TRANSFER BOX 7D-5
DIAGNOSIS
State Possible cause Correction
• Worn shift fork shaft Replace
• Worn shift fork Replace
• Weak or damaged locating springs Replace
• Worn bearings on input shaft or counter shaft Replace
• Worn chamfered tooth on sleeve and gears Replace sleeve and gears
• Shift fork shaft or shift fork deformed Replace
• Lubrication inadequate or insufficient Replenish
• Worn chamfered tooth on sleeve and gears Replace sleeve or gear
• Distorted shift shaft Replace
• Lubrication inadequate or insufficient Replenish
• Damaged or worn bearing(s) Replace
• Damaged or worn gears Replace
• Worm damaged Replace
Gear slips before
engaging
Gears do
not disengage
Hard shifting
Noise