The small air valve at the box will be suspect as they tend to seize up and not move
check that the plastic air lines to the switch or box are still intact
check that the gear knob is operational
some knobs are where you move the lever sideways to change the ratio and others have a pull up knob under the lever handle
the flick switch sometimes develops problems in the rubber"O" rings
SOURCE: 1995 EATON TRANSMISSION FS 5306A 6 SPD, SOMETIMES
You have bent forks inside the transmission and most likely the synchronizers are needing replacing.
I hope this helps - please rate me - it helps a lot- - Thanks "F"
SOURCE: i changed synicronizers in a
Hello
put the van in reverse and ride back wards for a few meters it then should change out of low
Thanks
SOURCE: transmission wont shift from high side low side/Fuller 9 speed transmission
Check and see if your Vacuum Lines are broken... That is probably the issue
Most manual transmissions don't use transmission fluid such as you would find in Automatic Transmissions... that I have ever heard of. They use a heavy grade multi-viscosity oil called, "gear oil}, especially made for manual transmissions. Typically, it's 70-90W SAE NGLI 4 or 5 grade oil pr maybe 90-110W SAE depending upon the mfr. To be sure, look at your owner's manual or use a Fleet Services catalog under one of big oil mfrs, like Shell, Ashland's Valvoline, Mobil, Quarter State, or Texaco. Usually, there is a large bolt at the sump, don't remove and drain out the fluid until you locate the fill access nut and can loosen it. Make sure your truck is on level ground. The fill access bolt is usually either a quarter inch square nut that you can turn with a 1/4" open-end wrench; however, some use an indented 1/4" or 1/2" indented square bolt/plug that you can use a suitably sized ratchet extension bar end with a ratchet to open. (Shorter length bar is often better for work in close quarters.) You will find the fill plug on one the side of the transmission casing, up high when your lying on your back underneath. Open the fill plug first, before you drain the transmission sump. Many transmission sump drain bolts have a thin metal washer on them that serve as a gasket... get a new one to replace the old one. Using the old one may cause a slow leak you won't be able to stop the very slow dripping on. The sump nut will have small pieces of metal filings on it, collected as the transmission gears wear... wipe off the magnetic underside of the bolt to clean it out with a rag. A toothpick works great at getting the fine metal particles off from around the edges. (Reminder: Take the fill port bolt off first and then drain the transmission sump by removing the sump nut.) After draining, put the "cleaned" sump bolt back on with the new washer. Ensure you have a short length of clear plastic tubing with you to push onto the open nozzle end of the gear oil container that is best cut with a carpet or box cutting razor with handle. (Remember to break the inner seal underneath the screw top nozzle.) (TIP: If there is little room to raise the bottle above the fill hole and squeeze it to empty it through the plastic tube into the fill port on the transmission, buy an extra quart of gear oil... it is easier to squeeze a full bottle and and top it up with another one as it gets too hard to squeeze when empty to make the oil come out..; go slow or you can squeeze so hard the nozzle will break and cover your hand with gear oil.) Fill the Manual Transmission case to the point where gear oil starts to trickle out of the fill hole and then put the square bolt back in with the open-end wrench or ratchet extension bar end. (TIP: Using an extension bar end is preferable to just a ratchet tip as it adds leverage to make the removal easier.)
P0700 Transmission Control System
P0701 Transmission Control System Range/Performance
P0702 Transmission Control System -Electrical
P0703 Torque Converter/Brake Switch B Circuit
P0704 Clutch Pedal Position Switch -Circuit Malfunction
P0705 Transmission Range Sensor/Switch Circuit Malfunction (PRNDL Input)
P0706 Transmission Range Sensor/Switch Circuit Range/Performance
P0707 Transmission Range Sensor/Switch Circuit Low Input
P0708 Transmission Range Sensor/Switch Circuit High Input
P0709 Transmission Range Sensor/Switch Circuit intermittent
P0710 Transmission Fluid Temperature Sensor Circuit
P0711 Transmission Fluid Temperature Sensor Circuit Range/Performance
P0712 Transmission Fluid Temperature Sensor Circuit Low Input
P0713 Transmission Fluid Temperature Sensor Circuit High Input
P0714 Transmission Fluid Temperature Sensor Circuit Intermittent
P0715 Input/Turbine Speed Sensor Circuit
P0716 input/Turbine Speed Sensor Circuit Range/Performance
P0717 Input/Turbine Speed Sensor Circuit No Signal
P0718 Input/Turbine Speed Sensor Circuit Intermittent
P0719 Torque Converter/Brake Switch B Circuit Low
P0720 Output Shaft Speed Sensor Circuit
P0721 Output Shaft Speed Sensor Circuit Range/Performance
P0722 Output Shaft Speed Sensor Circuit No Signal
P0723 Output Shaft Speed Sensor Circuit Intermittent
P0724 Torque Converter/Brake Switch B Circuit High
P0725 Engine RPM Input Circuit
P0726 Engine RPM Input Circuit Range/Performance
P0727 Engine RPM Input Circuit No Signal
P0728 Engine RPM Input Circuit Intermittent
P0729 Gear 6 Incorrect Ratio
P0730 Incorrect Gear Ratio
P0731 Gear 1 Incorrect Ratio
P0732 Gear 2 Incorrect Ratio
P0733 Gear 3 Incorrect Ratio
P0734 Gear 4 Incorrect Ratio
P0735 Gear 5 Incorrect Ratio
P0736 Reverse Incorrect Ratio
P0737 TCM Engine Speed Output Circuit
P0738 TCM Engine Speed Output Circuit Low
P0739 TCM Engine Speed Output Circuit High
P0740 Torque Converter Clutch Solenoid Circuit
P0741 Torque Converter Clutch Solenoid Circuit Performance or Stuck Off
P0742 Torque Converter Clutch Solenoid Circuit Stuck On
P0743 Torque Converter Clutch Solenoid Circuit Electrical
Now i dont know a lot about automatics especially modern ones with all this fancy electronics thats used nowdays but i think its a fault with the temperature sensor for the gearbox.But where its located and what it looks like i have no idea it could even be mounted inside the gearbox .Sorry not a very good answer from a mechanic but?? very few of our europeon cars come with auto transmission .Evan when i do know whats wrong i cannot buy the parts for the gearbox as only re-con boxes supplied by the dealer so best advice is to try a specialist in auto box repairs only .PS some of my best students when i used to teach mechanics many moons ago were the girls so no excuses like iam only a girl please
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