Turbocharger Pressure Line, Cylinder 1-4. Porsche 957 / 958 Cayenne Turbo / Turbo S 4.8L 2007-17  ❭  94810708654

• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17 

The line forms part of the turbocharger's supporting fluid circuit, providing a secure connection between the relevant engine and turbocharger components. Correct fluid delivery is particularly important around a turbocharger because the unit operates at extremely high rotational speeds and temperatures.

A damaged, leaking, restricted or deteriorated pressure line should be replaced promptly. Loss of fluid supply or leakage around the turbocharger can contribute to poor lubrication, contamination of surrounding components and potentially expensive turbocharger or engine damage.

What This Product Does:
The turbocharger relies on the engine's lubrication system to provide oil to its internal bearing assembly.

The pressure line provides a controlled route for pressurised engine oil to reach the relevant turbocharger assembly.

This oil performs several important functions:

• Lubricates the turbocharger bearings
• Helps reduce friction
• Supports reliable turbocharger operation
• Helps manage heat within the bearing assembly
• Protects rapidly rotating internal components
• Maintains the required oil supply to the turbocharger

Because turbocharger shafts can rotate at extremely high speeds, maintaining the correct oil supply is essential.

Symptoms Of Wear Or Failure:
A deteriorated turbocharger pressure line may cause symptoms such as:

• Visible engine oil leakage
• Oil around the turbocharger
• Oil around pressure-line connections
• Falling engine oil level
• Burning-oil smell
• Smoke caused by oil reaching hot exhaust components
• Oil staining around the engine
• Wet or oily fittings
• Low oil-pressure warnings in severe cases
• Turbocharger noise if lubrication becomes inadequate
• Reduced turbocharger performance if damage develops
• Oil-related smoke from the exhaust if turbocharger damage occurs

A leaking turbo oil line should be investigated promptly.

Why Replacement Matters:
A properly functioning pressure line is essential for supplying oil to the turbocharger.

Replacing a leaking, damaged or restricted line helps:

• Restore correct turbocharger oil supply
• Prevent engine oil loss
• Maintain proper turbocharger lubrication
• Reduce the risk of premature bearing wear
• Protect the turbocharger from oil-starvation damage
• Prevent oil contamination of surrounding components
• Reduce the risk of oil reaching hot exhaust parts
• Support reliable turbocharger operation

A relatively inexpensive oil-supply fault can become a significantly more expensive repair if it results in turbocharger failure.