Mazda MX-5 1990 Workshop Manual page 339

TROUBLESHOOTING GUIDE
J
TROUBLESHOOTING GUIDE
Problem
Possible Cause Action Page
Abnormal noise Insufficient oil
Add oil
J- 8
Deterioration of oil quality
Replace with specified J- 8
oil
Worn bearing
Replace
J-24
Worn contact surface of countershaft gear Replace
J-23
Worn contact surface of gears Replace J-23
Excessive gear backlash Replace
-
Damaged gear teeth Replace
J-23
Difficult to shift Insufficient oil Add oil
J- 8
Deterioration of oil quality Replace with specified
J- 8
oil
Worn synchronizer ring Replace
J-24
Worn synchronizer cone of gear Replace
J-24
Poor contact of synchronizer ring and gear cone Replace
J-24
Excessive longitudinal play of gears Replace J-23
Worn bearing Replace
J-24
Improper disengagement of clutch Refer to Section H -
Jumps out of gear
Weak detent ball spring Replace
J-25
Worn shift fork Replace
J-24
Worn clutch hub Replace J-23
Worn clutch hub sleeve Replace
J-23
Worn gears Replace
J-23
Excessive gear backlash
Replace -
Worn bearing Replace J-24
Vibration Incorrect installation of or loose power plant frame Correct or tighten
J-45
05UOJX·005
J-7