TRANSMISSION AND TORQUE CONVERTER 5540F/YB5515 SERVICE MANUAL
7-16 Published 10-21-2010, Control# 198-04
16. Are clutch sealing rings damaged?
YES
Install pressure gauge into clutch feed
lines to monitor pressure.
NO Check clutch plates for damage.
17. Is there drive is one direction only? YES Check 19.
NO Check 18.
18. Is the start switch in the run position and supplying current to
neutral start relay?
YES Check 19.
NO Rectify.
19. Is the fault only when the transmission is hot?
YES
Disassemble solenoid and check
components.
NO Check relay and wiring.
20. Is the noise a growl, hum or grinding? YES Check gears for damage or wear.
NO Check 22.
21. Is the noise a hiss, thump or bumping? YES Check bearings for damage or wear.
NO Check 22.
22. Is the noise a squeal? YES Check free running gears or seizure.
NO Check 23.
23. Is the noise present in neutral or in gear? NEUTRAL Check 24.
GEAR Check 27.
24. Is the countershaft or bearings worn or damaged? YES Replace damaged parts.
NO Check 25.
25. Is there excessive backlash in the gears? YES Adjust by checking shaft end float.
NO Check 26.
26. Is the mainshaft pilot bearing worn? YES Replace.
NO Check gear teeth or scuffing.
27. Is the mainshaft rear bearing worn? YES Replace.
NO Check 28.
28. Are the sliding gear teeth worn or damaged? YES Replace gears.
NO Check 29.
29. Are the selector forks loose? YES Tighten screws.
NO Check 30.
30. Are the selector fork pads or grooves in gears worn? YES Replace worn parts.
NO Check 31.
31. Are the dog gear teeth worn? YES Replace.
NO Check 32.
32. Are the selector rod detent springs broken? YES Replace.
NO Check 33.
33. Are the selector rods worn or damaged? YES Replace.
NO Check 34.
CHECK ACTION
Reference Only
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