could be the modulator valve has went bad !
You may have a broken transmission or be low on transmission fluid.
the shift siliniod for AOD transmission is bad. it cost about 30 bucks and is usually special order
If the transmission won't shift out of first gear on a 1992 Buick Roadmaster, it could indicate the transmission gears are seized. It can also indicate a low fluid level.
Shift cable has unhooked, fluid too low, transmission failed.Shift cable has unhooked, fluid too low, transmission failed.
The most common reason for a transmission not to shift properly is low transmission fluid. Make sure the transmission fluid is up to the full mark.
No it will shift slow.
A bad transmission gear can cause your 1999 Nissan frontier to shift hard. Low transmission fluid can also cause the transmission to shift hard.
D3 means that the vehicle transmission will shift through 3 forward gears (low gear/2nd gear/high gear). D2 indicates only low gear & second gear. Your vehicle will NOT shift into OverDrive unless the transmission is in D3 position.
If a vehicle won't shift out of 1st gear, it could be due to several issues such as low transmission fluid levels, a malfunctioning shift solenoid, or a problem with the transmission control module. Additionally, a faulty throttle position sensor or issues with the gear linkage could also prevent shifting. It's important to diagnose the issue promptly, as continuing to drive in 1st gear can cause further damage to the transmission. A professional mechanic should be consulted for an accurate diagnosis and repair.
need more info.. is it a manual 4WD that you have to pull the lever on the transmission hump to engage the 4wd or is it push button 4WD?
most likely the transmission
If your 1984 Pontiac Fiero won't shift into 3rd or 4th gear, it could be due to several issues, including low transmission fluid, a faulty shift linkage, or internal transmission problems. First, check the transmission fluid level and condition, as low or dirty fluid can affect shifting performance. If the fluid is fine, inspect the shift linkage for any misalignment or damage. If those components are functioning properly, it may be necessary to have the transmission evaluated by a professional for internal issues.