Hyundai Elantra (CN7): Manual Transaxle System / Troubleshooting

Hyundai Elantra (CN7) 2021-2025 Service Manual / Manual Transaxle System / Troubleshooting

Troubleshooting
Symptom
Suspected Area
Remedy 
Abnormal noise
Oil level (Low)
To adding oil after inspect the parts (Oil seal, Drain plug, filler plug).
Oil (Wrong)
Replace the oil.
Synchronizer ring (Worn or damaged)
Replace the synchronizer ring.
Gear (Worn or damaged)
Replace the gear.
Bearing (Worn or damaged)
Replace the bearing.
Oil leak
Oil level (High)
Inspect the oil level.
Gasket (Damaged)
Replace the gasket.
Oil seal (Worn or damaged)
Replace the oil seal.
Hard shifting or impossible to shift
Oil (Wrong)
Replace the oil.
Clutch (Dragging)
Inspect the clutch parts (Concentric Slave Cylinder, Clutch disc)
Shift fork (Worn)
Replace the shift fork.
Synchronizer ring (Worn or damaged)
Replace the synchronizer ring.
Gear (Worn or damaged)
Replace the gear.
Hub sleeve (Worn or damaged)
Replace the hub sleeve.
Jumps out of gear or shift lever moves excessively
Shift fork (Worn)
Replace the shift fork.
Hub sleeve (Worn or damaged)
Replace the hub sleeve.
Gear (Worn or damaged)
Replace the gear.
Bearing (Worn or damaged)
Replace the bearing.

    Specifications Manual transaxle type FF 6th Manual Transaxle (M6CF3-1) Engine typeGasoline 1.6 T-GDIGear ratio1st3.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Special service tools

    S

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Special service tools

    Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09890-3V100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

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