CD
• Your vehicle is not suitable for use with bio-diesel and must not be filled up or driven with biodiesel. Failure to observe this point can re-sult in damage to the fuel system and engine.
• Some diesel manufacturers blend biodiesel with diesel fuel in compliance with European Standard 590 or an equivalent standard (in Ger-many). Use of this diesel is allowed and will not damage the engine or fuel system.
• The diesel engine has been developed for use with diesel only. For this reason, petrol, heating oil or other unsuitable fuels may not be used. These fuels can cause serious damage to the fuel system and engine.
CD
• The service life of the diesel particulate filter can be reduced considerably if diesels with a high sulphur content are used. A Voikswagen Commercial Vehicles dealership will be able to tell you which countries have diesel with a high sulphur content.
o:::n Introduction
This chapter contains information on the following subjects:
Warning and indicator lamps Refilling Ad Blue® ... 347
348
SCR catalysts can be used to reduce emissions from diesel engines (SCR = Selective Catalytic Re-duction). The SCR catalyst uses Ad Blue® urea sol-ution to convert nitrogen oxides into nitrogen and water.
If the vehicle is equipped with this kind of emission control system for diesel vehicles, the filler neck for the Ad Blue® tank is located below the filler cap for the fuel tank.
The Ad Blue® level should be checked within the scope of the service work Service schedule.
Information on AdBiue®
The Ad Blue® consumption figures depend on the individual driving style, the system's operating tem-perature and the ambient temperature that the ve-hicle is operated in.
The vehicle is fitted with a separate tank for Ad Bl-ue®. The Ad Blue® tank holds approximately 13 li-tres. For technical reasons, the capacity may be slightly larger when refilling using refill bottles.
The Ad Blue® tank must never run empty. As of a remaining distance of approximately 2,400 km. the instrument cluster display will indicate that the
346 While drivmg
Ad Blue® must be refilled 348. If the re-maining range is 0 km, the engine cannot be star-ted anymore 347.
The Ad Blue® trademark is held by the German As-sociation of the Automobile Industry (VDA) in the USA, Germany, the European Union and other countries.
Additional information and warnings:
• Fuel 343
• Accessories, modifications, repairs and renewal of parts 394
A WARNING
If the AdBiue® level is too low, the vehicle cannot be restarted after the Ignition has been switched off. Starting with jump leads is also not possible.
• Refill AdBiue® at the latest when the re-maining distance reaches approximately 1,000 km.
• Never allow the Ad Blue® tank to run emp-ty.
A WARNING
Ad Blue® is an Irritant and corrosive fluid that can damage the skin, eyes and breathing passages upon contact.
Cleaning and maintenance
In the engine compartment
Preparation for working in the engine compartment
ClJ Introduction
This chapter contains information on the following subjects:
Preparing the vehicle for working in the engine compartment . . . . . . . . . . . . . . . . . 352 Opening and closing the bonnet 352
Always park the vehicle on a level and stable sur-face before carrying out any work in the engine compartment.
The engine compartment of a motor vehicle is a hazardous area. Never carry out any work on the engine or in the engine compartment if you are not familiar with the requisite procedures and general safety requirements, or if you only have access to incorrect operating equipment, service fluids, and unsuitable tools &. The work should be carried out by a qualified workshop if you are uncertain. Serious injuries can be caused if work is carried out incorrectly.
Additional information and warnings:
• Exterior views 5
• Wipers/washer 116
• Starting and stopping the engine 257
• Brake fluid 269
• Pull-away assist systems (starUstop system) 282
• Checks when filling the tank 340
• Engine oil 353
• Engine coolant 358
• Battery page 362
• Accessories, modifications, repairs and renewal of parts 394
A wARNING
Unintentional vehicle movements during service work can cause serious injury.
• Never work underneath a vehicle if it is not secured against rolling away. If you are working underneath the vehicle while the wheels are on the ground, the vehicle must
350 I Cleanmg and maintenance
A WARNING (Continued)
be on a level, the wheels must be blocked and the vehicle key must be removed from the ignition lock.
• If you have to work underneath the vehi-cle, use suitable stands to provide extra sup-port for the vehicle. The vehicle jack is not sufficient for this task and can fail, which can lead to serious injuries.
• The start/stop system must have been de-activated.
A WARNING
The engine compartment of any motor vehi-cle is a dangerous area. Serious injuries can be sustained here.
• The utmost care and attention must be paid when carrying out any work and you must follow the general safety rules. Never take any risks.
• Never do any work on the engine or in the engine compartment unless you know exact-ly how to carry it out. If you are uncertain of what to do, the work should be carried out by a qualified workshop. Serious Injuries can re-sult from work that has not been carried out properly.
• Never open the bonnet if you see steam or coolant escaping from the engine compart-ment. Hot steam or coolant can cause seri-ous burns. Always wait until you can no lon-ger see or hear steam or coolant coming from the engine compartment.
• Always allow the engine to cool down be-fore opening the bonnet.
• Hot parts of the engine or exhaust system can burn the skin.
• The following points should be noted be-fore opening the bonnet once it has cooled down.
-Apply the handbrake fully and move the selector lever to position P or move the manual gear lever to the neutral position. .,..
CD
When refilling or changing service fluids, please ensure that the correct fluids are added through the correct openings. Incorrect service fluids can cause serious functional problems and engine damage.
r:(ib Service fluids leaks are harmful to the envi-f!f:J ronment. So you should regularly check the ground underneath your vehicle. If there are spots of oil or other fluids on the ground, the vehicle should be inspected by a qualified workshop. Any spilt service fluids must be disposed of properly and with respect to environmental legislation.
1"1'11 First read and observe the Introductory L-.J,::,jJ Information and safety warnings & on page 350.
Checklist
The following steps should always be carried out in the specified order before working In the engine compartment =:-&,:
..( Park the vehicle on a level and stable sur-face.
..! Depress and hold the brake pedal until the engine has stopped.
Apply the handbrake firmly ::-page 269.
Select the neutral position or move the se-lector lever toP =:-page 260 .
..( Stop the engine and remove the key from the ignition =:-page 257.
Opening and closing the bonnet
Fig. 272 The bonnet release lever is located in the driver side footwell.
1"1'11 First read and observe the introductory L-.J,::,,J Information and safety warnings & on page 350.
352 I Cleaning and maintenance
Allow the engine to cool sufficiently.
Children and other people should be kept well away from the engine compartment.
Ensure that the vehicle cannot roll away un-expectedly.
A WARNING
Ignoring any of the Items on this Important safety checklist can lead to severe Injuries.
• Always follow the Instructions In the checklist and observe the general safety pro-cedures.
Opening the bonnet
• Please ensure that the wiper arms are lying on the windscreen before opening the bonnet =:.CD.
• Pull the release lever in the direction of the ar-row =:.Fig. 272. The bonnet is released from its lock by a spring mechanism =:. &.
• Lift the bonnet at the release lever =:.Fig. 273 (arrow) and open fully.
• Vehicles with gas struts: the bonnet is held in the open position by the gas-filled strut.
• Vehicles with support rods: hold the bonnet open.
• Remove the support rod on the right-hand side of the lock carrier.
• Hook the end of the support rod correctly in the retainer on the right side of the open bonnet.
Closing the bonnet (vehicles with gas struts)
• To close the bonnet, pull it down to overcome the gas strut pressure =:. &.
• Let the bonnet drop into the catches-do not press it down!
If the bonnet is not closed, open it again and close it properly.
The bonnet sits flush with the body parts around it when it is closed properly.
Closing the bonnet (vehicles with support rods)
• Raise the bonnet until you can release the sup-port rod.
• Hold the bonnet open and fold the support rod back into the bracket.
• Let the bonnet drop into the catches -do not press it down!
Engine oil
CO Introduction
This chapter contains information on the following subjects:
Warning and indicator lamps 354 Engine oil specification . . . . 354 Checking the engine oil level and refilling engine oil . . . . . . . . . . . . . . 356 Engine oil consumption . . . . . . . . . . . . . . . . . . . 357
Changing engine oil . . . . . . . . . . . . . . . . . . . . . 357
If the bonnet is not closed, open it again and close it properly.
The bonnet sits flush with the body parts around it when it is closed properly.
A WARNING
If the bonnet is not closed properly, it can open suddenly while you are driving and completely obscure your view of the road. This can lead to accidents and serious Inju-ries.
• After closing the bonnet, always check that it is properly secured. The bonnet must be flush with the surrounding body panels.
• If you notice that the bonnet is not closed properly while the vehicle is in motion, stop the vehicle as soon as possible and close the bonnet.
• Therefore the bonnet should only be opened or closed when you are sure that no-body is in its path.
CD
• The bonnet should only be opened when the wiper arms are flush to the windscreen and when they are switched off in order to avoid damage to the bonnet and the wiper arms.
• Always fold the wiper arms back onto the windscreen before driving away.
• Preparation for working in the engine compart-ment =:.page 350
• Accessories, modifications, repairs and renewal of parts =:.page 394
• =:. Booklet SeNice schedule ._
In the engine compartment 1353
A WARNING
Incorrect handling of engine oil can cause se-rious burns and other Injuries.
• Always wear eye protection when han-dling engine oil.
• Engine oil is toxic and must be stored out of the reach of children.
• Engine oil must be kept in the closed orig-inal container. This also applies to used oil until it is disposed of.
• Never use empty food containers, bottles or other containers to store engine oil as oth-er people may then drink the engine oil.
Warning and indicator lamps
A WARNING (Continued)
• Regular contact with engine oil can dam-age the skin. Skin that has been in contact with engine oil should be washed thoroughly with water and soap.
• Engine oil becomes extremely hot when the engine is running and can scald skin se-verely. Always allow the engine to cool down.
Leaking or spilt engine oil can pollute the en-(!Jtf vironment. Spilt service fluids must be collec-ted then disposed of properly and in an environ-mentally responsible way.
Lit up Possible cause
Engine oil level is too low. -
Flashes Possible cause
c:e:r. Engine oil pressure is too low.
r... Fault in the engine oil system.
A WARNING
Failure to observe illuminated warning lamps and text messages can lead to your vehicle breaking down in traffic, and can cause acci-dent and serious injury.
• Never ignore any illuminated warning lamps or text messages.
Engine oil specification
rT'n First read and observe the introductory L-J,::.U information and safety warnings & on page 353.
354 I Cleaning and maintenance
Solution
Switch off the engine. Check the engine oil level "'Page 356.
Solution
t Do not drive on I Switch off the engine. Check the engine oillev-el. • Do not drive on or remain at idling speed if the warning lamp is flashing even if the engine oil level is correct. The engine could otherwise be damaged. Seek expert assistance.
Go to a qualified workshop. The engine oil sen-sor should be checked.
A WARNING (Continued)
• Stop the vehicle as soon as possible and when safe to do so.
Q)
Failure to observe illuminated Indicator lamps and text messages can lead to your vehicle be-ing damaged.
Checking the engine oil level and refilling engine oil
Fig. 274 Oil dipstick with markings.
r-111 First read and observe the Introductory L-W! information and safety warnings & on page 353.
Checklist
Carry out the steps in the specified order &:
1. With the engine at operating temperature, park the vehicle on a level surface to ensure that the engine oil reading is correct.
2. Switch off the engine and wait a few mi-nutes for the engine oil to flow back into the sump.
3. Open the bonnet&. 350.
4. Identify the engine oil filler cap and oil dip-stick. The engine oil filler opening bears the symbol 'l!:r. on the cap 275 and the oil dipstick has a coloured handle. If you can-not find the cap and dipstick please contact a qualified workshop.
5. Pull the dipstick out of the guide tube and wipe it off with a clean cloth.
6. Insert the oil dipstick into the guide tube again as far as it will go. If there is a mark-ing on the oil dipstick, this marking must fit in the corresponding groove at the top end of the guide tube when inserting.
7. Pull the dipstick out again and read the en-gine oil level on the dipstick 274 as follows:
@: do not refill oil Continue to step 15.
@: oil can be refilled (approximately 0.5 1). Continue to step 8 or 15.
©: oil must be refilled (approximately 1.0 1). Continue to step 8.
356 I Cleaning and maintenance
Fig. 275 in the engine compartment: engine oil filler cap (illustration).
8. After reading the oil level, push the oil dip-stick back into the guide tube as far as it will go.
9. Unscrew the engine oil filler opening cap =>Fig. 275.
1 0. Using only the engine oil approved by Volkswagen expressly for this engine, top up the oil in small gradual amounts (no more than 0.5 1).
11. To avoid overfilling, wait for approximately one minute after each pour to allow the en-gine oil to flow into the oil sump up to the marking on the engine oil dipstick.
12. Read the engine oil level from the dipstick again before refilling with a further small quantity of engine oil. Never overfill engine oil
13. After the refilling procedure, the engine oil level should be at least in the centre of area =>Fig. 274 @,but never above area®
14. After refilling, screw the engine oil filler cap back on correctly.
15. Re insert the oil dipstick correctly into the guide tube as far as it will go.
16. Close the bonnet correctly & 350.
A WARNING
Engine oil can Ignite if it comes into contact with hot engine components. lt can cause fires, burns and other serious Injuries.
A WARNING (Continued)
• If engine oil is spilt on cold engine parts it can heat up and Ignite when the engine Is running.
• Always ensure that the engine oil filler cap Is securely tightened after refilling, and that the dipstick Is properly Inserted back Into the guide tube. This will prevent the engine oil from draining out on to hot engine compo-nents when the engine Is running.
CD
• Do not start the engine if the engine oil level Is above area@. Seek expert assistance. The catalytic converter and the engine could other-wise be damaged.
• When refilling or changing service fluids, please ensure that the correct fluids are added through the correct openings. Incorrect service fluids can cause serious functional problems and engine damage.
Engine oil consumption
n"'n First read and observe the introductory l.-J,:.ll information and safety warnings & on page 353.
Engine oil consumption can vary from engine to engine and can change during the working life of an engine.
The vehicle may consume up to 1.0 litre of engine oil per 2,000 km, depending on how you drive and the conditions in which the car is used. In new ve-
Changing engine oil
n"'n First read and observe the Introductory l.-J,:.ll Information and safety warnings & on page 353.
The engine oil must be changed regularly in ac-cordance with the data given in the service sched-ule.
The engine oil and filter change should be carried out by a qualified workshop due to the special tools and knowledge required, this also applies to the disposal of used oil. Volkswagen Commercial Vehi-cles recommends using a Volkswagen Commercial Vehicles dealership for this purpose.
The engine oil level must never be above I!!S area @. Otherwise oil can be drawn in through the crankcase breather and escape into the atmosphere via the exhaust system. <1
hicles. consumption is likely to be higher for the first 5,000 km. The engine oil level must therefore be checked at regular intervals, preferably when refuelling and before long journeys.
When the engine is working hard the oil level must be kept within area =>Fig. 274 @,for instance dur-ing long motorway cruising in summer, trailer tow-ing or climbing mountain passes. <1
More details on the service intervals can be found in the service schedule.
Additives in the engine oil can cause new engine oil to discolour quickly. This is normal and does not mean that the engine oil should be changed more frequently.
A WARNING
If, In exceptional cases, you have to carry out an oil change yourself, please note the fol-lowing:
• Always wear eye protection. .,.
In the engine compartment 357
A WARNING (Continued)
• Always allow the engine to cool down completely to avoid burns.
• Avoid raising your arms when removing the oil drain plug with your fingers to help prevent oil from running down your arm.
• Use a suitable container when draining the used oil. it must be at least large enough to hold the entire quantity of engine oil re-quired for refilling.
• Never store engine oil in empty food con-tainers, bottles or any other non-original con-tainers as people finding these containers may not know that they contain engine oil.
Coolant
o:::n Introduction
This chapter contains information on the following subjects:
Warning lamp and coolant temperature display . . . . . . . . . . . . . . . . . . . . . . . . . 359
Coolant specification . . . . . 360 Checking the coolant level and refilling coolant . . . . . . . . . . . . . 361
Never carry out any work on the engine coolant system if you are not familiar with the requisite pro-cedures, or if you do not have access to the cor-rect tools, operating equipment and fluids &. The work should be carried out by a qualified work-shop if you are uncertain. Volkswagen Commercial Vehicles recommends using a Volkswagen Com-mercial Vehicles dealership for this purpose.
Serious injuries can be caused if work is carried out incorrectly.
Additional information and warnings:
• Towing a trailer 139
• Preparation for working in the engine compart-ment 350
• Accessories, modifications, repairs and renewal of parts =>page 394
358 I Cleaning and maintenance
A WARNING (Continued)
• Engine oil is toxic and must be stored out of the reach of children.
r:Q:.. Before changing the engine oil, first find out W where old oil can be disposed of properly near you.
Used oil must be disposed of in accordance W with regulations governing the protection of the environment. Never dispose of old oil in loca-tions such as gardens, woods, sewerage systems, on streets and roads, or in rivers and waterways.
Engine coolant is poisonous and can cause serious Injuries.
• Engine coolant should only be kept in sealed original containers In a safe place.
• Never store engine coolant In empty food containers, bottles or any other non-original containers as people finding these containers may then drink the engine coolant.
• The engine coolant must be stored out of the reach of children.
• Please note that the amount of correct coolant additive used must be sufficient for the lowest ambient temperature that you ex-pect the vehicle to be exposed to.
• Coolant can freeze at extremely cold out-side temperatures, causing the vehicle to break down. Vehicle occupants with Inade-quate winter clothing could then freeze to death as the heating will also no longer func-tion.
Coolant and coolant additives can pollute the W environment. Spilt service fluids must be col-lected then disposed of properly and in an environ-mentally responsible way.