Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHYUNDAI1999ELANTRA WAGON L4-2.0LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESERVICE AND REPAIRUNIT OVERHAULFIFTH SPEED SYNCHRONIZER ASSEMBLY
1999 Hyundai Elantra Wagon L4-2.0L
Fifth Speed Synchronizer Assembly
1999 Hyundai Elantra Wagon L4-2.0LSECTION Fifth Speed Synchronizer Assembly
INSPECTION
Synchronizer Sleeve and Hub
1. Install the synchronizer sleeve on the hub and check that they slide smoothly.
2. Check that the sleeve is free from damage at its inside front and rear ends.
3. Check for wear of the hub front end (surface in contact with the fifth speed gear).
CAUTION: Replace the synchronizer hub and sleeve as a set.
Synchronizer Key and Spring
1. Check for wear of the synchronizer key center protrusion.
2. Check the spring for weakness, deformation and breakage.
ASSEMBLY
1. Assembly the synchronizer hub, sleeve and key noting their direction
2. The synchronizer sleeve has teeth missing at six portions. Assemble the hub to the sleeve so that the center tooth between the two missing teeth will touch the synchronizer key.
3. Install the synchronizer spring so that its protrusion may be engaged in the groove of the synchronizer key.
CAUTION: When installing the synchronizer springs, make sure that the front and rear ones are not faced in same direction.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.