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Guide to the 2000 Saturn LW2 Transmission Filter Kit

Keep your Saturn LW2's automatic transmission shifting smoothly with the right filter kit.

4 minutes to read 2000-2000 Saturn LW2
Difficulty
2/5
Est. Time
1.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$100-$200
⚠️ Drivable, but... — You can drive for a short period, but you risk causing severe, expensive damage to the transmission if you ignore the symptoms.
Key Takeaways
  • The 2000 Saturn LW2 uses a GM 4T45-E automatic transmission which requires a specific filter kit.
  • Symptoms of a bad filter include harsh shifting, delays, and unusual noises.
  • Quality aftermarket brands like Wix and ATP are reliable and cost-effective choices for this vehicle.
  • Replacing the filter and fluid every 30,000-60,000 miles is crucial for preventing costly transmission repairs.
The transmission filter kit is vital for your 2000 Saturn LW2's automatic transmission. The LW2 uses a GM 4T45-E four-speed automatic transmission. This transmission creates tiny metal shavings and debris during normal operation. The filter's job is to trap these particles, preventing them from circulating in the transmission fluid and damaging sensitive components like the valve body and solenoids. A clean filter ensures that fluid flows properly, which is essential for cooling and lubricating the transmission's moving parts. A complete kit includes the filter and a new pan gasket to prevent leaks after service.

Is Your Transmission Filter Failing?

A clogged transmission filter can cause serious problems for your 2000 Saturn LW2. When the filter can no longer trap debris, or if it gets so full that it restricts fluid flow, you will notice changes in your car's performance. Ignoring these signs can lead to expensive transmission damage.

Symptoms of a Clogged Transmission Filter:

  • Harsh or Delayed Shifting: You might feel a jolt when the transmission shifts gears, or notice a long pause before it engages.
  • Slipping Gears: The transmission may unexpectedly slip out of gear while driving.
  • Whining or Grinding Noises: Unusual noises coming from the transmission area are a common sign of fluid flow problems.
  • Burning Smell: A burning odor can indicate that the transmission fluid is overheating, a possible result of a clogged filter.
  • Check Engine Light: Sometimes, a transmission issue will trigger a Check Engine Light, and you may find trouble codes related to shift solenoids or incorrect gear ratios.

Known Issues for the 2000 Saturn L-Series

While no specific recalls exist for the transmission filter itself, the 2000 Saturn L-series did have a recall related to the transaxle shift cable. An improperly seated clip could cause the gear selector to show 'Park' while the transmission is actually in Neutral or Reverse, leading to unexpected vehicle movement. Additionally, some owners have reported issues with harsh shifting that can sometimes be traced to electrical problems or failing pressure control solenoids within the transmission, underscoring the importance of clean fluid and a functional filter.

Choosing the Right Aftermarket Transmission Filter Kit

For a vehicle like the 2000 Saturn LW2, aftermarket parts offer excellent value. The quality of aftermarket filters has improved significantly, and for this specific application, they are a reliable choice. The main difference between brands often comes down to the gasket material and the filter media itself.

Aftermarket Brand Tiers:

  • Top Tier (Wix): Wix is a well-respected brand in filtration. They are known for using quality filter media and construction that meets or exceeds OEM standards. For owners who want extra peace of mind, Wix is a solid choice.
  • Mid-Tier (ATP, Premium Guard): ATP is a long-standing brand in the transmission parts industry and is considered a reliable choice by many technicians. Premium Guard is known for offering good quality at a value price point, often using modern filter media. Both are excellent options that balance cost and quality.
  • Standard Tier (Pioneer Cable): Pioneer offers functional replacement parts that meet basic requirements. These kits are a budget-friendly option that will get the job done for regular maintenance intervals.
Pro Tip: When replacing the filter, pay close attention to the pan gasket. Some kits come with a basic cork or rubber gasket, while others might offer a more durable reusable gasket. A quality gasket is key to preventing leaks after the job is done.

Estimated Costs

The cost to replace the transmission filter kit on a 2000 Saturn LW2 can vary based on the parts you choose and whether you do the work yourself or hire a professional.

ItemEstimated Cost
New Aftermarket Transmission Filter Kit$35 - $51
Shop Labor$100 - $200
Total Estimated Cost (Professional Installation)$135 - $251

Frequently Asked Questions

How often should I change my Saturn LW2's transmission filter?

For the 2000 Saturn LW2, it is a good practice to change the transmission fluid and filter every 30,000 to 60,000 miles. If you frequently drive in heavy traffic or tow loads, consider the lower end of that range. Regular changes are the best way to prevent major transmission problems.

Is this a difficult job to do at home?

For a DIY mechanic with some experience, changing the transmission filter is manageable. The process involves draining the fluid, dropping the transmission pan, replacing the filter and gasket, and then refilling with the correct type and amount of fluid. It can be messy, and it's important to torque the pan bolts correctly to avoid leaks.

What kind of transmission fluid does my 2000 Saturn LW2 need?

Always consult your owner's manual for the specific type of automatic transmission fluid (ATF) required. Using the wrong fluid can cause severe damage. Generally, vehicles of this era use a DEXRON-III type fluid, but always verify before adding new fluid.

Should I buy an OEM filter or is aftermarket okay?

For a 2000 Saturn LW2, a quality aftermarket filter from a reputable brand like Wix or ATP is perfectly acceptable and offers great value. The original GM parts may be harder to find and more expensive, with little to no performance benefit for a vehicle of this age.

Technical Specifications

OEM Part Numbers: 24208576 8685185 24203770

Fits 4T45-E Automatic Transmission. Kit includes filter and pan gasket.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Apr 6, 2026

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.

Year Coverage
This article covers the Transmission Filter Kit for:
  • Saturn LW2: 2000
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