Chain Tensioner. Porsche 955 / 957 Cayenne 3.2L / 3.6L 2004-10  ❭  95510546700

Chain Tensioner.
The OE MATCH Chain Tensioner is a engine timing component designed to maintain the correct tension on the engine timing chain of compatible Porsche models. This precision-engineered chain tensioner ensures accurate valve timing by keeping the timing chain under constant, controlled tension, reducing chain vibration and preventing premature wear of the timing system.  

Fits:

• Porsche 955 Cayenne 3.2L V6 2004-06
• Porsche 957 Cayenne 3.6L 2007-10  

Diagram Ref No 2

The chain tensioner is engineered to withstand continuous engine oil pressure, elevated operating temperatures and high engine speeds. Designed as a replacement, it integrates seamlessly with the timing chain assembly to deliver correct timing performance and long-term reliability.  

What This Product Does:

• Maintains the correct tension on the engine timing chain.
• Prevents timing chain slack and excessive movement.
• Ensures accurate camshaft and crankshaft timing.
• Reduces timing chain vibration and noise.
• Helps prevent premature wear of the timing chain and guide rails.
• Supports smooth and efficient engine operation.
• Forms an essential part of the engine timing system.

Symptoms Of Wear Or Failure:

• Rattling noise from the timing chain area, particularly during cold starts.
• Engine management or check engine warning light.
• Timing-related fault codes.
• Rough idle or engine misfires.
• Reduced engine performance.
• Excessive timing chain noise.
• Poor engine starting.
• Engine timing becoming inaccurate.
• Accelerated wear of the timing chain or guide rails.
• Severe engine damage if the timing chain jumps teeth.

Why Replacement Matters:

• The chain tensioner operates continuously using engine oil pressure and an internal spring mechanism to maintain the correct tension on the timing chain. Over time, internal wear, weakened springs or seal deterioration can reduce its effectiveness, allowing excessive chain slack and movement.
• A faulty chain tensioner can lead to inaccurate valve timing, increased timing chain wear and excessive engine noise. In severe cases, insufficient chain tension can allow the timing chain to skip teeth, potentially resulting in valve-to-piston contact and catastrophic engine damage.

Related reference numbers
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95510546700

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