19A-63
COOLING
Plenum chamber: Removal - Refitting
K4M
19A
-the coolant outlet unit,
-the coolant outlet unit seal.
REFITTING
I - REFITTING PREPARATION OPERATION
a parts always to be replaced: Cylinder head coo-
lant outlet unit seal (10,06,01,19).
a Use SURFACE CLEANER (see Vehicle: Parts
and ingredients for the repairwork) (04B, Consu-
mables - Products) to clean and degrease:
-the cylinder head joint face,
-the coolant outlet unit housing if it is being reused.
II - REFITTING OPERATION FOR PART
CONCERNED
a Refit the coolant outlet unit with a new seal.
a In order, fit (without tightening):
-the coolant outlet unit bolts (1) and (6) ,
-the bolts (2) , (3) , (4) , (5) , (7) , (8) , (9) .
a Tighten to torque and in order:
- the coolant outlet unit bolts (initial torque) (4
N.m),
- the coolant outlet unit bolts (12 N.m).
a Refit the heater matrix hose bracket on the retaining
bracket.
a Torque tighten the heater matrix hose retaining
bracket (10 N.m).
a Clip the heater matrix hoses onto the retaining brac-
ket.
III - FINAL OPERATION
a Refit the engine wiring channel.
a Connect the TDC sensor connector.
a Refit the coolant temperature sensor (see 19A,
Cooling, Coolant temperature sensor: Removal -
Refitting, page 19A-101) .
a Connect:
- the top hose on the coolant outlet unit,
- the heater matrix hose.
a Using the (Mot. 1448), fit:
- the heater matrix hose clip,
- the cooling radiator top hose clip.
a Refit:
- the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
- the engine undertray,
- the front section of the front wheel arch liners (see
Front wheel arch liner: Removal - Refitting)
(55A, Exterior protection),
- the front wheels (see Vehicle: Towing and lifting)
(35A, Wheels and tyres),
- the engine cover.
a Fill and bleed the cooling system (see 19A, Coo-
ling, Cooling circuit: Draining - Refilling, page
19A-17) .
WARNING
To ensure proper sealing, the gasket surfaces
must be clean, dry and not greasy (avoid any fin-
ger marks).
136552
K4M, and 848
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