housing Assembly: This often includes the integrated oil cooler. We highly recommend purchasing a quality aftermarket unit or an OEM Mopar part that addresses the original design flaws. Look for upgraded aluminum versions if available.
New Oil Filter: A fresh filter is usually included with the new housing, but confirm this.
Engine Oil: You’ll drain some oil, so have fresh, correct-spec engine oil (typically 5W-20 for the 3.6L Pentastar) ready.
Engine Coolant: You’ll be draining coolant, so have the correct OAT (Organic Acid Technology) coolant for your Jeep. A gallon or two should suffice for topping off.
Intake Manifold Gaskets: These are crucial. You’ll need upper and lower plenum gaskets. Often, the new oil filter housing assembly will come with new lower intake manifold gaskets, but double-check.
Throttle Body Gasket: A new gasket for the throttle body is a good idea.

Investing in quality parts, especially the housing itself, will save you headaches down the road. Don’t skimp here; a cheap replacement might fail sooner than you’d like.

Safety First: Preparing for Your Oil Filter Housing Replacement

Working on your vehicle always carries risks. Prioritizing safety will protect you and your Jeep. This section outlines critical steps before you even pick up a wrench for the 2014 jeep grand cherokee oil filter housing replacement.

Essential Safety Precautions

Engine Cool Down: Ensure the engine is completely cool before starting. Hot oil and coolant can cause severe burns. This might mean letting the vehicle sit overnight.
Disconnect the Battery: Always disconnect the negative battery terminal before working on electrical components or anything that could accidentally activate. This prevents electrical shorts and accidental starts.
Secure the Vehicle: If you need to lift the front of the vehicle for better access or to drain fluids, use sturdy jack stands on a level surface. Never rely solely on a jack. Engage the parking brake and chock the rear wheels.
Personal Protective Equipment (PPE): Wear safety glasses to protect your eyes from splashing fluids and debris. Gloves will protect your hands from grease, oil, and sharp edges.
Ventilation: Ensure you are working in a well-ventilated area, especially if you’re draining fluids or using cleaning solvents.
Fire Extinguisher: Keep a fire extinguisher nearby as a precaution, given the presence of flammable fluids.
Clean Work Area: A tidy workspace reduces the risk of tripping hazards and helps you keep track of tools and small parts.

Taking these precautions seriously will help ensure a safe and successful repair. Remember, rushing or overlooking safety steps can lead to injuries or further damage to your vehicle.

Step-by-Step Guide: The 2014 Jeep Grand Cherokee Oil Filter Housing Replacement Process

This is where the rubber meets the road. Follow these detailed steps carefully for a successful 2014 jeep grand cherokee oil filter housing replacement. Take your time, double-check your work, and refer to your service manual for specific torque specifications.

1. Prepare for Disassembly

Locate the Housing: The oil filter housing is located on top of the engine, beneath the intake manifold.
Drain Coolant: Place a drain pan under the radiator. Open the radiator drain cock (petcock) and remove the radiator cap to allow the coolant to drain. You’ll also lose some coolant when disconnecting hoses from the housing.
Remove Engine Cover: Unclip and remove the decorative plastic engine cover.
Disconnect Battery: As a safety measure, disconnect the negative battery terminal.

2. Removing the Intake Manifold

The intake manifold sits directly above the oil filter housing and must be removed to access it.

Remove Air Intake Tube: Loosen the clamps on the air intake tube connected to the throttle body and air box. Disconnect any vacuum lines or electrical connectors attached to it, then remove the tube.
Remove Throttle Body: Disconnect the electrical connector from the throttle body. Remove the four bolts holding the throttle body to the upper intake manifold. Carefully set the throttle body aside (don’t let it hang by wires). Discard the old gasket.
Disconnect Sensors and Hoses: Systematically disconnect all electrical connectors and vacuum lines from the upper intake manifold. Take pictures or label them to aid reassembly. This includes the PCV valve hose and any sensors.
Remove Upper Intake Manifold: Remove the bolts securing the upper intake manifold. Carefully lift it off and set it aside.
Remove Lower Intake Manifold: Disconnect any remaining fuel injector electrical connectors or fuel lines (use caution with fuel). Remove the bolts holding the lower intake manifold. This manifold is two pieces (left and right banks) and may come off together or separately. Carefully lift it off.
Clean Mating Surfaces: With the intake manifolds removed, you’ll see the engine’s valley. Use a gasket scraper or plastic razor blade to carefully clean all old gasket material from the cylinder head mating surfaces. Be meticulous to ensure a perfect seal later.

3. Replacing the Oil Filter Housing

Now you have direct access to the failing component.

Disconnect Housing Components: Disconnect the oil pressure sensor and oil temperature sensor electrical connectors from the housing. Disconnect any coolant hoses leading to the housing.
Remove Housing Bolts: Locate and remove all the bolts securing the oil filter housing to the engine block. There are typically several bolts, so ensure you get them all.
Carefully Remove Old Housing: Gently pry up the old housing. It might be a bit stuck due to old gaskets. Expect some residual oil and coolant to spill. Have your drain pan ready.
Clean Engine Block Surface: Thoroughly clean the engine block’s mating surface where the new housing will sit. Any old gasket material or debris can cause a new leak. Use brake cleaner on a rag to degrease the area.
Install New Housing: Place the new oil filter housing assembly, complete with its fresh gaskets, onto the clean engine block surface. Ensure it sits flush.
Install Housing Bolts: Hand-tighten all the housing bolts first. Then, using your torque wrench, tighten them to the manufacturer’s specified torque (consult your service manual, typically around 106 in-lbs or 12 Nm). Tighten in a crisscross pattern for even pressure.
Reconnect Sensors and Hoses: Reconnect the oil pressure and oil temperature sensor electrical connectors, and reattach any coolant hoses. Ensure all clamps are secure.

4. Reassembly

Reverse the disassembly steps, paying close attention to new gaskets and torque specs.

Install Lower Intake Manifold: Place new lower intake manifold gaskets onto the cylinder heads. Carefully set the lower intake manifold into place. Install and torque the bolts to spec (again, consult your manual). Reconnect any fuel lines or injector connectors you detached.
Install Upper Intake Manifold: Place new upper intake manifold gaskets. Carefully set the upper intake manifold into place. Install and torque the bolts.
Reconnect Electrical and Vacuum Lines: Refer to your pictures or labels and systematically reconnect all electrical connectors and vacuum lines to the intake manifold. Double-check every connection.
Install Throttle Body: Install a new throttle body gasket. Mount the throttle body and torque its bolts to spec. Reconnect its electrical connector.
Install Air Intake Tube: Reattach the air intake tube, ensuring clamps are tight and any connected vacuum lines are secure.
Install Engine Cover: Snap the engine cover back into place.

5. Refill Fluids and Initial Checks

Reconnect Battery: Reconnect the negative battery terminal.
Refill Engine Oil: Add the correct amount and type of fresh engine oil. Check the dipstick to ensure it’s at the full mark.
Refill Coolant: Close the radiator drain cock. Slowly add the correct type of coolant to the radiator and reservoir.

This is a substantial repair, but by following these steps carefully, you’ll be well on your way to a leak-free engine. For detailed torque values, always consult a service manual specific to your 2014 Grand Cherokee.

Post-Replacement Checks and First Start-Up

You’ve done the hard work of the 2014 jeep grand cherokee oil filter housing replacement. Now, it’s time for the crucial final steps: checking your work and the initial start-up.

Thorough Visual Inspection

Before even thinking about starting the engine, perform a meticulous visual inspection:

All Connections Secure: Check every electrical connector, vacuum line, and coolant hose you disconnected. Give them a gentle tug to confirm they are seated properly.
Bolts Torqued: Briefly re-verify that all intake manifold and oil filter housing bolts are torqued to specification.
No Tools Left Behind: Ensure no tools, rags, or stray parts are left in the engine bay.
Fluid Levels: Double-check your engine oil level and coolant level. Top off as necessary.
Leak Check: Look under the vehicle for any immediate signs of fluid leaks.

The Initial Start-Up

This is the moment of truth. Be prepared to shut off the engine if anything seems amiss.

First Start: Start the engine. It might crank a bit longer than usual as the oil system repressurizes.
Monitor Gauges: Immediately watch your oil pressure gauge and engine temperature gauge. Oil pressure should come up quickly.
Listen for Unusual Noises: Listen for any knocking, ticking, or hissing sounds that weren’t present before.
Visual Leak Check (Engine Running): With the engine running, carefully inspect the area around the new oil filter housing and intake manifold for any signs of oil or coolant leaks. Use a flashlight.
Bleed the Cooling System: As the engine warms, the thermostat will open. Keep an eye on the coolant level in the reservoir and add more as needed. You may need to run the engine with the heater on high to help purge air from the system. Squeeze coolant hoses to aid in air removal. This can take some time.

Test Drive Considerations

Once you’ve confirmed no immediate leaks and stable temperatures, take your Jeep for a short test drive.

Gentle Driving: Start with gentle acceleration and braking.
Monitor Gauges: Continue to monitor engine temperature and oil pressure.
Listen and Feel: Pay attention to how the engine sounds and feels. Are there any hesitations or new vibrations?
Post-Drive Inspection: After your test drive, park the Jeep and perform another thorough visual inspection for leaks. Check the oil and coolant levels again once the engine has cooled slightly.

For off-roaders, consider a short, easy trail run after confirming everything is stable. You want to ensure your Jeep is trail-ready before committing to a remote adventure.

Troubleshooting Common Issues After Your Oil Filter Housing Swap

Even with careful execution, sometimes issues can arise after a major repair like the 2014 jeep grand cherokee oil filter housing replacement. Here’s how to diagnose and address common post-replacement problems.

Still Leaking Oil or Coolant?

This is the most common and frustrating issue.

Improper Gasket Seating: Double-check that all new gaskets (housing, intake manifold, throttle body) were installed correctly and are not pinched or misaligned.
Insufficient Torque: Re-verify that all bolts securing the housing and intake manifolds were torqued to the manufacturer’s specifications. Under-torquing can lead to leaks, while over-torquing can crack the plastic housing or strip threads.
Damaged New Part: Although rare, a new part can sometimes be faulty or arrive with a manufacturing defect. Inspect the new housing carefully for any cracks or imperfections if other avenues fail.
Old O-rings: Ensure you replaced all O-rings, especially on the coolant hoses leading to the housing.

Engine Overheating?

Overheating usually points to issues with the cooling system.

Air in Cooling System: This is highly probable. The cooling system needs to be properly bled to remove all air pockets. Continue the bleeding procedure (running engine with heater on, burping hoses, topping off coolant) until the thermostat opens and the system stabilizes.
Loose Coolant Hose: Check all coolant hose connections to ensure they are tight and not leaking air or fluid.
Low Coolant Level: Ensure the coolant reservoir is full and the radiator is topped off.

Check Engine Light (CEL) Illumination?

A CEL typically indicates a sensor or vacuum issue.

Disconnected Sensor: Re-inspect all electrical connectors you detached (oil pressure, oil temperature, throttle body, MAP sensor, etc.). A loose or disconnected plug is a frequent culprit.
Vacuum Leak: A vacuum leak around the intake manifold gaskets or a disconnected vacuum line can trigger a CEL and cause rough idling. Listen for a hissing sound.
Throttle Body Not Reconnected: Ensure the throttle body electrical connector is firmly seated.

Rough Idling or Poor Performance?

This often ties back to air or fuel delivery.

Vacuum Leak: As mentioned, check for vacuum leaks.
Fuel Injector Connectors: Ensure all fuel injector electrical connectors are securely attached.
Throttle Body Issues: If the throttle body was removed, ensure it’s reinstalled correctly and its electrical connection is solid. Sometimes, a throttle body relearn procedure might be needed if idling issues persist.

If you’re out on the trail and facing a serious issue after a roadside repair, don’t hesitate to use a satellite messenger or phone to call for assistance. Park rangers or experienced adventurers can offer guidance or help arrange a tow. It’s always better to be safe than sorry in remote locations.

Frequently Asked Questions About 2014 Jeep Grand Cherokee Oil Filter Housing Replacement

Here are some common questions DIYers have about this specific repair on their Jeep.

How long does this replacement typically take for a DIYer?

For an experienced DIYer, the 2014 jeep grand cherokee oil filter housing replacement can take anywhere from 4 to 8 hours. If you’re new to working on engines, budget a full day, or even a weekend, to take your time and avoid mistakes. Rushing will only lead to headaches.

What are the signs my oil filter housing is failing?

The most common signs are visible oil leaks on the top of the engine (around the valley), dripping onto the transmission bell housing, or puddles under the vehicle. You might also notice a burning oil smell, especially after driving, or a fluctuating oil pressure gauge. In severe cases, you could see a mix of oil and coolant in either reservoir.

Can I drive with a leaking oil filter housing?

It’s highly discouraged. While a very minor seep might not cause immediate damage, any significant leak can lead to dangerously low oil levels, engine damage, and even a fire hazard. Address a leaking oil filter housing as soon as possible to protect your engine and ensure safety, especially before an off-road trip.

Should I replace anything else while I’m in there?

Absolutely! Since you’re already removing the intake manifold, it’s an excellent time to consider replacing the spark plugs (if due), PCV valve, and inspecting other vacuum lines or electrical connectors for wear. Many DIYers also opt for an upgraded aluminum oil filter housing to prevent future issues.

What’s the best type of oil filter housing to buy?

For a reliable 2014 Jeep Grand Cherokee oil filter housing replacement, many enthusiasts recommend an upgraded aftermarket aluminum housing if available, as it addresses the inherent weaknesses of the original plastic design. If sticking with plastic, ensure it’s a high-quality OEM Mopar part or a reputable aftermarket brand known for durability.

Get Your Jeep Back on the Trail, Leak-Free!

Tackling the 2014 jeep grand cherokee oil filter housing replacement might seem daunting, but with this guide, patience, and the right tools, it’s a completely achievable DIY project. You’ve now gained valuable insight into why this component fails, how to safely replace it, and what to look for afterward.

By taking on this repair, you’re not only saving money but also gaining a deeper understanding of your vehicle and the satisfaction of a job well done. A leak-free engine means peace of mind, whether you’re cruising down the highway or conquering challenging terrain.

Remember to always prioritize safety, consult your service manual for specific torque values, and don’t hesitate to re-read sections if you’re unsure. Your Jeep deserves the best care, and you’re the best person to give it!

Now, go forth, stop those leaks, and get ready for your next adventure. Stay safe and stay comfortable out there!

Author
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Thomas Corle

Founder & Automobile expert at FatBoysOffroad

Automobile expert and off-road enthusiast, sharing in-depth knowledge of vehicles, gear, and adventures. Helping readers make smart decisions and enjoy the thrill of off-roading safely and confidently.