![]() The 700R4 upon its launch featured a 27 spline input shaft (also found on the THM200C and 2004R transmissions). On the other hand, this problem can easily be avoided by installing an auxiliary transmission cooler. The overheating of the ATF could cause damage to the internal components of the car. Usually, the vehicles that use this transmission produce high power output and are put to extreme use, which could lead to overheating. OverheatingĪ notable issue of the 700R4 transmission is overheating. Like other automatic transmissions, the 700R4 transmission problems are also evident in certain cases. Nonetheless, you can expect a max engine torque around 350 lb-ft and a max gearbox torque of 650 lb-ft. The torque that can be handled by a 700R4 transmission varies depending on its production year. Besides, a 30% overdrive brings about enhanced fuel economy, a reason that can also be attributed to the popularity of the 700R4. ![]() Its lower first gear ratio provides excellent performance for low vehicle speeds. The 700R4 transmission first gear, second gear, third gear, fourth gear, and reverse gear are 3.06, 1.63, 1, 0.7, and 2.9 respectively. The transmission case was stronger and thicker since it was designed for heavier 4×4 trucks used for off-roading. That aside, there was a K-case 700R4 transmission, and this was the 700R4 with the label K on its case. This transmission can store about 11 quarts of transmission fluid and its recommended fluid is DEXRON VI. External dimensions are the same as that of a THM350 with a 9-inch tail housing as found in the GMC long wheelbase truck/vans.from the engine/trans surface to the output shaft housing mating surface. from the engine/trans mating surface to the cross member mount bolt. ![]()
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