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Header Tank Removal

see also : Header Tank parts description; Header Tank Cleaning

0- Car sits on a ramp, battery off. (pic 1)

1 - Draining the cooling liquid.

fit a rubber hose to the radiator tap and direct into a clean container (pic 2)
drain radiator liquid into a big container using the bottom drain tap until it is completely empty (pic 3)
cover container to prevent the liquid from contamination

2 - Removing the header tank

remove the set of hoses connecting the header tank to the radiator : Header tank to radiator and Pump to header tank (pic 4 - 5)
remove the three bolts (boulons) anchoring the header tank (pic 6)
remove coolant probe (pic 7) and drain pipe (pic 7b)
tank can now be removed (pic 8)

Related pictures

picture 1 : front wheels of the car sit on a wooden ramp

picture 2 : the drain tap is located at the bottom-left of the radiator. I prefer to slightly unscrew the tap in order
to let the coolant bleed slowly in a clean way.

picture 3 : about 12 litres (out of 16 litres) should bleed from the radiator

picture 4 : header tank to engine rubber hose - to remove

picture 5 : header tank to radiator hose - to remove

picture 6 : one of the three bolts securing the header tank

picture 7 : removing the 2 6BA / 5mm nuts holding the coolant sensor lead. The sensor is further extracted by releasing a circlip

picture 7 : drain pipe from the header tank (to detach also) sinks into the engine bay through a guide

Rolls Royce silver Silver Shadow 1 header Tank

picture 8 : header tank. Filler cap removed and two hoses remaining

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