Draining coolant

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Danger of scalding! Coolants can be extremely hot and pressurized. Wear suitable protective equipment. Carefully open the cap on the expansion tank.

Position the vehicle at the take-up points provided on a lifting platform.
Open hood.
Open tank cap on the expansion tank and remove.

Fig 1: Removing Tank Cap On Coolant Expansion Tank
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove the entire underbody cover.

Fig 2: Removing Entire Underbody Cover
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Drain cooling system. Remove the drain plug from the engine, drain the coolant into a container and dispose of coolant according to the country-specific legal requirements if no longer required.

Fig 3: Removing Coolant Drain Plug From Engine
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Pull the radiator supply and return lines off the engine. To do so, undo the hose clamps, carefully pull off the hoses and allow the remaining coolant to run out. Then clean the inside and outside of the hoses, connect the hoses again and tighten the hose clamps. Check whether the hoses are securely seated.

Fig 4: Pulling Radiator Supply And Return Lines Off Engine
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Fig 5: Identifying Coolant Supply Hose On Engine
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Open the heating lines on the vehicle floor. To do so, open the hose clamp, pull off the lines and drain. Then clean the inside and outside of the hoses, connect the hoses again and tighten the hose clamps. Install the hose clamps and check that the lines are seated correctly.

Fig 6: Opening Heating Lines On Vehicle Floor
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Install drain plug on the engine with a new sealing ring and tighten. Tightening torque: 10 to 15 Nm (7.5 to 11 ftlb.).

Fig 7: Installing Coolant Drain Plug
Courtesy of PORSCHE OF NORTH AMERICA, INC.