02:60-40 Issue 3 en-G 1 (10)

Conditions for filling coolantFilling coolant

Contact your Scania dealer for further information about coolant.BConditions for filling coolantWorking on the vehicle cooling system

WARNING!Use protective equipment when working on the vehicle cooling system. Coolant can cause skin irritation. Hot coolant can cause burns. Ethylene glycol is highly dangerous if imbibed.

IMPORTANT! Use only Scania coolant, or other tested product that meets Scania requirements

related to antifreeze and protection against corrosion. Damage arising from the use of incorrect coolant can invalidate Scania's warranty.

Damage to the coolant pump shaft seal will cause coolant leakage. Fill coolant correctly. Air pockets can cause overheating and thereby damage

to the coolant pump shaft seal. Do not start the engine if there is too little coolant in the cooling system as this

could cause damage to the coolant pump shaft seal. Too high a dose of antifreeze or corrosion inhibitor will increase the amount of

sludge and blockages accumulating in the radiator. Too low a content may lead to corrosion in the coolant system or build-up of ice

at low temperatures. Scania CV AB 2012, Sweden

Filling coolantConditions for filling coolantIMPORTANT! After coolant is filled, the cooling system must be pressure tested to check that the

expansion tank pressure valve is operational and that the pressure cap seals tight-ly. The pressure valve must not open until pressure has reached 0.70.9 bar

(overpressure). Once the pressure valve has opened, the remaining pressure in the system must

not be lower than 0.5 bar (overpressure).If the expansion tank pressure cap does not fulfil these conditions, it must be re-newed.

Read more under the heading Pressure testing the cooling system.

Coolant content and propertiesCoolant recommended by Scania is a mixture of water, antifreeze and corrosion in-hibitor (ethylene glycol). Coolant has the following properties which are important to the function of the coolant system:

Corrosion inhibitor Antifreeze Raises the boiling point

The content antifreeze and corrosion inhibitor should always be 3555 percent by volume. Otherwise, the coolant is not effective. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 2 (10)

Filling coolantConditions for filling coolantWarm countriesIMPORTANT!

In order to maintain the protection from corrosion it is very important that the coolant contains antifreeze and corrosion inhibitor also in countries where the temperature never drops below 0C.The content antifreeze and corrosion inhibitor should always be 3555 percent by volume. Otherwise, the coolant is not effective.

Topping upCoolant must only be topped up with pre-mixed coolant. Pre-mixed coolant can ei-ther be a concentrate mixed with clean freshwater or pre-mixed coolant from the fac-tory.

IMPORTANT!Containers, which are used for mixing coolant, must be intended for the purpose and free from any dirt or contaminants. Keep empty containers closed so that they do not attract dirt or dust. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 3 (10)

Filling coolantParts for the workParts for the workThe following spare parts can be purchased from a Scania dealer, but use of other equivalent parts is permitted:

Denomination Part number AppearanceCoolant tank 588 135

Adapter for filling coolant 99 301 Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 4 (10)

Filling coolantWork description

300

406

320

982Work description1. Slowly fill the cooling system via the drain and filler nipple under the radiator

using a coolant tank with adapter and hose. See the illustrations.Note:Only small quantities of coolant may be poured in from above. The system must be thoroughly bled. Run the engine and check that the highest point of the cooling sys-tem becomes hot. Check the coolant level in the expansion tank after running. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 5 (10)

Filling coolantWork description

320

980

Coolant bleed pipes2. Ensure that the cooling system bleed pipes are not blocked or damaged. There are bleed pipes from the radiator and engine to the expansion tank. See illustration.

IMPORTANT!The bleed pipes must be detached from the expansion tank when filling coolant. Fill coolant as described under item 4 and drain the coolant into a container until an even flow of coolant (without air) comes out of the bleed hoses. Refit the bleed pipes and fill coolant to the maximum level of the expansion tank.

3. Open the expansion tank cap. Set the heater controls to full heating.4. Fill with coolant to the maximum level of the expansion tank. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 6 (10)

Filling coolantWork description

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981

M1

M3

R2

R5

P

R4

R1

R3

The bleed nipple on the retarder cooler5. The following applies to vehicles with retarder:a) Connect a nipple with hose to the bleed nipple on the retarder cooler. See il-

lustration.b) Continue filling coolant with a coolant tank and collect the coolant-air mixture

from the retarder cooler in a container.c) Fill until coolant flows out evenly. Remove the nipple with hose from the re-

tarder cooler.d) Fill with coolant to the maximum level of the expansion tank.

6. Disconnect the coolant tank. Start the engine and set the heater controls to full heating. Leave the engine idling for 15 minutes.

IMPORTANT!Idling speed must not exceed 600 rpm. Engine overspeed could damage the coolant pump shaft seal, which leads to coolant leakage.

7. Switch off the engine. Fill with coolant to the maximum level through the filler opening in the expansion tank. Close the cap.

It is possible that a small amount of air remains as air pockets in the cooling system. Therefore, always top fill the expansion tank after the engine has been warm and the thermostat has opened. It is necessary to run the engine for some time before all air has been evacuated from the cooling system, which may involve topping up coolant at a later stage.

WARNING!On vehicles with an auxiliary water heater, the cooling system must be bled as de-scribed above before the water heater may be started. Otherwise, the water heater could overheat, which would lead to impaired function and risk of fire. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 7 (10)

Filling coolantWork description

Further information on external circuits is contained in the document Coolant outlet under Chassis modifications.IMPORTANT!If an external circuit is connected to the cooling system, it must be equipped with a bleeding point at its highest point and must be open during filling. Fill coolant as de-scribed under item 4 and drain the coolant into a container until an even flow of cool-ant (without air) comes out of the bleed hoses of the external circuit and expansion tank. Close the bleeding point and fill coolant to the maximum level of the expansion tank. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 8 (10)

Filling coolantPressure testing the cooling system

320

987

The cooling system pressure valve is located on the expansion tank.Pressure testing the cooling systemWhen pressure testing the cooling system, the pressure valve must not be triggered before the pressure has reached 0.70.9 bar (overpressure). Once the pressure valve has opened, the remaining pressure in the system must not be lower than 0.5 bar (overpressure). If the expansion tank pressure cap does not fulfil these conditions, it must be renewed.

Parts for the workThe following spare parts can be purchased from a Scania dealer, but use of other equivalent parts is permitted:

Denomination Part number AppearanceCooling system tester 587 048

Adapter for testing the cooling system

99 312 Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 9 (10)

Filling coolantPressure testing the cooling system

320

992Work description1. Remove the expansion tank cap.2. Check the sealing surface on the filler pipe and the cap gasket for damage.3. Check that the coolant level is correct. Top up if necessary.4. Attach cooling system tester 587 048 with adapter 99 312 in place of the filler

cap.5. Pump up the pressure until the pressure limiting valve opens. The correct open-

ing pressure is 0.70.9 bar.6. Stop pumping and allow the pressure limiting valve to close.

If the pressure drops, it could indicate leakage. Scania CV AB 2012, Sweden

02:60-40 Issue 3 en-GB 10 (10)

Filling coolantConditions for filling coolantWorking on the vehicle cooling systemCoolant content and propertiesWarm countries

Topping up

Parts for the workWork descriptionPressure testing the cooling systemParts for the workWork description