DS 19 OPERATION No. DS 232-1 Work on the radiator and fan. Op. DS 232-1 162
TOOLS
21 To fit the radiator
a) Put the radiator in position, connect the rubber connections and fit the distance pieces in position on the radiator
fixing plates (the longest distance piece on the right-hand side).
b) Fit the radiator fixing screws without tightening and position the fixing plate on the pressure regulator.
c) Centralise the radiator and fan cowl, the blades of the fan must not touch the cowl.
d) Put the expansion chamber bracket in position. Insert the fixing plate of the wiring harness tube between the
bracket and the nut (cars produced before January 1956).
e) Tighten the radiator fixing screws and those of the fan cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-14mm spanners
12-14mm box spanners
22 tighten the screw fixing the plate on the pressure regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-mm box spanner
23 put the radiator tie-rod in position. Tighten the fixing screws and nuts (plain and spring washers) . . . . . . . . . . . . 8-12 mm box spanners
24 Fit and tighten the clips on the rubber connections.
25 fit the clip fixing the expansion chamber on its bracket. Tighten the nuts (plain and spring washers) . . . . . . . . . 12 mm box spanner
26 Refill the radiator with water (open the heater control vane and bleed the system). Start the engine and check that
the heater pipe to the carburettor is warm.
27 Fit the spare wheel.
REPLACEMENT OF A THERMOSTAT
Removal.
28 Drain the radiator; retain this water which contains anti-freeze.
29 Disengage the water return pipe from the pump cover.
30 Disengage the clip fixing the thermostat in the rubber pipe. Disengage the thermostat. If need be, use a screwdriver
to unstick the rubber pipe.
Assembly.
31 Fit the thermostat in the rubber pipe, engage it so that the turned edge of the thermostat is in contact with the
shoulder of the rubber pipe. Tighten the clip fixing the thermostat.
32 Connect the rubber pipe to the pump cover. Fit and tighten the clip.
33 Refill the radiator (see paragraph 26, this operation).