Why Your 2010 Challenger Has a Clicking Noise (And the Oil Leak Fix)

How to Fix Clicking Noise

A clicking or rattling noise from your 2010 Dodge Challenger can be frustrating and concerning. Based on real owner reports, this issue is often linked to a specific, fixable cause. As one owner shared after addressing a similar problem, "It runs smooth and transmission runs smooth as well... besides the intake manifold gasket I changed." This guide will walk you through the symptoms, diagnosis, and repair for the most common culprit based on actual owner experiences.

Symptoms

Owners of this generation Challenger describe a few key symptoms that often accompany or lead up to a clicking or rattling noise. The most frequently reported issue is an oil leak. This isn't just a minor drip; it can be significant enough to be noticed during routine checks or leave marks on your driveway. The leak is often traced back to the top of the engine.

Another common symptom is a general rattling noise from the engine bay. This isn't the deep rumble of the Hemi but a lighter, more metallic or plastic-sounding tick or rattle that changes with engine speed. In some cases, owners have also mentioned performance issues like the engine "coughing" or running rough, especially at idle or under light throttle. This roughness can feel like a slight misfire.

Finally, while not a direct symptom of the noise, several owners report dealing with rust, particularly on older models. This environmental wear can sometimes cause unrelated rattles from body panels or undercarriage components like heat shields, which can be confused with engine noises. It’s important to distinguish where the sound is coming from.

Most Likely Cause

The primary cause of a clicking noise and associated oil leaks, based on aggregated data from Challenger owner discussions, is a failing intake manifold gasket. The intake manifold on the 5.7L Hemi V8 is a large plastic component seated on top of the engine valley. It is sealed by gaskets at the cylinder head ports.

Over time and with heat cycles, these plastic intake manifolds and their rubber gaskets can warp, crack, or simply wear out. When this seal fails, it creates a vacuum leak (an "intake leak"). This leak allows unmetered air into the engine, causing a lean condition that can make the engine run rough or "cough." More critically for the clicking noise, a failed lower gasket or a crack in the manifold itself can allow oil from the valley to seep out, leading to the oil leaks owners report. In some cases, the clicking may be the sound of a loose manifold or a vacuum leak itself, or it could be a secondary symptom of the engine running poorly due to the leak.

How to Diagnose

Diagnosing this issue requires a systematic approach to confirm the intake manifold is the source before you start tearing things apart. You'll need a basic set of mechanic's tools, a flashlight, and a can of carburetor cleaner or brake cleaner for a safe test.

First, with the engine cold, pop the hood and visually inspect the top of the engine. Look for fresh oil accumulation in the valley between the two cylinder heads and down the sides of the engine block. Use your flashlight to check the entire perimeter of the intake manifold. Next, listen carefully. With the engine running, use a mechanic's stethoscope or a long screwdriver (place your ear on the handle) to probe around the base of the intake manifold. Try to isolate where the clicking or ticking is loudest.

The most definitive test for a vacuum leak is the carb cleaner test. With the engine idling, carefully spray small bursts of carburetor cleaner around the intake manifold gasket seams. Do not spray near hot exhaust components. If the engine idle speed suddenly increases or smooths out when you spray a specific area, you’ve found your vacuum leak. This confirms the gasket seal is compromised in that spot. As one owner confirmed after their repair, "I just replaced the intake manifold gaskets so now officially there is no oil leak."

Step-by-Step Fix

Replacing the intake manifold gaskets is a very common DIY job for Challenger owners. It requires patience and attention to detail but is straightforward with the right tools. Allow 3-5 hours for your first attempt.

1. Safety First: Disconnect the negative battery cable. Allow the engine to cool completely.
2. Remove Engine Cover: Pull up on the plastic engine cover to release its rubber grommets.
3. Remove Intake Components: Use a screwdriver to loosen the hose clamp on the intake air duct connected to the throttle body and remove it. Disconnect the electrical connector from the throttle body. You may need to remove the entire air intake box for better access.
4. Disconnect Necessary Lines: Label and disconnect any vacuum lines, breather hoses (like the PCV hose), and electrical connectors attached to the intake manifold. The fuel line quick-connect fitting will also need to be disconnected; depress the plastic tabs and pull carefully.
5. Unbolt the Manifold: Using a ratchet and extensions, remove the eight 10mm bolts securing the intake manifold to the cylinder heads. There are four on each side.
6. Remove the Manifold: Carefully lift the intake manifold straight up and off the engine. Be mindful of the injectors and any remaining connections. You will now see the old gaskets on the cylinder heads.
7. Clean the Surfaces: This is a critical step. Use a plastic scraper and brake cleaner to meticulously clean all old gasket material from the cylinder head mating surfaces and the bottom of the intake manifold. Ensure no debris falls into the open engine ports.
8. Install New Gaskets: Place the new rubber gaskets onto the cylinder heads. They should seat snugly in the channels. Do not use any sealant unless specified by the gasket manufacturer.
9. Reinstall Manifold: Carefully lower the intake manifold straight down, aligning the ports with the gaskets. Hand-tighten all eight bolts.
10. Torque Bolts: Following the correct sequence (typically from the center bolts outwards in a criss-cross pattern), torque the bolts to the manufacturer's specification, usually around 10-12 ft-lbs. Overtightening can crack the plastic manifold.
11. Reconnect Everything: Reverse the disassembly process, reconnecting all vacuum lines, electrical connectors, the fuel line, and the intake ductwork.
12. Final Check & Test: Reconnect the battery. Start the engine and listen for the clicking noise. Let it idle and check for smooth operation. Inspect for any immediate leaks.

As one DIY-inclined owner noted during their broader refresh, "a tune up to include new fluids, emblems, and some side strobe stripes I installed myself recently." Tackling this job yourself brings the same satisfaction.

Parts and Tools Needed

For this repair, you will need a specific gasket set and common tools.

Parts:

• Intake Manifold Gasket Set for 2009-2010 Dodge Challenger 5.7L Hemi. A common part number is Mopar 53010487AB. Many aftermarket brands like Fel-Pro (Part # MS96133 ) are also excellent and widely used by owners.

Tools:

• Basic socket set (metric, 8mm-15mm) with ratchet and extensions
• 10mm socket (for intake manifold bolts)
• Torque wrench (inch-pounds or low ft-lbs range)
• Plastic gasket scraper
• Screwdrivers (flathead and Phillips)
• Pliers or hose clamp tool
• Can of brake cleaner or carburetor cleaner
• Shop towels
• Safety glasses and gloves

Real Owner Costs

The cost to fix this issue varies dramatically between DIY and professional repair, as evidenced by owner experiences.

DIY Repair: This is where you save significantly. The intake manifold gasket kit typically costs between $40 and $80. If you already have the basic tools, your total cost is just the part. This makes it one of the most cost-effective major repairs you can do. An owner performing their own work represents this mindset: "No new performance mods but I did end up doing some body work, a repaint/clearcoat, buff and polish... a tune up to include new fluids... I installed myself recently."

Professional Repair: Taking your Challenger to a shop is more expensive due to labor. Shop labor rates average $100-$150 per hour, and this job typically books 2.5-3.5 hours. Therefore, total costs usually range from $350 to $600+ parts and labor included. Some owners who are not comfortable with DIY go this route for peace of mind, especially if they suspect other issues. One owner mentioned having a mechanic look over their new purchase, which is a wise step if you're not confident in your own diagnosis.

Prevention

Preventing a recurrence of this issue revolves around managing engine heat and using quality parts. The plastic intake manifold is vulnerable to extreme heat cycles. Ensuring your cooling system is in top shape—with proper coolant levels and a functioning thermostat—helps keep under-hood temperatures in check. Avoid "hot" performance tunes that increase engine bay heat if you are concerned about longevity.

When you do the repair, invest in a high-quality gasket set from a reputable brand like Mopar or Fel-Pro. Cheap gaskets may degrade faster. During installation, the single most important preventive step is using a torque wrench to tighten the manifold bolts to the exact specification. Overtightening is a common mistake that can warp the manifold or crush the gaskets, leading to a quick failure. Finally, regular visual inspections of your engine bay for fresh oil or signs of leaks can help you catch a small problem before it leads to performance issues or that annoying clicking noise.

What Owners Say

Real experiences from DODGE owners:

Owner Experiences

"I’ve wanted a Challenger for so long and finally got this beast today. 2009 5.7 V8 Hemi" — Significant_Act9517 (source)

"It had an issue of coolant getting into the oil but it was fixed and runs fine now. I just replaced the intake manifold gaskets so now officially there is no oil leak." — Disastrous_Cream2119 (source)

"It runs smooth and transmission runs smooth as well. All fluids also got changed and a mechanic looked at it before I bought it and said everything was good besides the intake manifold gasket I changed." — Disastrous_Cream2119 (source)

Lessons Learned

⚠️ "No new performance mods but I did end up doing some body work, a repaint/clearcoat, buff and polish, new receiver, some new tires, a (still have two more to go before feeling comfortable to take it on the highway), a tune up to include new fluids, emblems, and some side strobe stripes I installed myself recently." — Odd_Term_4512 (source)

⚠️ "(still have two more to go before feeling comfortable to take it on the highway), a tune up to include new fluids, emblems, and some side strobe stripes I installed myself recently." — Odd_Term_4512 (source)

Real Repair Costs

"I got a Challenger RT as a rental car last year and I literally could not believe the interior. It would have been bad in 2010, let alone for a new car that was $50k+." — CaptainKoala (source)

FAQ

Q: How long does it take to replace the intake manifold gaskets? A: For a first-time DIYer, plan for a full afternoon—about 3 to 5 hours. This allows time for careful disassembly, thorough cleaning, and methodical reassembly. An experienced mechanic in a shop can typically complete the job in 2 to 3 hours.

Q: Can I drive my Challenger with a clicking noise and an intake leak? A: You can drive it, but it's not advisable for long. A vacuum leak causes the engine to run lean, which can lead to poor performance, reduced fuel economy, and potentially damage the oxygen sensors or catalytic converters over time. An associated oil leak also poses a minor fire risk if oil drips onto hot exhaust components. Address it as soon as possible.

Q: Is this a common issue on the 2010 Challenger? A: Yes, based on owner reports across many forums, failing intake manifold gaskets on the 5.7L Hemi engine are a well-documented common issue. The plastic manifold and rubber gaskets are wear items that degrade with age and heat. As one owner succinctly put it after their fix, the repair resolved their oil leak and smooth operation returned.

Q: DIY vs mechanic - what's recommended for this fix? A: This repair is very accessible for a confident DIYer with basic mechanical skills. The steps are logical, no special tools are required beyond a torque wrench, and the cost savings are substantial. If you are comfortable changing your own oil and spark plugs, you can likely handle this. However, if the idea of disconnecting the fuel line or dealing with numerous electrical connectors is intimidating, or if you lack the time and tools, then paying a professional is a reasonable choice for a guaranteed job.

Q: Could the clicking noise be something else? A: Absolutely. While the intake leak is a prime suspect, especially with an oil leak, other causes exist. The "plastic pieces" owners mention could refer to loose underbody panels or wheel well liners rattling. Worn suspension components like "control arms" can cause clicking over bumps. A failing accessory pulley or tensioner can also create a rhythmic click. This is why proper diagnosis is key before starting any repair.

Q: After fixing the gasket, my engine still runs rough. What's next? A: If the vacuum leak is fixed but issues remain, further diagnosis is needed. The engine computer may need to relearn its idle parameters; sometimes disconnecting the battery for 15 minutes after the repair can help. If not, other common culprits on higher-mileage examples could be dirty fuel injectors, worn spark plugs, or a failing coil pack. A professional scan tool can check for pending trouble codes that might point you in the right direction.