Facts! The average temperature of exhaust gas entering the turbo can be up to 1000ºC – hot enough to melt glass! At average speeds a medium size turbo can swallow 130 cubic feet of air – equivalent to the interior volume of a Transit! A turbo will accelerate from 20000 rpm to over 150000 rpm in less than 1 second!
Facts! Air entering a turbo compressor impellor can be travelling @ Mach 1! Turbo blades will travel in the region of 820 mph at average engine speed! New generation turbos can rotate up to 220000 rpm – a 747 jet engine rotates at @ 7000 rpm!
Visually check engine and cooling system for signs of coolant leaks. Examine hoses for signs of cracking, distortion and security of connections. Position heater temperature control to maximum heat position. Remove expansion tank filler cap
Pressure Testing Connect pressure hose to adaptor. Position pressure pump, connect pressure hose to pump. Slowly pump up system to required pressure and check for leaks.
Pressure Testing Release pressure by depressing pressure release valve on pump.
Pressure Testing Remove pump from pressure hose. Remove hose from adaptor. Remove adaptor from expansion tank and refit expansion tank filler cap.
Pressure Cap Testing Select correct adapter and fit cap Connect pressure hose to adapter and pump Slowly pressurise cap until correct pressure obtained and held