Cooling System Test Pressurization

Fig 1: Identifying Pressure Tester 9985496 On Expansion Tank Cover

Courtesy of VOLVO CARS OF NORTH AMERICA.

Use pressure tester 9985496 .

Connect the tester to the expansion tank cover.

Pump up the pressure and check for leaks.

• the pressure must be 150 kPa 
• the pressure in the system must be stable.