Also code 67 said that neutral shifting indicator switch on the tranny was the problem,changed that a year ago also. You would see the tach bounce as well. They are just a quick away from helping you out. Step 4 — Check the Selector Lever Linkage Look at the length of the linkage and check for any crimping, binding, or other obstructions. A truck that won't shift into reverse isn't going to be of much use to anyone. The transmission revs high in all the forward gears.
I checked all fuses, flushed tranny and then changes filter and changed fluid, tried Lucas trans additive-nothing. All other shifts are fine. The truck has 180k on it. I can go through first, then second and will not shift any further, and soon it will again disengage. I scanned the computer and came up with a code 99 ecp circuit failure.
I have a 1990 ford f-150 with a 5. Here is a link to an article from this site that will show you how to run further diagnostic test on your transmission. Doctor, explores the causes of harsh shifting in automatic transmissions. The problem is mainly related to water intrusion from a poor connector seal. Jun 26, 2009 Hi Joe, what you need to do is go to a trans.
A problem with the line modulator valve could also cause this, but it would usually effect more than one gear. By doing that it ends up destroying your transmission! Why does it shift extremely hard. Please let us know what happens so it will help others. If you don't believe me drive down the highway at 60 mph and activate your hazard lights. Your first step should be to scan the computer for trouble codes. This results in a very firm shift.
All Ford trucks come with an info sticker in the driver side door jamb. If the filter is really dirty or clogged then just replace it. It would be worth your time to talk to a trans. I know how to do a modulator valve but it doesn't have one. This article will cover some of the ways you can diagnose and.
Odd things like problems with the taillights I've experienced this will cause the transmission to work in limp mode. A bad pressure regulator valve can cause line pressures in your valve body to run high or low. Its a 1990 Ford F150 4x4. Watch this helpful video and visit. A hard shifting transmission is a symptom of several other distinct issues. Here is the connector view from Alldata for a 2003 F-350. I was told the metal shavings could be the cause of the valve sticking? A will include major alterations and upgrades designed to make them both stronger and more durable.
The swap would require modification of motor mounts, heater fan box or firewall depending on your motor of choice, a larger capacity radiator, splicing into your existing wiring, a v8 transmission ie C4 if automatic and a v8 transfer case if 4x4, and a minimum of a 8. Just ordered factory book and I'm thinking it might be accumulator spring piston? This is a considerably more involved process than that of anything in the last steps, and taking the truck to a mechanic is recommended. The truck runs great and ive had this trany rebuilt twice and it seems to mess up right after the warranty goes out. The 1-2 accumulator piston is circled in red. After that I had no codes showing. If the vehicle sits for long periods of time, it is possible that the seal can dry up and become brittle.
A transmission that is shifting too hard generally has a problem with its fluid pressure. It is easier for the clutch pack to hold than it is for it to engage initially so this is a common first sign of problems. Also you say it stops moving in second gear, that also sounds like a major problem. After all this you should have found the problem with your stubborn shifter and are able to get in gear. I have to roll back or roll forward in order to get it into gear.
It is especially noticeable if your engine is already in need of a tuneup. If there are chucks of metal in the transmission pan then the transmission must be replaced. See how many shifts you get after the first gear change to determine whether or not this is the problem. The problem here is the intermediate clutch pack is starting to fail. Rapid wear of rings and cylinder walls, which can be caused by buildup in the grooves behind piston rings. We recommend you do this only if you're familiar with transmission valve bodies.
The transmission has a hard 1-2 shift. Its a 1990 Ford F150 4x4. Early diagnosis is important to. The engineers who designed this system definitely made some mistakes but this was not one of them. When that pressure is too high, shift can happen erratically and forcefully.