Renault Clio 2 Intake Camshaft VVT Phase Regulator (7701478037)
I. Basic Information
Original Equipment Number: 7701478037 (Original Factory)
Alternative Names: VVT Timing Gear, Camshaft Phase Regulator, Intake Variable Valve Timing Chain Wheel
Applicable Vehicle Models: Renault Clio II (1998–2005) 1.6L 16V (K4M Engine), also compatible with Renault Megane, Scénic, Kangoo and other equivalent engine models
Function: Controls the intake camshaft timing, adjusts the valve opening moment according to speed / load, enhancing power and fuel economy. 

II. Replacement / Compatibility Numbers
7701473179, 7701476570, 8200053729
Febi 36438, INA 427009510, Ruville 345102
III. Common Problems and Replacement Key Points
Fault symptoms: unstable idle, insufficient acceleration, abnormal timing noise, fault light on (P0011/P0012).
Replacement suggestions:
Replace the timing belt and tensioner pulley simultaneously to avoid secondary rework.
Strictly mark the correct timing to prevent incorrect valve timing.
Check the oil pressure and oil passage for blockage to prevent the new parts from being damaged again.