Turbo 400 transmission problems. turbo 400 shift problems 2019-02-01

Turbo 400 transmission problems Rating: 5,9/10 1431 reviews

TH400 Transmission, Turbo 400 Transmission, TH400 Monster Transmission, Turbo 400 Monster Transmission, eat my shift, Monster Transmissions

turbo 400 transmission problems

It was introduced for the 1965 model year and made its debut in Cadillacs, and is respected for its durability and adaptability. Later models used a circular style iron adapter which is generally considered the stronger of the two. The Chevy Turbo 400s are available for Buicks, Pontiacs, and Oldsmobiles, as well. About a week later my brakes locked up and had to replace everything. Is this something I can just drop the pan, pull the filter and remove the valve body from beneath the vehicle? I always just put two of the bolts through the valve body and laid the gasket on top the bolted it up to the tranny.

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TH400 Specs, Info, and Identification

turbo 400 transmission problems

The 4L70E transmission is the same as a 4L65E with a speed sensor located in the pump. How could this of caused just the 2nd gear clutches to burn up? In 1990, the Turbo Hydra-Matic 700R4 was renamed the 4L60. Withdraw the transmission's dipstick underneath the hood with the engine running, then check the fluid level on the dipstick. Can someone please explain how these transmissions shift, perhaps outline a procedure for troubleshooting this problem, and possibly offer an opinion as to what might be the most common explanation for my problem? Everybody has their own idea of the perfect transmission, and in many cases they may be accurate depending on their application. Just shifting the lever into 2nd doesn't do anything. Leaving the kickdown solenoid unhooked is fine.

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Diagnosing GM Transmissions

turbo 400 transmission problems

I was working near it but I don't believe that I hit it or stressed it. I will let them all know about you guys. . Verified Buyer: Tom Pruitt Shift Better, Last Longer When it comes to transmissions, no other company provides this level of commitment to their clients. I have a turbo 400 that I got from a friend of a friend that said it was rebuilt. Not only will this information help extend the life of your transmission, but it should help your car perform better as well. If the transmission has enough fluid, the vacuum modulator could be defective, the modulator's valve may be sticking, or the oil strainer may be plugged or leaking.

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TH400 Transmission, Turbo 400 Transmission, TH400 Monster Transmission, Turbo 400 Monster Transmission, eat my shift, Monster Transmissions

turbo 400 transmission problems

Four wheel drive truck applications used 3 various shorter output shafts that coupled with a female transfer case input shaft. When ordering the torque converter you must supply the four digit code off of the existing unit located on a sticker. Left the wire off the trans, and went for a drive. The 200-4R was configured with several different torque converters and gear ratios depending on the vehicle application. I guess this tranny has a low first gear and a high overdrive. Take some brake parts cleaner with you if you really want to get a good look at it.

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Turbo 400 shift Problems

turbo 400 transmission problems

But, I also find it easy enough to shift it down a gear, blip the throttle like you would on a stick, and it works. If so, the face of the plates will appear burnt. Remove the heat extened the transmissions life. The filter is found in this area of the transmission. Try just getting it good and warm a few times. I am in Boston right now getting ready to drive to Kansas. Good news is it shifts now.

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TH400 Tranny problem (shifting only at high RPMs)

turbo 400 transmission problems

But I am going to the track saturday to test and tune my car hopefully with a second gear now. In 1995, the 4L60E received a -controlled lockup converter. I googled the symptom and came to the conclusion it needs a pump. I wish I could tell yall more about the internal parts and the condition they were in but I was not there to see it, I just dropped the whole car off and picked back up. From experience, I could tell somebody already was in there and what changes did he make, plus the list of special tools was long and forgetting one ball bearing can be a lot of work taking it apart again. Have you ever heard a knock or a rattle sound coming from under your bellhousing? Also know about money being raised with six brothers and sisters in a fatherless home, five years in the military and another five years working during the day and going to college at night with two court ordered younger brothers to support when our mom died at an early age.

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Turbo 400 Transmission (TH400): Specs and Parts

turbo 400 transmission problems

It''s installed in my truck and it works great. There is no externally visible way to determine whether the transmission contains the straight-cut planetary gear set. It won't downshift til you open the throttle. Also, if it is strong, then that indicates possible modulator trouble. Beattie Mark, Scott, and J.

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Turbo 400 modulator problem?

turbo 400 transmission problems

Turbo 400 Performance Specs The Turbo 400 is rated conservatively at peak torque of 450 lb-ft. The solenoid is inside the transmission. . Although the Turbo Hydra-Matic name alludes to the original Hydra-Matic developed by General Motors' Cadillac division in the late 1930s, the two transmissions were not mechanically related. The bolt on bellhousings used on the 4.

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Turbo 400 TH400 Transmission High Performance Race Transmission Tail, Racing Th400, Race Th400, Racing Turbo 400, Performance Th400

turbo 400 transmission problems

This 2 piece case style was first seen in 1996 and up model , S-10 Truck, , and with the 4. If you drop the pan, check all the control valve cover bolts for looseness of even a dropped screw, was lucky once and that was the problem, you can see the edge of the gasket to make sure it is intact. Can unplug it and see if it makes a difference. In its original incarnation as the Turbo-Hydramatic 400, it was first used in the 1964 model year in. If you count 13 you are almost home free, but the Th350 also has 13. Hedmen Headers, the Trans is a Turbo 400 which was rebuilt 500 miles ago and the issue did not go away. Is that part likely bad? While the vacuum modulator is a possibility and easy to change, not the only problem for delayed upshifts, can be low fluid pressure, detent solenoid, governor assembly, valve body assembly, valve body spacer plate, or restrictions in the transmission case itself.

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350 Turbo Transmission Troubleshooting

turbo 400 transmission problems

While they came from the factory with hard lines, many people will swap them out for soft lines when doing a swap, since finding a hard line for the particular vehicle can be an issue. Mark brought it to our attention that the factory flexplate has tendencies of flexing hence its name , and can be responsible for developing a crack or two overtime. This can be caused by bad vacuum line, crud built up in fitting at motor, Bugs built nest in line after it was disconnected for awhile. I never drove mine around long enough with the vacuum modulator disconnected to realize the difference in downshifting, but good to know. Overall, the Turbo 350 is a dependable transmission that is basic, easy to repair, and not to mention, affordable for just about anyone.

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