Why does my hi-lo transmission not shift high?

Why does my hi-lo transmission not shift high?

The Hi-Lo splitter has an air operated valve there that could be bad, so you may have to replace that first and try. I don’t think that valve is very expensive. I bought a truck a few years ago that would not shift into high range.

Why does my car make a grinding sound when I shift gears?

Listen for gear clashing and grinding. Grinding gears will result in a grating sound as you shift between gears. If this is the case, the trouble may be in your synchronizers. Sychronizers are positioned between the two main drive gears and are responsible for locking the gears into the correct speed with the engine.

What to do when your transmission won’t shift?

You may also need to upgrade to a different type of fluid if you find that your transmission problems are happening during cold weather, or if you are using a fluid not originally recommended for your vehicle. Listen for gear clashing and grinding. Grinding gears will result in a grating sound as you shift between gears.

What causes a car to not shift gears?

Synchro rings that match the width and depth of the gears on the main shaft can also become worn or bent. Once this happens, your car may fail to shift.

What to do if your transmission high side is not engaging?

There will be one that is not hooked to anything and that is the vent. Make sure there is not air leaking around the knob itself, these knobs are not to big of deal to work on but if you do not like tiny o-rings and springs a new generic knob can be purchased for under $100 if yours has a problem.

Is it a bad transmission or bad install?

I had it swapped in coming from a Eaton fuller 8LL. Same engine, Cummins L10 300. Is it a bad transmissions or bad install. I’m hoping it’s something overlooked like hose shifter air hoses not connected properly and not a bad transmission that has to be taken back out. Maybe a synchroniser. This is becoming a pain.

Is the high side of the Eaton RTO not engaging?

Transmission High Side not engaging. Discussion in ‘ Heavy Duty Diesel Truck Mechanics Forum ‘ started by TruckDrivin04, Nov 25, 2017 . New to the site. I am having an issue with the high side of my Eaton Fuller RTO 14613 (used), 13 speed.

Is there a red splitter on a 13spd shift knob?

BoxCarKidd Thanks this. There is a downloadable manual on google that has trouble shooting guide in it. Lets start at the top, a 13spd shift knob has a red splitter button , trace these lines down to the fittings on the trans.

Why is transmission not engaging on high side 7-9?

Not engaging on high side 7-9, I was told there are lines crossed. I have changed air dryer and governor. Lines switched around, and either I have correct air pressure and sleeper air bags and no shifter, or shifter and losing air pressure down to 60.

Is the valve on the Hi-Lo splitter bad?

The Hi-Lo splitter has an air operated valve there that could be bad, so you may have to replace that first and try. I don’t think that valve is very expensive.