Turbo 400 Performance Specs The Turbo 400 is rated conservatively at peak torque of 450 lb-ft. Always have a magnet stick incase you drop parts into the oil pan also. If I can find a used trans with this on it, great. This page is documenting what I have learned about this swap as I worked through the process. Materials and Size The Turbo 400 is primarily constructed of cast aluminum, with the bell housing being integrated into the transmission and also made of cast aluminum. The Humvee in question could be altered from original condition though.
Whatever the measurement style you use, make 100% sure that your measurements are clearly understood by the shop you are working with. All four of the overdrive transmissions allow for the use of a lockup torque converter, so there is no advantage for any of the transmission designs here. Many people have tried to find a place to install it or though it might be the cause of some abnormality, but alas, it's has no current function. Are you having problems fixing a 3L80 transmission? Next is the transmission bellhousing bolt pattern. If the slip yoke is too far away from the transmission, it could fall out of the transmission under full suspension rebound wheels at full droop , become loose and damage the output shaft of the transmission or the oil seal, or all of the above. Later models used a circular style iron adapter which is generally considered the stronger of the two.
Once you get your transmission installed and settled down onto the mounts, you will need to work with your favorite local driveshaft shop to get the proper work done. Also, the automatic uses a torque converter to transmit power from the engine into the transmission, and is a fluid coupling and therefore does not transfer 100% of the power mechanically as a clutch in a standard will. I'm not trying to be curt, but there is a big difference between diagnosing a problem in a stock configuration and one that has been modified or repaired. · I just wasted my time and money. With external leaks, the additive will not cure gaps , such as loose pump bolts, worn bushings, cracks in the case, bad gaskets, etc. · Remove the oil level control plug. The converter is more expensive, but you'll save that back in gas mileage and reduced wear and tear on the engine and transmission.
It was not only used in General Motors applications, but was also used for many luxury cars. If you're the person who always finds these sorts of gems for dirt cheap, feel free to write me and tell me how many you've found so I can be jealous. Last is the stock usage - this is a rough way to compare the power handling levels of these transmission in stock form. It can look a little dirty but you don't want it laquered or dark brown. Do not drive a vehicle with low or no transmission fluid Do have transmission fluid checked when having oil changed.
These are the ones I used. If caught early enough, the valve body wear can be repaired and the transmission will work well. Caution: Removal of the oil level control plug when the transmission fluid is hot may cause injury if fluid drains from the oil level control plug hole. If the slip yoke is too close to the transmission and does not have enough travel, you could bottom out the slip yoke at full suspension compression and break the transmission, bend the driveshaft, damage the rear axle, or all of the above. As far as general repair, the most reliable approach is to ask friends, co-workers, or members of any organization that you may belong to, who they use. In this case, the cooler tank in the radiator will have to be replaced as well as rebuilding the transmission.
When you pay too little, you sometimes lose everything, because what you bought was incapable of doing what it was bought to do. So it's definitely something you want. I think my transmission is shifting from 2nd to 3rd D too early. The pressure produced by the pump is what makes the whole enchilada work. When it shifts from 1st to 2nd its got a really smooth shift and it puts a smile on your face.
This 3 speed transmission has its gear ratios defined as 2. It was introduced for the 1965 model year and made its debut in Cadillacs, and is respected for its durability and adaptability. Kurt Your problem may be with the engine not making power. Simple - add an auxiliary transmission cooler. The typical way to do this is to make the measurements with the transmission mounted as desired and the rear suspension at normal ride height.
Slipping is an indication of a major internal problem that will require a major repair to resolve. These are adjustable switches made by. In my case I am bolting the transmission to a Chevy engine, so I could use any of the transmissions without any problems. That being said, a common fill volume is between 11-12 quarts for a stock transmission. This is almost always cause by the vacuum line that runs to the modulator from the intake manifold. It was also used in the Yukon and Savana. Here is a good 5 minute video on how to go about this.
The majority of internal components are interchangeable. I would suggest that you try it out first to see how your original shifter works with your new overdrive transmission before you go nuts changing things. This transmission became well-known for its strength and was very popular, based on its life and the number of applications in which it was installed. Add fluid through the vent cap as necessary. With the transmission already out, this is a trivial project - 6 bolts to remove to get it off, yank the flexplate, situate the new one, then tighten down the 6 bolts with a touch of Loctite for good measure.