A Guide to the Transmission Filter Kit for the 2004-2008 Chrysler Crossfire
Keep your Crossfire's Mercedes-built transmission shifting smoothly with the correct service parts.
- The automatic transmission is a Mercedes-Benz 722.6 (NAG1), which requires specific parts and fluid.
- Prioritize kits that include the electrical connector sleeve to fix a very common and potentially damaging fluid leak.
- Only use transmission fluid that meets MB 236.10 or 236.12 specs; using standard ATF+4 will cause damage.
- A filter and fluid change is preventative maintenance that should be done every 40-60k miles, not just when problems arise.
Is Your Transmission Telling You It's Time for a Service?
Your Crossfire's transmission is a strong unit, but it needs regular maintenance to last. A clogged filter or low fluid can cause serious problems. If you notice any of these signs, a new transmission filter kit might be what you need.
- Harsh Shifting: The car jerks or clunks when it changes gears.
- Delayed Shifting: There's a long pause before the car goes into gear after you move the shifter.
- Slipping or Hesitation: The engine revs up, but the car doesn't accelerate properly, especially between shifts.
- Limp Mode: The transmission gets stuck in one gear (often second gear) to protect itself from damage.
- Fluid Leaks: You see reddish fluid spots under your car. While this could be the pan gasket, it's very often a small part called the electrical connector.
A Common and Critical Leak Point
The 2004-2008 Crossfire has a well-known issue where the transmission's electrical connector leaks fluid. This part is a plastic plug with o-rings that seals the wiring going into the transmission. Over time, the o-rings get old and crack, allowing fluid to seep out. This leak is often mistaken for a bad oil pan gasket. Worse, the fluid can travel up the wiring harness and damage the expensive Transmission Control Module (TCM). 🎬 See how oil in the TCM causes P0715 error codes. A Technical Service Bulletin (TSB #2100205) was issued for fluid wicking in this area. When shopping, it is highly recommended to choose a kit that includes this electrical connector sleeve.
Choosing the Right Aftermarket Transmission Filter Kit
Not all kits are the same. For the Crossfire's Mercedes-based transmission, quality matters. Here’s a breakdown of the brands available.
- OEM (Mopar): These are the parts sold by Chrysler dealerships. They are made to the original factory specifications and offer a guaranteed fit. While reliable, they are often the most expensive option.
- OEM-Quality Aftermarket (Elring): Elring is a German company known for making parts for European cars like Mercedes-Benz. Their kits are considered to be very high quality and are an excellent alternative to dealer parts, often providing the same performance for less money.
- Premium Aftermarket (Wix): Wix is a well-respected brand known for making high-quality filters. A Wix kit is a solid choice for this repair and will perform reliably.
- Standard Aftermarket (ATP, Premium Guard): These brands offer a good balance of quality and price. They meet or exceed the basic requirements for fit and function and are a dependable option for owners on a budget.
Pro Tip: Prioritize a kit that includes the pan gasket, filter, and the electrical connector pilot bushing/sleeve. 🎬 Watch: Pro tips for removing a stuck transmission plug adapter. Replacing all three parts at once is the best way to prevent future leaks and problems.
Cost of Replacing Your Transmission Filter Kit
The cost depends on whether you do the job yourself or hire a professional mechanic. The parts themselves are affordable.
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Kit | $32 - $70 |
| New OEM (Mopar) Kit | $50 - $90 |
| Shop Labor | $150 - $250 |
Frequently Asked Questions
How often should I change my transmission filter?
For the Mercedes 722.6 transmission in your Crossfire, it is recommended to change the fluid and filter every 40,000 to 60,000 miles as preventative maintenance. Don't wait for problems to appear.
What kind of transmission fluid should I use?
This is critical. DO NOT use regular ATF+4 fluid. Your Crossfire requires a fluid that meets Mercedes-Benz specifications like MB 236.10 or 236.12. Look for fluids like Shell ATF 134 or others specifically labeled for the NAG1 or 722.6 transmission. Using the wrong fluid can cause severe transmission damage.
Is this a difficult job to do myself?
For a DIYer with some experience, this job is manageable. It involves draining the fluid, removing the transmission pan, replacing the filter and gasket, and refilling with the correct amount of fluid. 🎬 Watch: Complete guide to changing your transmission fluid and filter. The main challenges are making a mess with the fluid and correctly measuring the new fluid level, as the car does not come with a transmission dipstick (it's a special tool).
Do I need to replace the electrical connector if it's not leaking?
It is highly recommended. The part is inexpensive, and the o-rings are known to fail with age. Replacing it during a filter service is cheap insurance against a future leak that could lead to a much more expensive repair if the fluid damages your TCM.
Are there any recalls for this issue?
No, there are no safety recalls for the transmission filter, pan gasket, or the common electrical connector leak. There was a TSB issued to help technicians diagnose the leak, but the repair is not covered by a recall campaign.
Helpful Videos
Technical Specifications
OEM Part Numbers: 52108304AA 1402770095
Fits Mercedes-Benz 722.6 (NAG1) 5-Speed Automatic Transmission.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chrysler Crossfire: