Skip the auto shop - Our mechanics make house calls

Q: Shuttle and hard shifting

asked by on

Description of Problem: I have an 2002 Dodge 2500 diesel automatic. The transmission was rebuilt 14k ago and now it is shuttle shifting between second and third. Sometimes it feels like short shifts where rpms barely move. The previous owner had an edge comp box in it when trans was built then took it out. It also has a 750 hp torque converter

My car has 167000 miles.
My car has an automatic transmission.

A: It sounds like your transmission is having ...

It sounds like your transmission is having a problem with one of the inputs, which helps it determine when to shift. It could be a hydraulic problem, or a problem with one of the solenoids as well. Start by checking the transmission fluid level and condition, then scan the engine and transmission control modules for fault codes, to see if anything related comes up. Correct the fluid level or change the fluid if necessary. If any faults are found, they should be thoroughly diagnosed, and if no faults are found, then the issue could be hydraulic. If the issue is hydraulic, then there may be an existing warranty on the rebuilt transmission, in which case it would need to go there to be fixed.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: What are the gaskets called that go between the transmission and the transfer case?

Hi there. Usually the gaskets between the transmission and the transfer case are known as the transfer case gasket or the transfer case adapter gasket. The gasket may be listed as the type of transfer case and then followed by...

Q: We have changed the fuel pump, air filter, battery, spark plugs on my nissan xtrail and the car still wont start

Hi. I'm thinking you have a broken timing belt causing the SUV not to start. If the timing belt breaks the engine jumps time and the engine has to be in time for it run. If the timing belt is...

Q: Heater only blowing hot air and cannot adjust controller to change

Hello, You likely have a problem with the 'blend door' which turns the air from hot to cold. There is also an actuator motor which turns the door from hot to cold. And finally, it may possibly be the knob...

Related articles

Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
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...