Checking Coolant Reservoir Cap For Leaks

WARNING: This page is about a different variant/trim than selected.

WARNING: Hot fluid

Danger of scalding
1. → Avoid contact with hot fluid.
2. → Wear personal protective gear.

Unscrew coolant expansion tank carefully -1- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Cap on coolant reservoir
Checking the cap on the coolant expansion tank.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tester on coolant reservoir cap
1. 2.1 V. A. G 1274B - Place cooling system tester with V. A. G 1274B/15 - adapter for cooling system tester on the coolant expansion tank cap.
2. 2.2 Use V. A. G 1274B - cooling system tester to create overpressure of about 2 bar .
3. 2.3 Check the pressure:
  The overpressure must drop to 1.8 to 1.6 bar and stay at this level.
4. 2.4 If the overpressure does not behave as described:
  Replacing the cap on the coolant expansion tank.
Remove special tool and screw on coolant reservoir cap -1- securely.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Cap on coolant reservoir