There are several versions of the 700R4 transmission, including heavy-duty, super-duty, and Xtreme SS models. In 1993, the transmission’s hydraulic shifting system was replaced with electronic controls for the 4L60E version. In 1990, General Motors changed the name of the 700R4 to 4L60, which represented 4-speed, longitudinal, 6,000-pound gross vehicle weight rating. Overheating can also cause a warped valve body, which can be problematic when changing gears. ( 229 ) In Stock (more than 10 available) Estimated Ship Date: Monday. Slipping between 3rd-and 4th gears can occur when overheating weakens the metal of the clutch-pack disks, causing a problem with the clutch-pack that engages those gears. Automatic Transmission Cooler Lines, Flexible, Stainless Steel, 700R4, TH350, TH400, Pair.
Overheating is another common issue, though it can be avoided by installing an auxiliary transmission cooler. The transmission has several common problems, including a broken 27-spline input shaft in early versions of the 700R4 (after 1987, 30-spline shafts were developed to improve the reliability of the gearbox).
#700R4 TRANSMISSION COOLER UPGRADE#
It also became a popular upgrade for older rear-wheel-drive General Motors vehicles.
The 700R4 was GM's overdrive four-speed replacement for the three-speed Turbo350. Our Transmission Cooler Line kits include all lines needed to replace the OEM lines that run. The transmission was designed for trucks and large cars but is compatible with a variety of Chevrolet, GMC, Cadillac, Pontiac, Buick, and Holden vehicles between 19. Transmission Cooler Lines For 88-94 GM Truck w/ 700R4 Steel. It is a four-speed automatic transmission with overdrive and was introduced as a way to make V8-powered cars and trucks more efficient. 1981-87 Hard transmission line that connects automatic cooler inside radiator to the transmission. The General Motors 700R4 transmission was manufactured by Chevrolet in 1981 to run with 1982 model year vehicles.
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