It does sound like you just have a linkage problem here as well. You can also send an email to our pro for direct assistance! The sensor sends pulse train signal to the speedometer module and there it drives the speedometer and is divided in frequency by about 7 and feed to the computer and the cruise control. The truck runs great and ive had this trany rebuilt twice and it seems to mess up right after the warranty goes out. Automatic transmissions are a mystery to most. Worn bands and clutches will cause the harsh shifting you are experiencing but that would probably be best diagnosed by a transmission specialist.
It may simply be that your new transmission needs some time to wear in, as this can take 1000, to 1500 miles for a new transmission. For any further transmission problems or helpful how-tos come on back to Ford-trucks. After it gets hot 180 degrees it shifts hard into all four gears. First, if you are parked on a hill it will likely be difficult to shift it out of park. Step 4 — Check the Selector Lever Linkage Look at the length of the linkage and check for any crimping, binding, or other obstructions. I will be bringing it back to the dealership tomorrow and hopefully getting a new truck because this is ridiculous. The problem is mainly related to water intrusion from a poor connector seal.
Do you have any recommendations. So as I start my car its fine no problems but when I drive off the first two gear changes my car jerks when it hits each gear. If there is debris from old fluid or wearing parts in your transmission fluid these valves may be sticking open causing the late shift. The van was dying out while still in motion. If this circuit fails line pressure should go to full at all times. A problem with the 1-2 accumulator could cause a harsh or delayed 1-2 shiift.
If one of your taillights are out or turn signals this can be causing this problem. I will never own another ford in my life. The following are common symptoms and their likely causes. What could be the problem? Low transmission fluid can cause hard shifting or slipping gears. I noticed my transmission shifting hard from park to drive and also into reverse. If you have the time to accelerate slowly the transmission shifts with no problem.
BlueDevil products are safe for your vehicle and can remain in the system until your next fluid change. You can learn more about BlueDevil Transmission Sealer here:. It was a great idea to get your transmission fluid and filter changed and to keep up with the regular maintenance of your vehicle. The taillights n some tranny wires are ran on the same circuit. Depending what your problem is, we may be able to help. Look to see if any of the teeth have been notched from debris floating around in the diff.
Second your line pressure solenoid may be malfunctioning causing unusually high pressures in your transmission which would make it shift hard so you can try replacing that solenoid to see if it solves your problem. Your transmission should have 2 lines running through your radiator or an auxiliary cooler to help keep temperatures down. Can the final drive ratio be affected by anything in the transmission? Very small movements can make a large difference so adjust it slowly. Could it just need some lube? If that cable is out of adjustment or the valve is stuck it can cause your truck to over rev or not go into gear. Thanks again for your questions! I then filled the fluid again, kept going and it still had the problem. For added convenience, you can choose our Same Day Store Pickup to get your new parts immediately. Many mechanics will quickly tackle a timing belt job or a head gasket replacement, but when it comes to transmission problems even the most seasoned mechanics often shy away.
In an automobile transmission, there usually are two sets of planetary gears. Unfortunately, problems like that are difficult to diagnose so you might need to take your Tahoe to a transmission specialist or the dealer. Strange Noises The noisiest part of your transmission is actually the fluid pump. It sounds like you just have air stuck in your clutch system that needs to be removed so the clutch system can work properly. Thx again for the great advice from everyone. It will stay in first for the entire time it should be in second, and then go immediately to third. Also the line modulator valve can cause intermittent harsh shifts, but generally it would happen on more than one gear change.
Great job in keeping it running up until this point! Feel free to contact us at 888-863-0426 with any questions. A transmission that is shifting too hard generally has a problem with its fluid pressure. Great job getting it past 200,000 miles! Seems worse when the engine is warmed up and running for a while. Based on the frequency of the problem and the fact that you just had work done for your wiring harness our best guess is that the problem is an electrical problem with your transmission. Just ordered factory book and I'm thinking it might be accumulator spring piston? If you have the proper fluid level and it has been changed at the factory recommended intervals, it is possible that the 2nd to 3rd gear shift is getting worn. Post any Codes found here.
When you get back in, start your car, put it in reverse, and then release the emergency brake. If you find a low transmission fluid level, add the proper type of fluid and BlueDevil Transmission Sealer to stop the leak and keep your transmission fluid level normal. The other thing we would recommend doing is checking with the shop that rebuilt your transmission. Transmission shifts hard into second and only after the rpms have gone very high. The first thing to check would be the kickdown cable adjustment. Driving with this cable out of adjustment can cause premature wear on your transmission so you should look into having it adjusted as soon as possible. A bad pressure regulator valve can cause line pressures in your valve body to run high or low.
Normally this is caused by a transmission slip code. Ford Explorer 5R55S Transmission Solenoid Pack Replace - Duration:. One day on my way to work I lost all my gears. One owner family truck ford F 150 1997. This is because an automatic transmission uses small clutches and bands to engage the gears rather than shift forks and collars like a manual transmission. It would be worth stopping by a dealer or transmission shop to have them check the fault codes to give you an idea of where to start.