Page 352 of 442

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10 Maintenance and service
10
350
WARNING
Coolant can be very hot. If the coolant requires topping up when the engine is atoperating temperature, unscrew theexpansion tank cap slowly to gentlyrelease the overpressure.
For capacities and for standards regarding water quality; see Coolant - grade and vol-ume (p. 398).
Check the coolant regularlyThe level must lie between the MIN and  MAX
marks on the expansion tank. If the system isnot filled sufficiently, high temperatures couldoccur, causing a risk of damage to theengine.
IMPORTANT
• A high content of chlorine, chlorides and other salts may cause corrosion inthe cooling system.
• Always use coolant with anti-corrosionagent as recommended by Volvo.
• Ensure that the coolant mixture is 50%water and 50% coolant.
• Mix the coolant with approved qualitytap water. In the event of any doubtabout water quality, used ready-mixedcoolant in accordance with Volvo rec-ommendations.
• When changing coolant/replacingcooling system components, flush thecooling system clean with approvedquality tap water or flush with ready-mixed coolant.
• The engine must only be run with awell-filled cooling system. Otherwise,temperatures that are too high mayoccur resulting in the risk of damage(cracks) in the cylinder head.
Brake and clutch fluid - level
Brake and clutch fluid level should be between the reservoir 
MIN and  MAX  marks.
Checking the levelBrake and clutch fluid have a common reser-voir. The level must be between the  MIN and
MAX  marks that are visible inside the reser-
voir. Check the level regularly. Change the brake fluid every other year or at every other regular service. For capacities and recommended brake fluid grade, see Brake fluid - grade and volume (p.401). The fluid should be changed annually oncars driven in conditions requiring hard, fre-quent braking, such as driving in mountainsor tropical climates with high humidity.
WARNING
If the brake fluid is under the  MIN level in
the brake fluid reservoir, do not drive fur- ther before topping up the brake fluid.Volvo recommends that the reason for theloss of brake fluid is investigated by anauthorised Volvo workshop.
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        Page 373 of 442

10 Maintenance and service
10
371
FunctionA
Solenoid clutch A/C (5, 6-cyl.); Valves (1.6 l, engine B4204T7;5-cyl., 6-cyl.); Engine controlmodule (6-cyl.); Solenoids (6-cyl. without turbo); Actuatormotors, intake manifold (6-cyl.without turbo); Mass air flowsensor (engine B4204T7; 5-cyl.petrol); Oil level sensor (5-cyl.diesel)10
Valves (4-cyl. 2.0 lB
); Oil pump
(4-cyl. 2.0 l petrol B
); Lambda-
sond, centre (4-cyl. 2.0 l pet- rol B
); Lambda-sond, rear (4-cyl.
2.0 l diesel)15
Lambda-sonds (1.6 l petrol, engine B4204T7); Lambda-sond (5-cyl. diesel); Controlmodule, radiator roller cover(1.6 l diesel, 5-cyl. diesel)10
Lambda-sond, front (4-cyl. 2.0 l B
); Lambda-sond, rear (4-
cyl. 2.0 l petrol B
); EVAP valve
(5, 6-cyl. petrol); Lambda- sonds (5, 6-cyl. petrol)15
FunctionA
Coolant pump (1.6 l petrol Start/Stop); Crankcase ventila-tion heater (5-cyl. petrol); Oilpump automatic gearbox(5-cyl.petrol Start/Stop)10
Ignition coils (4-cyl. 2.0 l pet- rol B
)15
Diesel filter heater20
Control module, radiator roller cover (5-cyl. petrol)5
Crankcase ventilation heater (5-cyl. diesel); Oil pump auto-matic gearbox (5-cyl. dieselStart/Stop)10
Solenoid clutch A/C (4-cyl. 2.0 l B
); Glow control module (4-
cyl. 2.0 l diesel); Oil pump (4- cyl. 2.0 l diesel)15
Coolant pump (4-cyl. 2.0 l pet- rol B
)50
Glow plugs (diesel)70
FunctionA
Cooling fan (1.6 l, 4-cyl. 2.0 l petrol, 5-cyl. petrol)60
Cooling fan (6-cyl., 4-cyl. 2.0 l diesel, 5-cyl. diesel)80
Power steering100
A For cars with the Start/Stop function this fuse location is empty - see instead Fuses - in the engine compartment'scold zone (p. 377).
B Does not apply to the B4204T7 engine.
C However, does apply to the B4204T7 engine.
Related information
• Fuses - under glovebox (p. 372)
• Fuses - in the control module under the glovebox (p. 374)
• Fuses - in cargo area (p. 376)
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        Page 400 of 442
11 Specifications
11
398
Coolant - grade and volume
Approved coolant volume for each respective engine alternative can be read in the table. Prescribed grade: Coolant recommended by
Volvo mixed with 50% water 2
, see the pack-
aging.
Engine AVolume
(litres)
D2D4162T C10.5
D2D4162TD11.1
T4
BB5204T88.9
T5BB5204T9
T6B6304T4
D4 AWDD5244T12
D4 AWDD5244T17
D3D5204T7
D5D5244T15
D5D5244T11
Engine AVolume
(litres)
T3B4164T3 C9.2
T4B4164TC
T4FB4164T2 C
T3B4164T3D9.8
T4B4164TD
T4FB4164T2 D
T5B4204T118,3 (8,7
E
)
T6B4204T9
D4D4204T58,9 (9,2 E
)
A Engine code, component and serial number can be read on the engine; see Type designations (p. 386).
B Only certain markets.
C Manual gearbox
D Automatic gearbox
E Applies to cars with fuel-driven heater.
Related information
• Coolant - level (p. 349)
2
Water quality must fulfil the standard STD 1285.1.
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