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The major change to the 700R4/4L60 was the fully electronically controlled update in the 4L60 E.īeyond the Silverado, Chevy trucks have dotted American roads for over 100 years! We enjoy completing truck transmission repairs on Chevy trucks from any generation. This nomenclature remains in-place today for Chevrolet transmissions which are produced under the Hydra-Matic brand. In reality, these units are identical! The new name clarifies that the unit is a 4-speed, longitude transmission which rates for around 6,000lbs. This transmission was released in 1982 and in 1990 another transmission was introduced, the 4L60. Numerous Chevy trucks from the 1980s and 1990s remain on the road so our team continues to complete truck transmission repairs on older units including the 700R4 transmission. Truck owners might be demanding but they are very loyal to their trucks.
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This may explain why our team is beginning to see truck transmission failures at lower mileages compared to 5 and 10 years ago. Meeting this objective is awesome however it does not imply the transmission itself has greater endurance to tackle extreme applications demanded from some truck owners. As RPMs stay low, the truck achieves greater fuel efficiency. Trucks are asked to perform under tough conditions, yet it is important to remember the priority of transmission engineers: fuel economy! More gears allow for optimization of engine power. Even newer transmissions such as the 8L90 and 10L90 transmission have started arriving at our shops with issues. Compared to its predecessor, there was a material jump in electronics and overall complexity. In the last few years our team has increasingly worked on both the 6L80 and 6L90 transmissions. More recent Silverado trucks have evolved beyond the 4-speed 4L60E to transmissions with more gears. The big brother of the 4L60E/4L65E is the 4L80E transmission which is found in trucks, SUVs and vans with larger engines, including diesels, or vehicles requiring more power and hauling capabilities. Our Certified Transmission Specialists have completed more 4L60E transmission repair work than any other team in Colorado! Its near identical twin is the 4L65E which has a few characteristics that allow for more heavy-duty transmission applications. The 4L60E transmission was introduced in the mid-1990s and continued to be used in new vehicles through 20. With over 12 million Silverado trucks on the road, it is not surprising to see this transmission so often. The transmission our team rebuilds the most is the 4L60E found in numerous Chevy vehicles, most notably the Chevy Silverado.