you have problems with your overdrive, or it may be a sensor on your transmission. I would recommend a simple transmission fluid change along with your transmission oil filter (it might be clogged) and a lot of times it fixes your sudden changes in gears.
Reverse is usually the first to go, followed by first gear. Time for a transmission rebuild.
it should cost about 300 bucks to rebuild transmission, but you are going to pay closer to 2100 bucks
This is far beyond anything that WikiAnswers can answer. This answer could take a website by itself.
it should be about $1600 based on my 1992 trans that was rebuilt
take it off the engine and put it in a bucket of carb cleaner overnight and if this doesn't solve your problem you will have to get a rebuild kit and rebuild it.
If no forward or slipping forward suspect problem in the forward clutch and circuit. Reverse does not use the same applied components
A heck of a lot more than the vehicle is worth and you shouldn't buy a new one they had problems that's why your looking rebuild the old one and fix the problem that for couldn't or wouldn't other wise itll happen again
86 toyota pickup steering gearbox problem
transmission leaks told it had to be rebuilt. took it to amco tansmission said 24 hundred.
It is a problem because when it hits it destroys a place and it may cost a lot of money to rebuild that place and fix it up like it used to be.
Shift linakge out of adjustment or transmission needs a rebuild