Skip the auto shop - Our mechanics make house calls

Q: Truck won't move while in gear

asked by on

My truck starts up and shifts gears perfectly fine. But it will not move. Would it be an issue in the transfer case or in the transmission itself?

My car has 133000 miles.
My car has an automatic transmission.

Hello and thank you for your question. The problem could be 3 different things wrong with your truck. First, look at the brake system to ensure that the brakes are not engaging when you put the vehicle in gear. If the brakes are okay, then the problem lies within the transmission or transfer case.

The transfer case could have the shifter placed into neutral causing the vehicle to not move. Try tapping on the shifter motor on the transfer case to see if it is stuck. Then start the engine. While the transmission in park, put the transfer case in 4wd and then in 2wd. This will make the shifter motor move and engage the transfer case into gear. Then put the transmission into gear. If the vehicle moves fine, then you would need to replace the shifter motor on the transfer case. If the vehicle does not move, then either the shifter motor is not functioning or the transmission is failing.

You could have a problem with the input shaft seals on the transmission. If the drive circuit and reverse circuit seals are split on the input shaft, then the transmission will statically lock itself. The fix to this is to take the transmission out and replace the input shaft seals on the input shaft. To have this diagnosed, I would recommend having a certified technician like one from YourMechanic, diagnose the potential transmission issue and advise you on the proper repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Sometimes my ford transit 250 won't start.

With intermittent conditions such as yours, the challenge is recreating the failure. We can't diagnose a car when it is working properly. The problem does not exist at that time. This could be a bad ignition switch, but is more...

Q: My car loses power while I am trying to accelerate. It will not reach the next gear.

Hello. With the amount of information, there are a limited number of suggestions. These include loss of ignition with higher spark loads (weak coils or ignition module), inadequate fuel supply -quantity and pressure (weak fuel pump, clogged fuel filter or...

Q: coolant leak

Hello. Most of the time when the engine leaks coolant from the front of it that is from the water pump. This will not allow the engine to overheat until the coolant level gets low enough. I usually verify the...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...