DS 1.5 BlueHDi 

Camshaft Assembly with Chain & Seals

Fits Models: DS3, DS4, DS7

Engine Codes: YHY (DV5RD), YHZ (DV5RC)

OEM Numbers: 9830580480

Genuine PSA / Ford OEM parts 

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Important Information

In the earlier versions of the PSA DV5RC engine, there was an issue with the camshaft chain related to its width. Initially, the camshaft chain had a width of 7mm, which posed some durability and reliability concerns.

The 7mm width of the camshaft chain led to premature wear and elongation over time. This wear caused the chain to stretch or wear out faster than expected, which could result in timing issues within the engine. Such wear could cause the chain to jump teeth or lose synchronization with the camshaft, potentially causing significant engine damage like bent valves or piston damage due to incorrect timing.

To tackle this problem and improve the engine's reliability, PSA Group later modified the camshaft chain by increasing its width from 7mm to 8mm. This change effectively increased the chain's width, making it more robust and less susceptible to premature wear and elongation. The upgraded 8mm width of the camshaft chain was better equipped to withstand the stresses of engine operation over time.

The modification aimed to enhance the durability and longevity of the camshaft chain, ensuring proper timing and reducing the likelihood of engine failures associated with issues related to the width of the chain in the PSA DV5RC engine