18 47 29 653
Saab 9-5 B205, B235, B308
55
V6:
Cut the pressure hose (46 72 317) which is
fixed at the other end to the heater outlet. Cut as
shown in the illustration.
56
V6:
Mark the suction hose (45 77 995) with tape
or paint. Cut the end of the hose as illustrated.
Then manoeuvre the slightly wider, uncut end,
from the engine bay towards the heater and
connect to the inlet of the circulation pump.
57
V6:
Measure and mark out the section to be
removed from the hose between the engine and
the cabin heat exchanger, see illustration.
Clamp the coolant hose with two tongs
(30 07 739) and cut the hose.
58
V6:
Fit the non-return valve into the cut hose
with 2 hose clips.
The heater connections must be aligned as in
the illustration.
59
V6:
Connect the unmarked hose (pressure
hose) from the heater to the non-return valve,
see illustration.
60
V6:
Place a funnel in the marked hose (suction
hose), hold up the hoses and fill the heating sys-
tem with coolant. Fill also the whole hose.
61
V6:
Remove the funnel. Pinch off the hose and
attach it to the non-return valve with a hose clip,
see illustration.
62
V6:
Remove the tongs, top up with coolant and
check the system for leaks with a pressure
tester.
63
V6:
Check that the hoses are not kinked or
twisted. They must not be touching hot or sharp
components. If necessary, fasten the hoses with
the cable ties supplied.
Important
The direction of flow in the non-return valve should
be towards the heater unit, as shown in the illus-
tration.
56
62
58
58
55
59
45mm
40mm
56
4577995
50mm
50mm
4672317
60
57
E980A544
