Hyundai Elantra (CN7): Manual Transaxle System / Troubleshooting

Hyundai Elantra (CN7) 2021-2026 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) 2021-2026 Service Manual: Components and components location

    C

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil

    Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.

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