190101 Checking cooling system
WM 190101 Checking cooling system
Tools
Checking cooling system
Coolant - checking antifreeze and fluid level
WARNING
Hot pressurised coolant.
- Danger of scalding and burning.
-> Only work on the coolant system when the engine is "cool".
-> Wear protective clothes, gloves and goggles.
Information
- The coolant filled in at the factory is intended for lifetime cooling and, thus, need not be changed.
Information
- In all Cayman vehicles and in Boxster vehicles from MY 2007, the coolant expansion tank is located in the engine compartment.
- Testing and inspection work can be performed via the opening in the service tray (right).
- Filling and bleeding work are performed on the coolant expansion tank.
1. Open lid on coolant reservoir.
Boxster lid
Cayman service tray
Service tray in Cayman
WARNING
Coolant is corrosive and hazardous to health.
- Risk of skin and eye irritation.
-> Wear protective gloves and goggles.
-> If you come into contact with coolant, wash off immediately with plenty of warm water.
CAUTION
Mixing coolant.
- Corrosion of components and flocculation of coolant.
-> Do not mix Porsche coolant with other coolants.
-> When replacing or topping up coolant, use only original Porsche coolant (see Porsche Parts Catalogue).
2. Check antifreeze content with a commercially available antifreeze tester. If this is below - 35°C, correct the antifreeze content by increasing the proportion of pure coolant accordingly. ;
Example showing use of antifreeze tester
3. Screw on lid and tighten by hand. Do not tilt lid.
Tightening lid
Checking the cooling system for leaks
WARNING
Hot pressurised coolant.
- Danger of scalding and burning.
-> Only work on the coolant system when the engine is "cool".
-> Wear protective clothes, gloves and goggles.
1. Open lid on coolant reservoir.
Opening lid (view of Boxster vehicles up to MY 2006)
Information
- In all Cayman vehicles and in Boxster vehicles from MY 2007, the coolant expansion tank is located in the engine compartment.
- Testing and inspection work can be performed via the opening in the service tray (right).
- Filling and bleeding work are performed on the coolant expansion tank.
Service tray in Cayman.
Cayman service tray
2. Check the cooling system for leaks. To do this, apply a test pressure of 1.8 bar using the cooling system tester (Porsche workshop equipment WE 1069) and check hose connections for leaks.
Cooling system tester WE 1069 connected to coolant system (symbolic representation)
3. Screw on lid and tighten it. Do not tilt lid.
Tightening lid
Cleaning the cooling air guides
CAUTION
Radiator surface (vanes) dirty/soiled
- Engine overheating due to lack of cooling performance
- Risk of damage to radiator surface
-> Clean radiator surface regularly.
-> Do not use a high-pressure steam cleaner to clean it.
1. Check cooling air guides and radiator for foreign bodies such as leaves. If necessary, carefully clean the cooling air guides and radiator surfaces at the front using a vacuum cleaner with a single nozzle, see Vacuum cleaner nozzle, long crevice tool for cleaning cooling air inlet shafts NR.160. If a high-pressure steam cleaner is used, the steam jets can cause additional particles of dirt to attach to the radiator surface and the cooling vanes can be bent. The engine becomes overheated due to lack of cooling performance.
Cooling air openings (example from Tiptronic with middle radiator)