Why is my John Deere 450C transmission slipping?
Why is my John Deere 450C transmission slipping?
That machine has a mechanical clutch between the engine and transmission, as well as the clutch packs in the transmission and the steering clutches, could be slipping anywhere in there. Do you have it in low gear with the gear selector and does it behave the same in reverse, low and high on the powershift?
Why is there no pressure on the transmission?
The absence of control pressure to components happens for several reasons: pump not making pressure, torque converter cavitated, stuck pressure relief valves, manual shift valve not working, valve body malfunction, failed servo piston, or failed clutch piston seals to name a few possibilities.
What should I do if my C4 transmission is not working?
If not, immediately shut off the engine and check the transmission fluid level. This Tech Tip is From the Full Book, HOW TO REBUILD & MODIFY FORD C4 & C6 AUTOMATIC TRANSMISSIONS. For a comprehensive guide on this entire subject you can visit this link:
How much free clutch travel does a John Deere 450C have?
Actually it is 3.75″ of free clutch travel. There is a plug on top RH side of the transmission . Remove it and there is a 1\4 inch plug inside. Remove it and attach pressure gage. At 1800 rpm the pressure should be between 165 and 185. this is the pressure going to your H-L-R clutches.
That machine has a mechanical clutch between the engine and transmission, as well as the clutch packs in the transmission and the steering clutches, could be slipping anywhere in there. Do you have it in low gear with the gear selector and does it behave the same in reverse, low and high on the powershift?
Can a John Deere 450C have a powershift?
If it is a John Deere 450C it is not a powershift. It has a four speed gear type transmission which has a shifting lever for selecting one through 4. A second shift lever is for high foreword, low foreword, low reverse and high reverse.
Where is the inspection port on a John Deere 450C?
To add to what lantraxco said there is also an inspection port on the upper left side of the bell housing . Inside the port is a mechanical linkage to the valve in the transmission . It works off the throw out bearing shaft & has some adjustment in it .
Actually it is 3.75″ of free clutch travel. There is a plug on top RH side of the transmission . Remove it and there is a 1\\4 inch plug inside. Remove it and attach pressure gage. At 1800 rpm the pressure should be between 165 and 185. this is the pressure going to your H-L-R clutches.
