Saab SONETT III Service Manual page 44

Removal and installation of water distribution pipe or
replacement of water hoses
Removal
1. Drain the coolant through the tap in the lower part of
the radiator.
2. Slacken three hose clamps so that the hoses remain on
the water inlet pipe.
3. Slacken the clamp which holds the water pipes toge-
ther.
4. Remove the inlet pipe from the engine together with
the hoses from the inlet pipe.
Installation
1. Moisten the hoses and ease them onto the water distri-
bution pipe.
2. Hold the distribution pipe over the engine connection
tail-pieces and ease on the hoses.
3. Tighten all hose clamps and pipe clamps.
4. Ful the system with coolant and bleed the system.
Check that the system does not leak, by carrying out
a pressure test.
Removal of radiator
1. Drain off the coolant.
2. Jack up the car and place trestles under the front edges
of the sills.
3. Remove the horns.
4. Remove the screws holding together the upper and
lower front stays. Bend the upper stay out of the way
to provide access to the upper retaining screws of the
radiator.
5. Disconnect the upper and lower coolant hoses from
the radiator and the expansion tank hose from the
tank.
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and pull the radiator downwards. Pull it out right side
first, and then tum n the radiator rearwards and inwards
so as to release the pipe on the left side. See Fig.
REMO VAL OF RADIATOR
Reassembly takes place in the reverse sequence. After
having installed the radiator, fill up with coolant and
bleed the system through the nipples on the thermostat
housing and heat exchanger. Check that the system does
not leak by carrying out a pressure test.
Expansion tank
Removal and installation
1. Undo the clamp on the water hose.
2. Remove the hose.
3. Back off and remove the tank retaining bolts.
4. Remove the tank.
Installation takes place in the reverse sequence.
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2 SAAB Nov. 1972