check engine VOLKSWAGEN GOLF MK5 2006 Owner's Manual

The engine oil dipstick indicates the leve l of the oil.
Fig. 6 E ngine level marks
To get a true reading, the ve hicl e must be
on leve l ground. Before opening the en­
gine hood, always read and heed all
page 39.
If the yellow indicator light in th e in-
s
trument cluster comes on, check the e n­
gine o
il leve l as soon as possible and add
the correct engin e oil.
the eng in e and wait a few minutes
for
the oil to return to the o il pan.
p a ge 41.
out the dipstic k and w ip e it clean
w ith a rag.
Rein se rt dips tick; push it all the way in.
If
ther e is a projection on the en gin e oi l
dipstick, make sure it lines up with the pro­
jection on the guide tube.
the dipsti ck out aga in and ch eck
the o il l evel.
You must not add fig. 6 .
You can add
You m ust add oil. adding oil, make sure the level is somewhere within t h e B range.
Warning light : Engin e oi l level too low
If the yellow warn in g ligh t in the instrument cluster comes on, switc h ofT the engine and check the engine level as soon as possible and add the correct page 45. There may be a message in the instrumem cluste r informing you or advis ing you of the necessary action to
take.
If the yello w
warning ligh t flashes, contact your authorized Volkswa gen dealer or qualified workshop and have the oil leve l sensor checked. There be
WARN IN G
Before workin g in th e e ng in e compart­m ent, always read and heed 39. T he engin e compartment of any motor vehicl e is potentiall y dangerous are a and can cause serio us personal injury.
WARN ING
If you do not pay attentio n to the warning light s which ha ve com e o n, incl ud in g the warning messages appearing in the d isplay, this could lead t o personal in juryordamage to
your ve hicle.
Note
If the engine oil is above level not
start the engine-this could damage the catal ytic converter and the engi ne!

Tips
6 shows the oi l stick. Depending on the model, your dipstick
Booklet 3.2 Tips and Advice
may look different or have a different colo r from
t h e one shown in th e illustration. The markin gs on the dipstick are th e same for
Warning
This warning symbol indicates that the engine oil pressure is too low.
th is warning light start s to nash, and three warnings sound. switch off the engine and check the oil level. Top off with engine oil if necess ary
essary action to tak e.
If
the warning flas hes even the
oil le ve l is correct, do no/drive on. Do not ler the engine idle. Contact an authorized Volkswagen dealer or a qualified works hop.
Adding engine
WARNING
If yo u ignore the illum inated warning light and the accompanying texts and warning messages, injuries or vehicle damage may s ult.
Tips
The oil pressure warning symbol i s not an oil
level gauge. Check the oil leve l regu larly,
Top off gradually with small amounts of
Fig. 7
must b e
on leve l ground. Before opening the
WAHNINGS 39.
Turn off the e ngin e.
Un screw the oil fig. 7 from the
cy lind er head cover. see the can
symbol on to p of the oil cap. If you a re not
sure, con tact your authorized
off oil in amounts (not more
than a hal f quart/liter at a time). using the
correct oil that expressly complies with
quality standard
page42.
too much
As soon as the oil l evel is in area
d ipstick all
the way. Othetw ise oil could
and Filling 45

3.3
additives
Volkswagen
does not recommend the use of oil additives. They may adversel y affec t your New Vehicl e
Befor e worki ng in the engine compart­
m ent, a lw ays read and heed all
Spilled oil is a fire hazard.
Changing the engine oil
(continued)
The oil filler cap must b e properly secured
to prevent oil from being sprayed o n the hot e ngine and exhaust system w hen the engin e is running.
th e oil is above pag e 44, fig. 6 do not start t he engine-thi s c ould damage the cata lytic convert er a nd the en g ine! a n au ­
t h orized Volkswage n dealer or a qualified work­
s hop.
Fo r the sake of environment
Do not the oil leve l ge t above Other­
wise oil can be drawn in throu gh the cra nkcase breather and escape in to the atmosp he re
throug h the exhaust system.
Th e engine oil must be changed at the interuals listed in the Maintenanc e Booklet .
The engine oil must b e changed according to the int erv a ls s pecified in your Maintenance booklet book le t 1.1.
Thi s is ve ry important beca use th e lubricatin g
prop ertie s of oil decreas e gra dually during
n ormal ve hicl e use . yo u arc not sure w hen you
hav e yo ur oil changed , ask your authorized Volk­swagen Service A dvisor.
Und er
som e c irc um sta nc es the engin e oil
shoul d b e changed more frequently. more often if yo u drive mostly short distances. ope ra te the ve hicle in dusty area s or mostly under s top -and-go traffic conditi ons, or w hen
yo u use vehicle where stay
below fre e zin g point for long period s.
D eterg e
nt addit ive s in the oil will make fr es h oil
look dar k after the engine has been running for a short tim e. This is norm al and is not a reaso n to
c h a nge the oil more often than recommend ed .
46 Checking and
Before working in the engine compart­
m ent, alway s read and heed a ll
yo u must chan ge the en gin e oil in your ve ­
hicl e:
Alwa ys wear eye protectio n.
To reduce the riskofburns from ho t engine
oil l e t the e ngine cool down to the to u ch.
W hen r emoving the oil dra in plu g with your fin gers, stay as far away as possibl e. Al­
ways keep your forearm paralle l to the ground to help prevent hot oil from running down your arm.
Dra in the oil into a containe r designed for this purpose, one large enough to ho ld at least the tota l amount of oil in your engine.
To reduce the risk of poisoning, n e ver u se
empty food or beverage containe rs that might mis lead someon e into drinking from th em .

Booklet 3.2 Tips and Advice
functional problem s or engine damage could be caused
Warning temperature
The warning symbol lights up if the coolant temperatur e is too high or if the
coolant level is too
Low.
Ther e is a fault if:
The wa rnin g symbol does not go out aga in afte r a few seconds.
The wa rnin g symbol light s up or flas hes whil e the vehicle is moving. Three warning s
This means th at eith er th e coolant leve l is too low or the coo lant temperature is too high.
Th ere may be a m essage in the i
nstrument
clu ste r inf orming you or advi sing you of th e
Coolant temperature too high
Fir st look at the coolan t tempe rature gau ge. The coolant temperature is too hi gh if th e need le is
o ver to th e fa r right on the dial. the vehicle,
switc h the engine wait for it to cool down. the coo lant level.
I f th e coo lant level is co rrect, th e over heating may be caused by a radia tor fan fault. the ra diator fan fuse and have it replaced if page
If th e wa rnin g light lights up again after driving
o n for short distan ce, stop the vehicle switch otT th e e ngine. an authorized Volkswagen dea le r or a qu alified worksh op.
when towing a trailer
If you have to c limb a lo ng g rad e w ith high temperatures in low gea r at high gin e ture booklet 3. 1 and If th e
w arning light in th e in st rument cluster flas hes, stop and a llo w the e ngine to coo l down
48 Checking and Filling
for minutes at idl e. For more inform ation 15.
alw ays read and heed all
Hot steam or coolant ca n cause seriou s burns.
Neve r open the engine hood if you see steam or coolant escaping from the engine compartment. Always wait until you no longe r see or hear steam or coolant escaping from the
e n gine.
Always let the engine to cool down pl ete ly before carefully opening the engin e hood. Hot components will burn tact.
When the engine has coo led down and you are ready to open the engine hood:
-
move the key f rom the ignitio n.
- Appl y
the parking brake firmly and put the selector in ( Park, automatic mission) or Neutral (manual
Never reach into the area around or tou ch
th e rad iator fan. with the blades ca n
re sult in serio us personal injury.
remembe r th at the radiator fan is temperature-controlled and can turn on
fo r a longer p eriod of tim e and the
key has been r emoved fro m the ig nition.
Never unscrew the coola nt expansion tank cap when the e ngin e is hot. A hot engine will

Always protect face, hands and arms from hot escaping coolant or steam by covering the cap with a large, thick rag.
(contin ued)
Turn th e cap slow ly and very carefully in a
counter-clockwise direction while applying
light
down ward pressure on the top of th e cap.
Never spill antifreeze or coolant on the haust system or hot eng ine parts. Under some conditions, the ethyle n e glyco l in en gin e
coolant can catch fire.
Checking the
The correct coolant level is important for correct functioning of the engine cooling
system.
Fig. 8 t h e engin e compartment: coolant
sian tank
To get a true reading, the ve hicle must be
on l eve l ground. Before opening the
gine hood, always read and heed all
page 39.1f the coolant level
drops too low, a warning text is displayed
in the in strument cluster and the engine
coolant leve l/temperature warning ligh t
lights up.
Opening the expansion tank
- Switch
9on the expansio n tank with a thick
cloth
and carefully unsc rew the
Fig. 9 the engine compartment: cap of coolant expansion tank
- Look at the side or the coolant
sion tank w ith the marks and read off the
coolant level.
-
If the level is below the mark, top
off wi
th fig. 8.
Topping off
-
the
and

booklet 3.3 ''Te chnical
page 47. Do not use a diffe rent
t y p e of additive if p lu s is not available. t his case use only wate r a nd bring the coolant concen trat ion back up correct level as soon a s poss ible by topping off wit h s pecified page 47 .
Alway s
mark. the
excessi ve coola nt will b e presse d out of cooling syste m when
Stop! Before working in the engine compart­ment, always read and heed all
W hen mixed w ith other incorrect additives co lo rofG 12 plus w ill ch a nge brown.
w ill res ult in engine damage!
has been engine coo l engine.
L arge coolan t lo sses are sig n of leaks in the cooling sys tem. Have th e cooling sys tem check ed
Do not add any type of leak sealant
t o your ve hicle's engine coolant. Adding radiator re pair fluid may adversely
The water for cleaning th e windshield shou ld alway s be mixed with windshield
washer fluid.
Fig. the engine comportment: b lue cop of w indshie ld washer container
The in dicator ligh t in cluster come on w he n the was her fluid leve l in th e
r eservoir is
cluster informing you or a d ­
v is in g yo u of the next opportunity top up the reservo ir.
The wind shield washe r flu id locat ed
i n engin e compartment suppli es was he r fluid t o both windshield washer and hea d ­
li ght washing system.
Before opening the engine page 39.
T he loca
tion of th e conta iner is shown in th e
corresponding engine bookle t3.3 "Tec hnica l

3.2 Tips and Advice
The brake fluid be changed every two years.
We recommend that you have the brak e changed b y an authorize d Volkswagen dealer.
S top! Be
fore openin g th e e ngin e hood, always
read and heed all page 39.
Brake fluid
absorbs m oisture. time, it will absorb wate r from the air. the wa ter content in the brak e fluid is too high, the brake sys te m
c
ould corrode. Too much wa te r in the brak e fluid
a lso consid erably reduces the boilin g point of the brake fluid. Very heavy use of th e brak es with
old brake fluid may cause vapor lock . Vapo r lock
reduces braking power, in cre ases stopping tances and can eve n cause total brake failu re.
For this r
eason the brake fluid must be repla ced
every two years.
use brak e fluid the s pecification U S standard 116 4. The brake fluid must be new.
Stop ! Befor e working in the engine compart­ment, always read and h eed all WARNINGS 39. The engine compartment of any motor vehicl e is a potentiall y dangerous area and can cause seriou s persona l injury .
Brake failure can result from old or incorrect brake fluid.
fica tio n
(continued)
A lwa ys check with your authorized swage n deale r to make sure that you arc u sing the correct brake fluid.
The correct brake fluid is also listed on the
labe l on the brak e fluid reservoir.
Always store brake fluid in the closed
To reduce th e risk of poisoning, neve r us e empty food or beverage containers that mi ght mislead someone into drinking from them.
A lwa ys keep bra ke flu id out of the reach of childr en.
Alway s change th e b rake fluid as required in the maintenance bookl et. Heavy braking w ith old brake fluid may cause a vapor lock that reduces braking power, increases ping distances and can even cause tota l brake failure.
Note
Brake fluid can damage the pai nt. Wip e off any
brake fluid from rh c paint immedia tely.
For the sake of environment
B rake fluid
must be drained and disposed of in
th e proper manner obse rv ing env ironmental

sh o uld I check the engine oil
level? 43
ligh t 45
Engine oil sensor li g h t 44
Environment Avoiding pollution 23, 36
the eng in e compartment 28 Drive economically 19
light 9
also E lectron ic
light 7
Even t Data Hecorder
34
Exhaus t system
light II
Exhau st system 9
Externa l
aeria l 33
F
Fabric trim
light 35
Fuse b ox
I n the in strument p anel , left 92
In the in strum ent pan el, rig h t 92
table 92
Fuses
G
Gaskets
Gasoline 37
Blends 37 alcohol 37
rating 37
37
Hegular 37 Unleaded 37 ifl purchase poor qua lity fu el? 37
woul d happen if I put leaded gaso­
l
ine in my ca r? 37
or summer tips 37
Gasoline addi tives
Generator light 56
G lossary oft ire and loading terminology 58
H
I low co uld I damage the cata lytic
conve rter? 9
I low do I know how much oil en gi ne is
consuming'? 43
How do I unlock the en gine hood? 41
How doe s moisture or road salt affec t the brakes? 13
How ofte n should I check my tire
pressures? 69
How often should I replace my engine
battery?
56
How oft e n should I wax my 24
I low ofte n should th e brak e nuid be
c h anged?
54
I low to jump start
light
I n st
rument pane l 28
J
Jack
Jump starti n g
Access positive and negative
terminals
Jumper cables
L
Leather

3.3
Compression ratio
Fu el
Engine coolant ex pansio n t ank
W indshield washer
Engine oil cap
Engine oil dipstick
Brake reservoir
(protected by a cove r)
Fus e box
Details on
how to connect jumpe r cab le s to the positive(+) and negative(-) te rminal or on how
t o check and top up service for the nents lis ted above are provid ed book le t 3.2 'Tip s and
Further explanations. tips an d res trict ions on the technical page 2, yo u need to
hp at rpm
rpm rpm
4
92.8
3.2 in 82.5 mm
or Hegul ar unleaded
The correct grade of fue l for your is shown on a sticke r o n th e in side of the f ue l For maximum e ng in e performance. unlead ed is bookl et 3.2 and c hapter
Capacities
Fuel tank 55 liters
( H eserve. ?liters)
W ind shield was h e r
container approx. 3.2 qts. liters
E ngi ne oi l (w ith oil filter )
a
pprox. 4.4 qts. 4.6 liter s
The engine oil leve l should be checke d whi le topping up. Do not boo klet 3.2 and chapter and Fillin g."