Ancillary belt H4J (Megane3) — RENAULT

🧭 Before you start

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin
• Renewed: tensioner

Don't miss

• The ancillary drive belt can only be fitted once. When removal is required, always fit a new belt

🔧 Engine codes this applies to

📐 27 workshop diagrams for H4J-700(A7)

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

Preparation and removal

1. Note: The ancillary drive belt can only be fitted once. When removal is required, always fit a new belt
2. Disconnect the battery earth cable
3. Disconnect the positive battery cable
4. Raise the vehicle
5. Remove the engine lower cover

6. Remove the front right wheel
7. Remove the right-hand inner wing splash guard

Installation and checks

8. Turn the tensioner pulley clockwise until the locking pin fits
9. Use a wrench
10. Refit all other parts in the reverse order of removal
11. Renew the idler pulley
12. Renew the tensioner

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