Earlier versions utilized 27 input shafts known to break due to the inability to withstand much torque. The 700R4 transmission was manufactured by general motors in 1982 and had since had many updates to improve it. It’s specially built for heavy-duty 4×4 trucks and is regarded one of the best off-road transmissions ever. This K case 700R4 is stronger and utilizes a thicker transfer case. The stamped K is even visible on the 700R4 transmission diagram. It has another version called the K case 700R4 and was particularly differentiated from the ordinary one by stamping K on the transmission case. It is built with cast iron, which makes up for its toughness, yet lightweight with its transfer case housing 16 bolts. Thus, allowing large and performance cars more affordable to use since they now consume less fuel. The 700R4 featured an overdrive 4th gear which is responsible for the 30% increase in fuel efficiency compared to the TH350. Without transmission fluid, the 700R4 weighs 170 pounds and is about 23.5 inches long. The 700R4 transmission fluid capacity tops at about 11 quarts. It uses four forward gears and one reverse gear and works only with recommended transmission fluid known as the DEXRON VI. And also became a better option for older General Motors utilizing the rear-wheel drive. And came a replacement for the former three-speed TH350 automatic transmission. The 700R4, otherwise called the Turbo-Hydramatic transmission, is a 4-speed hydraulically operated automatic transmission built for sports cars and bigger trucks and vehicles.
Image credit: 700R4 Transmission Explained But first, let’s see the transmission in detail. This includes how it has evolved, its flaws, solution to its problems, cars featured with it, etc. In this article, we relate valuable information about the 700R4.
700R4 TRANSMISSION LINES DRIVERS
It became very popular because of its ability to boost fuel economy no wonder it became a good choice for performance vehicles and big trucks that usually will consume more fuel.Īside from being fuel-efficient, it also performs with so much practicality, giving drivers the push they need. Use the first part of the double flare process to put a slight bump flare on the line ends when using rubber hose anywhere in the line.ĭoing a single flare puts the sharp metal edge of the hard line solidly against the rubber hose where it can eventually cut its way thru the rubber hose and cause it to fail.Īlso a bump flare is much easier to put the hose onto without damage as it has a smooth edge profile.One of the most widely used automatic transmissions, especially among older cars, is the 700R4 transmission made by General Motors. Oh yes.about flaring your hard lines slightly to keep rubber hose in place. (Not saying yours can't.just that you need to know for sure!) You may actually need to rethink your entire hard tube system.or go with a less eye appealing flexible hose that can accept a clamp joint. Your hose choice should be the deciding factor in how joints are made. Is it conformable to being forced over a bump flare on your metal lines and clamped or is it really meant to use some form of mechanical joint?
My concern would be the liner material inside the SS hose your hoping to use. You can add a trans cooler with properly rated rubber hose as a joiner. I don't think there's too much pressure in the lines.
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