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- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Turbo Coolant Hose - Console to Water Temperature Switch Housing
This water coolant hose is designed for the Porsche 944 Turbo and connects the water coolant console to the water temperature switch housing pipe. It plays an important role in maintaining proper coolant circulation and ensuring accurate temperature regulation within the engine.
Fits:
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Diagram ref no 26
As part of the 944 Turbo cooling system, this hose supports the flow of coolant through key engine components, helping maintain stable operating temperatures and ensuring the temperature sensor receives accurate readings.
What This Coolant Hose Does
This hose forms a connection between the coolant console and the water temperature switch housing, allowing coolant to circulate correctly through the system.
It helps:
• Maintain continuous coolant flow through critical engine
areas
• Support accurate temperature monitoring via the sensor housing
• Ensure stable engine operating temperatures
• Assist in proper cooling system pressure and efficiency
• Prevent overheating by maintaining circulation
A properly functioning hose ensures both cooling performance and accurate engine temperature readings.
Why Coolant Hoses Fail
Cooling system hoses are exposed to heat, pressure and age-related degradation.
Common causes include:
Heat cycling
Repeated expansion and contraction weakens the hose material.
Ageing rubber
Original hoses can become brittle and prone to cracking over time.
Coolant exposure
Internal surfaces degrade due to prolonged coolant contact.
Pressure stress
Cooling systems operate under pressure, accelerating wear in weak hoses.
Symptoms of a Failing Coolant Hose
• Coolant leaks near the engine or under the vehicle
• Low coolant levels or warning lights
• Visible cracks, swelling or soft spots
• Inconsistent or rising engine temperature readings
• Coolant smell after driving
Replacing a failing hose prevents coolant loss and ensures accurate temperature monitoring.
Why You May Need to Replace This Hose
Prevent Overheating
Maintains proper coolant flow through key engine components.
Ensure Accurate Temperature Readings
Supports proper function of the water temperature switch housing.
Fix Coolant Leaks
Eliminates leaks and restores system pressure.
Essential Maintenance for Classic Porsche Models
A common wear item on ageing Porsche 944 Turbo vehicles.
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Diagram ref no 9
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Click 'Zoom in' for large parts diagram.
Diagram ref no 11
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