Invariably allowing it to handle the torque of the high GM Gen small block V8. Subsequent models featured a stronger torque converter and input shaft measuring 300mm. The 4L60 manufactured between 1996-1999 was built with a newer belt housing bolt and a more powerful 6-bolt tail housing. Whereas applications with four-wheel drives were fitted with a more durable aluminum covering. It utilizes a small iron or plastic cover to cover the bell housing on vehicles with two-wheel drive. The 4L60 produced between 1993-1997 utilizes a one-piece case where the bell housing was wrapped inside the case. So literally, it was until 1997 that the 4L60e was phased into the market. However, in 1997 General Motors launched the electronic version of the 4L60, which is the 4L60e. The 4L60 came into the market commercially between 1993-1994 and was outfitted to vehicles such as Cadillac Fleetwood, Chevrolet Suburban, and GMC Sonoma. The name-4L60 emerged after General motors altered some components of its predecessor-the THR700RA. What does this mean? GM initially replaced the TH700RA in 1990 with the 4L60 operated hydraulically. However, the 4L60e wasn’t available until 1997. The 4L60e transmission is produced by General Motors(GM) and is a successor to the TH700RA, which was first produced in 1982. However, to conform to the OBD II regulations, they were converted to 1-2 shift solenoids and 2-3 shift solenoids. On earlier versions, they were named Shift solenoids A and B, with the PCM achieving four gear ratios by putting them on and off in a preplanned order. Particularly, the GM 4L60e transmission utilizes two-shift solenoids used by the ECU to shift gears. Thus, improving fuel economy and performance. So instead of using hydraulic pressure, it utilizes electronic solenoids and actuators to control the valves, clutch, and bands, allowing for proper timing of gear shifting. The 4L60e, as stated, is electronically operated. However, with the transmission fluid, it goes all up to 162 lbs.ĭepending on the size of the Torque converter used, the transmission can house a total fluid capacity of either 8.4, 11.4, or even up to 14 quarts. Before adding the recommended 4L60e transmission fluid, this transmission weighs 146 lbs.
It utilizes four forward gears and one reverse gear and has a vehicle weight rating of 6000 lbs. The 4L60e transmission is an electronically operated 4-speed transmission designed for vehicles with longitudinal engines. Image Credit: 4L60e transmission explained But first, let’s see the 4L60e transmission in detail.
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We will also discuss some common problems with the 4L60e transmission and how to fix them. So in this article, we will be talking about the evolution of the transmission, its price, and the cars using it. They deliver performance swiftly and are loved by many car owners though it has flaws. It’s one of the most versatile transmissions ever manufactured by General Motors and has since evolved. This is true because it’s one of the most common automatic transmissions in the US car market today. If you own a car with an electronically operated automatic transmission, chances are you have the 4L60e transmission.
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