266 SECTION 21 - TRANSMISSION
PROBLEM CAUSE CORRECTION
Low clutch pressure Low oil level
Clutch pressure regulating valve
stuck open
Faulty charging pump
Broken or worn clutch shaft or
piston sealing rings
Fill to proper level.
Clean valve spool and housing.
Replace the pump.
Replace seal rings.
Low charging pump output Low oil level
Suction filter plugged
Defective charging pump
Fill to proper level.
Clean the pump section.
Replace the pump.
Overheating Worn oil sealing rings
Worn charging pump
Low oil level
Dirty oil cooler
Restriction in cooler lines
Remove, disassemble and
reassemble the converter.
Replace.
Fill to proper level.
Clean the cooler.
Replace cooler lines.
Noisy converter Worn charging pump
Worn or damaged bearings
Replace.
A complete disassembly will be
necessary to determine which
bearing is faulty.
Lack of power Too low engine rpm. The
converter stalls
See “Overheating” and make
same checks
Adjust the engine governor.
Make corrections as explained in
“Overheating”.
To Next Page
Loading...
