Instructions for replacing the spark plugs on the Dodge Avenger 2.4 liter I4 engine - model years 2011 to 2014 (2023)

Spark plug replacement guide for Dodge Avenger engines
How to change the engine spark plugs on the 2011-2014 Dodge Avenger with the 2.4 liter inline four engine.

Avenger Dual-VVT 2.4L I4 Pull off the plastic engine cover Ignition coils exposed This vehicle maintenance tutorial was written specifically to help owners of the updated (2011, 2012, 2013 and 2014) Dodge Avenger sedan check or change the spark plugs in the Chrysler GEMA 2.4L I4 World Engine.

Owners of other Chrysler Group vehicles equipped with the 2.4-liter I4 engine, such as B. Sebring, 200, Caliber, Journey, Jeep Compass and Patriot may also find this DIY guide helpful.

The OEM spark plugs for an Avenger with the "PZEV" (Partial Zero Emissions Vehicle) version of the 2.4 liter I4 engine that includes additional emission control systems are NGK Platinum #ZFR5AP(92041).

If you have the standard 2.4 liter I4 engine the OEM spark plugs are NGK Nickel #ZFR5F-11.

Some other compatible spark plugs with their part numbers are the following: NGK Platinum PZFR5F-11, NGK IridiumZFR5FIX-11, Autolite IridiumXP5224, NGK Platinum ZFR5FGP, Denso 5303, NGK Iridium IZFR5G, Denso Platinum (3246) PKJ16CR-L11), Autolite Platinum AP5224, Champion Iridium RC12WMPB4 und Pulstar Iridium be1i.

Please verify the correct replacement parts for your Avenger by using theAmazon parts finderWebsite. The correct spark plugs may vary by model year, trim level and engine type (2.4L I4 or 3.6L V6).

If you plan on keeping your Avenger for any length of time I would recommend getting platinum or iridium tipped spark plugs which can easily last over 100,000 miles. The OEM nickel tipped spark plugs for the non-PZEV 2.4L engine must be replaced every 32,000 miles or every 24 months. The owner's manual specifies a much longer replacement interval of 104,000 miles or 78 months for the OEM platinum tipped spark plugs.

The tools required for this procedure include aTorx T-30Star bit screwdriver, a5/8" spark plug socket, a 6" extension rod, a 3/8" ratchet wrench, some dielectric grease, a spark plug gap gauge, 4 new spark plugs, and (optional) anti-seize lube. (Most spark plug manufacturers do not recommend using anti-seize lubricant as it can cause over tightening.)

(Video) How to Replace the spark plugs on the Dodge Avenger 2008 - 2014

Spark plug ignition coil Press the release button Unplug the power cord The first two steps are to open the hood and then carefully peel off the plastic engine cover.

The engine cover is held in place by four rubber friction locks that attach to pins at the top of the engine. Put the cover in a safe place.

If you have access to compressed air or a wet/dry vacuum, thoroughly clean the top of the engine to prevent debris from falling into the spark plug wells.

Press the release tab on the light gray electrical connector and slide straight off the ignition coil.

Remove ignition coil screw Torx T30 screw removed turn the ignition coil Remove the single screw on the ignition coil by turning it counterclockwise with a Torx T30 star-bit screwdriver. Put the screw in a safe place.

I would recommend that you check or replace one spark plug at a time to further reduce the risk of something falling into the cylinder.

Gently rotate the ignition coil back and forth a few times to ensure the rubber boot is not sticking to the top of the old spark plug.

Pull out the ignition coil spark plug good 5/8" spark plug socket Lift the ignition coil straight out of the spark plug well and set it in a safe place.

hang on5/8" spark plug socketto a 6" extension rod and a 3/8" ratchet wrench.

Attach the socket to the old plug Loosen wrench - unscrew Lift out the old spark plug Lower the bushing into the well and attach it to the old spark plug.

Carefully loosen the old spark plug by turning it counterclockwise.

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If you cannot loosen the old spark plug, do not use excessive force to avoid breaking the ceramic part of the plug.

Spray a small amount of penetrating oil like PB Blaster, Liquid Wrench, or Kano Kroil and wait at least 15 minutes or more before trying to loosen it again. If you don't have penetrating oil, try spraying some WD-40 or warming up the engine for a few minutes to expand the metal engine block.

Once the spark plug is loose, loosen the ratchet wrench and use the extension rod to unscrew it by hand.

Lift the old spark plug out of the well and pull it out of the socket.

If the rubber insert comes loose from the spark plug socket, pull it off the end of the old spark plug and reinsert it into the socket.

Check the old OEM connector Insert the new spark plug Screw in the new plug by hand Check the old spark plug.

If the end of the old spark plug looks flaky, the plugs may have been exposed to high temperatures such as overheating, or they may have the wrong heat range for your driving conditions or environment.

On the other hand, if the old spark plugs are dark gray or covered in black soot, the engine may be burning oil and should be checked by a professional mechanic.

(Video) 2008 Dodge avenger 2.4L spark plug change

An optional step is to apply a small amount of anti-seize lubricant to the top metal threads of the new spark plug. This makes the plugs easier to remove if they are not changed for another 40,000 miles. Do not get anti-seize on the electrode tip at the bottom of the new spark plug. Some spark plug manufacturers recommend thisnotUse anti-seize grease as this can cause over tightening.

Applying anti-seize to the threads of the new spark plug will require less force to tighten.

Check the electrode gap on the new spark plug with the electrode gap gauge. TheNGK ZFR5APPlatinum tipped spark plugs should be pre-set at the factory to 0.031 inchNGK ZFR5F-11Nickel tipped spark plug should have a gap of 0.043 inch. If the gap is not correct, the new candle may have been dropped, damaged in shipping, or broken and should be replaced with a new one.

Slide the new spark plug into the socket and carefully lower it into the well. Your spark plug socket should have a rubber insert or strong magnet to hold the plug securely in place.

Screw in the new connector with the extension rod by hand until it makes contact with the engine block.

Install wrench - tighten plug Apply dielectric grease Lower ignition coil Attach the ratchet wrench to the extension rod and tighten the spark plug clockwise to just past the point where you feel the blasting washer collapse.

Do not overtighten the spark plugs to avoid cracking the ceramic body or tearing the aluminum thread.

Make sure the new spark plug is securely in place before proceeding with the next steps.

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Apply a small amountdielectric greaseup to the opening of the rubber sleeve at the bottom of the ignition coil. The dielectric grease helps keep moisture out and provides better electrical contact.

Lower the ignition coil into the well and over the new spark plug.

Twist to distribute fat Reinstall the T30 screw Tighten the screw clockwise Rotate the ignition coil back and forth a few times to distribute the dielectric grease.

The dielectric grease helps keep moisture out and provides better electrical contact.

Put those in againTorx T-30screw into the ignition coil and tighten clockwise until it stops.

Try not to overtighten the screw to avoid breaking the plastic ignition coil.

Press on the electrical connector Spark plug replaced Slide off the engine cover Push the mains plug onto the ignition coil until it clicks securely into place.

Align the plastic engine cover and slide it back over the engine.

Start the engine and listen for unusual noises that may indicate a problem, such as B. a loose electrical connector or a faulty connector.

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Be sure to note the spark plug change in your vehicle's maintenance records.

See my other for more information.


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