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Despite its name, the 4L80E is not an upgrade to its GM counterparts. Introduced alongside the original 4L60 in the early 1990s, the 4L80E is designed for large trucks and is designed as a heavy-duty unit rather than a transmission for smaller cars or even some pickups. Applications that use this transmission include the 8.1 L Avalanche, the Tahoe, and the Hummer. Monster provides various performance ratings in our transmissions, including the StreetMonster and SportMonster.
The 4L80E Transmission is a favorite among car enthusiasts and professionals alike. Known for its robust design and versatility, the 4L80E is commonly found in high-performance vehicles and heavy-duty applications. However, like any mechanical component, it has its share of common problems that users should be aware of.
Torque Converter Issues: One of the most common problems with the 4L80E transmission is related to the torque converter. Drivers often report shuddering or vibration during acceleration, indicating a failing torque converter.
Solenoid Failure: The 4L80E transmission relies on solenoids to regulate the flow of transmission fluid. When these solenoids fail, it can result in erratic shifting or a complete inability to shift gears.
Overheating: Like many high-performance transmissions, the 4L80E can suffer from overheating issues, especially under heavy load conditions. This can lead to a breakdown of the transmission fluid, resulting in poor lubrication and increased wear and tear on internal components.
Slipping: Another common issue is gear slippage, where the transmission unexpectedly shifts out of gear or fails to engage properly. This can be particularly dangerous and is often a sign of internal damage or wear.
Leaking: Leaks are another frequent problem with the 4L80E transmission. These leaks can occur at the pan gasket, seals, or cooler lines, leading to low fluid levels and subsequent transmission damage.
At Monster Transmission, we understand the frustrations that come with transmission problems. That's why we offer our specially designed 4L80E transmissions, built to address these common issues and exceed your performance expectations. Here’s why you should consider our Monster Transmission 4L80E:
The 4L80E automatic transmission uses 4 forward gears and one overdrive gear. Here is the gear ratio of the 4L80E transmission:
You can identify the 4L80E transmission using its unique RPO tag in the vehicle’s glove compartment. Here are some GM transmission RPO codes you should know:
4L80E — MT1
4DRP, 4CLP, 4BLP, 4ARP, 4AIP, 4CJP, 4CRP, 4BRP, 4ALP, 5DRP, 5CLP, 5BLP, 5ARP, 5AIP, 5CJP, 5CRP, 5BRP, 5ALP, 6DRP, 6CLP, 6BLP, 6ARP, 6AIP, 6CJP, 6CRP, 6BRP, 6ALP
19431742, 24270749, 24279064, 19333281, 24256570, 24261979, 24261980, 24261981, 24261982, 24261983, 24261984, 24261985, 24261986, 24261987, 24261988, 24261989, 24261990, 24261991, 24261992, 24261993, 24261994, 24261995, 24261996, 24261997, 24261998, 24261999, 24262000, 24262001, 24262002, 24262003, 24262004, 24262005, 24262006, 24262007, 24262008, 24262009, 24262010, 24262011, 24262012, 24262013, 24262014, 24262015, 24262016, 24262017, 24262018, 24262019, 24262020, 24262021, 24262022, 24262023, 24262024, 24262025
While the 4L80E transmission is a powerful and versatile choice, it does come with its own set of challenges. By choosing a Monster Transmission 4L80E, you’re not only getting a product that addresses these common problems but also one that comes with a host of additional benefits and peace of mind. Experience the difference with Monster Transmission – where quality, performance, and customer satisfaction come together.
How do I know if my transmission is a 4L80E?
Look for the RPO code MT1 in the glove box or service manual. The 4L80E also has a distinct 17-bolt oil pan and large case size. You can also reference tag IDs such as 4DRP, 5CLP, 6ARP, etc.
What are common symptoms of a failing 4L80E transmission?
Watch for harsh or delayed shifting, torque converter shudder, gear slippage, overheating, or fluid leaks. These symptoms can signal early-stage failure or worn internal components.
Can the 4L80E be used in a performance build?
Absolutely. The 4L80E is one of the best automatic transmissions for high-horsepower and towing builds, especially when upgraded with billet internals, high-stall converters, and shift kits.
What type of fluid does the 4L80E use?
We Recommend using a Universal Full Synthetic like this one MONSTER ATF
What makes the 4L80E different from the 4L60E?
The 4L80E is physically larger, stronger, and built for higher torque applications. It features a heavier-duty gearset, bigger clutch packs, and a more robust case design. It’s not a drop-in swap for a 4L60E.