Chain Tensioner Adjuster. Porsche 986 Boxster / 996 C2 / C4>>2000

Chain Tensioner Adjuster.
The Chain Tensioner Adjuster is a critical component in your engine’s timing system. Designed to maintain the correct tension on the timing chain, it ensures smooth, accurate synchronization between the crankshaft and camshafts for reliable performance.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02

Cars With Engine Codes:
M96.20 / M96.21 / M96.22

• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01
  

Cars With Engine Codes:
M96.01 / M96.02 / M96.04

Diagram Ref No 35

What This Product Does:
The chain tensioner adjuster is a vital component in Porsche engines that use timing chains. Its role is to keep the timing chain under correct tension, ensuring smooth and precise synchronization between the crankshaft and camshafts.

Functions:

• Maintains proper chain tension to prevent slack or excessive tightness.
• Reduces chain noise and vibration.
• Helps keep engine timing accurate for optimal performance.
• Protects against premature wear of the chain and sprockets.
  
  

Symptoms Of A Faulty Chain Tensioner Adjuster:

• Rattling or knocking noise from the engine, especially at startup.
  
• Engine light triggered due to timing issues.
  
• Engine misfires or rough running caused by timing irregularities.
  
• Excessive timing chain wear or visible slack.
  
• In severe cases, loss of timing leading to serious engine damage.
  
  

Why Replacement Matters:
The chain tensioner adjuster is a critical timing component. If it fails, the timing chain can skip teeth or lose tension, resulting in poor engine performance or catastrophic internal damage.
This part is especially important during engine rebuilds, timing chain services, or if unusual noises develop from the timing system.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610518059

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