try checking the fluid level or if you use a heavy trans oil try a lower weight.
check pilot bearing
There are several things that can cause your manual transmission not to shift out of first gear or reverse. The most common cause is a broken shifting fork.
Every 12,000 miles or 12 months, whichever comes first: Check/replenish the manual transmission lubricant. - Haynes Manual #36071
manual
To check the fluid in a manual transmission of a 1991 Ford Ranger, first ensure the vehicle is on a level surface. Locate the fill plug on the side of the transmission; it typically requires a wrench to remove. Insert a finger into the hole; the fluid level should be just below the fill hole. If necessary, add the appropriate transmission fluid until it reaches the correct level.
They've had the manual transmission option always. I believe 1991 was the first model year.
There are several things that can cause your 2005 Jeep manual transmission to shift hard between first and second gear. The most common cause is a malfunctioning shifting fork.
check the transmission fluid first
Your 1999 Ford Ranger may not be shifting out of first gear due to several potential issues, including low transmission fluid, a faulty shift solenoid, or a malfunctioning transmission control module. Additionally, it could be related to a worn or damaged clutch (in manual transmissions) or issues with the throttle position sensor. It's advisable to check the transmission fluid level first and consider taking the vehicle to a mechanic for a thorough diagnostic if the problem persists.
To do a transmission flush, first read the manual to your car. You will find out when you will need to do a transmission flush and how to do a flush.
3,because the gear ratio in a manual transmission results is a gear ratio of about 3:1 for first gear.
There could be several reasons why the transmission on a 1984 Ford Ranger won't go into gear. Common issues include low transmission fluid levels, a faulty clutch (if it's a manual transmission), or a worn-out shifter linkage. Additionally, internal transmission problems such as damaged gears or a malfunctioning valve body could also prevent it from engaging. It's advisable to check fluid levels first and then consider a professional inspection if the issue persists.
The first gear in a car with a manual transmission is used to start the car moving from being stopped and to climb steep grades at a low speed.