2008 VOLKSWAGEN JETTA Com

Booklet 3.2 Tip s and Advic e
Adding engine oil 9=::1':
Top off g radually
small of oil.
Fig. 6 In the engine comportment : engine oil filler
cap
To gel a true reading, the ve hicle m us t be
o n l eve l gro und. Before opening the e n­
g ine hood, always read a nd heed all
WA RN INGS
34, "Safe ty is job No. I
w hen working in the engine compart­
ment".
- Turn off the engine.
Unscrew the oil cap only 6 fr om
the cylind er h ea d cover . Yo u will sec the o il
can sy m bo l on top of the oil cap. If you arc
sur e, contact you r autho rize d Volk­
swag en dea le r for assis ta n ce .
- Top off oil in sma ll amo unts (not more
than a half quart/li te r at a tim e), using the
co rrect oil.
- To avoid fiJling too much oil, wai l
while and check o il level before adding
mor e.
40 Ch ecking and Filling
- As soo n as the o il leve l is in a rea
39, fig. 5
oil fill er cap is s hown in the
c orre sp ondin g eng in e compartm en t diagram
En gine oi l add itives
Vo lksw age n docs not recom mend the use of oil
add itives . Th ey may adverse ly yo ur New
V ehicl e
WARNING
Stop! Before wo rk in g in th e eng ine c ompart­
m ent , a lways read and heed WARN IN GS 34 . Th e eng ine com partm ent of an y
mot or ve hicle is a po te nti ally dang erous area
a nd can cause s eriou s personal injury.
WARNING
Spill ed oil i s a haz ard.
• The oi l filler cap must be properly secur ed
to preve nt oil fr om b eing spra yed on the hot
e n gin e an d ex hau st sys te m wh en th e e ngi ne is
runnin g.
Note
I f the oil le ve l
is above leve l 39, fi g . 5
co nven er and th e engin e! See an au­
t h ori zed Volk swag en dealer or qu alified work­
s hop .
For the sake of e nvironment
Do not l et th e oil leve l get above
Other ­
w is e oil can b e in through the cra nk case
breath er and e scape into the atm osphere
through th e exhau st

Booklet 3.2 Tips and Advice
Applies to vehicles: with a Diesel e ngine
Important information for vehicles with Diesel engine when adding or
changing engine oil
On vehicles with a Diesel engine always use engine oil conforms to Volk­
s wagen Oil Standard 505
OJ when adding or changing engine oil.
Vehicl es with Diese l en gine s require and must
a lways use special engine o il that conforms to
Vo lkswage n Oil Stand ard 505 01.
Never use any ot her kind of engin e oil in your
ve hicl e, not even
ofT the oil leve l.
the time of printing. we are awar e Cas­produ ces engin e o il that conform s not yet
be ava ilable throu ghout North Am erica. Other
o il manufacturer s ma y offer engin e oil that co n­
fo rm s
Volkswa gen Oil Standard 505 01 this
tim e or some futur e elat e.
Please be sur e to consult
authorized
Vo lkswage n dealer for information and avail­
abilit y of the prop er e ngin e oil f or yo ur vehicle' s
D iese l e ngine and fur
la tes t technical infor­
13ec ause this specia l engin e oil may 1101 be avail­
able when need strongl y recom mend that
yo u always carry you extra quart (liter ) o f oil co nforms to Vo lkswage n Oil 50 5
01, in case you have off oil while on the
road .
WARNING
Failure to use en gin e o il for your Diese l e n gi ne
that expre ssly co nforms to Vo lkswage n Oil
S tandard 505 01 can cause engine failure on
the highwa y that can ca use
cras h and seriou s
personal injury.
WARNING (continued)
• Never use any amo unt of eng ine o il in lhe
Diese l en gine th at does not conform to Vo lk­
sw agen Oil Standar d 505 0 1.
•
carry w ith you an extra quart (liter )
of engine oi l that confor ms to Vo lkswa gen Oil
Sta ndard 505 01 in case yo u mu st top ofTthe oil
wh ile on the road.
WARNING
Improp erly s tored items can become airborne
mi ssiles, flyin g through the ve hicle ca using
ser ious personal injury in the event of hard
brak ing or an accident. To help r educe the risk
of ser io us perso nal injury:
• /\(ways store extra quart (lit er) of e ngine oil
for your Diesel en gine in its original oil con­
tainer that is secure ly closed in the luggage
compar tment. Make s ure
container is se­
cure ly stored and mounted.
Note
• lf yo u u se e ngin e oil that doe s not expressl y
co nform to Volkswage n Oil Standard 505 01, very
se riou s and very expe nsive damage t o your ve­
hicle 's engin e wi ll occ ur. Engin e dam age caused
by using the wrong engin e oil is not cove red by
yo ur Limit ed New Vehicle Warranty.
• Not all comm ercia lly availabl e oil s conform
10 thi s very rigid Volkswagen oil qualit y s tanda rd
eve n though th ey may be symhetic-hased and
hav e th e same
Checking and Filling 41

Booklet 3.2 Tip s and Advice
Changing the engine oil
The engine oil be changed at the intervals listed in the Maintenance Booklet.
The engin e oil mu st b e c han ged a ccordin g to th e
int erva ls s pecified in your Ma intenan ce book le t
I. I.
Thi s is ve ry important becau se the lubri catin g
prop erti es of oil decrea se gradually during
n o rm al v ehicl e use. If yo u ar e no t sur e w hen you
yu ur yuur Vol k­
sw age n Se rv ice Ad viso r.
Und er so me c ircum sta nces the e ngin e o il
s h o uld b e changed more freq u entl y. C hange oil
mor e often
you driv e mo stl y s hor t d is tan ce s.
opera te the veh icl e in dusty areas or mostl y
und er stop-and-g o traffi c conditi ons. o r wh en
yo u u se yo ur vehicl e where te mperatur es stay
b elow freez in g po int for l ong p eri o ds.
D eterge nt additive s in th e oil will m ake fres h oil
lo ok d ark aft er t he e ngin e ha s bee n runnin g fo r a
s hort t ime. T hi s is normal
is not a r easo n to ch an ge the oil mor e often than r ecomm end ed .
WARN ING
Sto p! Before w orkin g in the en gine compan ­
ment , alwa ys read and h eed all WARN INGS
34 . The engine co mpartment of motor vehicl e is a potentia lly dangerou s area
and can cause se rious perso nal inju ry.
WARNING
If yo u mu st cha nge the engine oil in yo ur ve ­
hicle:
• A lways wear eye pro tec tion.
• To reduce the risk of burns from hot e ngine
oil le t the engin e coo l down to th e to u ch.
42 Checking and Filling
WARNING (continued )
• When removi ng the oil drai n plug with
y our fing ers, s tay as far away as poss ible. A l­
ways keep your forear m
to the ground
to h elp pr even t hot oil from ru nning down
your
• Drain the oil into a con ta in er des igne d for
th is on e large en ough to hold at least
th e to tal amo unt of oil in yo ur eng ine.
• To reduce t he risk of poisoning, neve r use
em pty food or beverage containers that might
mi slea d someo ne into drinkin g from them.
• Eng ine oil is poisonous. Keep it we ll out of
the rea ch of c hildren.
• Conti nuo us co nta ct with used e ngine oil is
h armfu l to yo ur skin. Alway s pro tec t yo ur skin
by wash ing th oroug hly wi th soa p and water.
For t he sake of environm ent
• Before ch angin g t he oil, fi rs t m ake sur e yo u
k now w here yo u can prop erl y di sp ose of the old
o il.
• Always disp ose o f u se d engin e oil prop erly .
N ev er dump it on garden soil. in wood ed ar ea s,
int o stream s or cl ow n se wa ge drain s.
• Recy cle use d engin e oil
takin g it t o a u sed
e n gin e o il co llect io n fa cilit y in your area , o r co n­
ta ct a se rv ice sta tion.
• Beca use of th e probl em of prop er d is po sa l,
a long with the special too ls and nec ess ary exp er­
ti se req uir ed,
stro ngly reco mm end that you
h ave yo ur oil ch ang ed b y an auth oriz ed Volk­
swage n deale r o r a qualifi ed wo rks hop .

Booklet 3.2 Tips and Advice
Checking the coolant level and topping off
The correct coolant level is important for correct functioning of the engine cooling
system .
Fig. 7 In the engine compartment: coolant expan­
s ion tank
To get a true reading, the vehicle must be
on level grou nd. Before opening the en­
gine hood, always read and heed all
WARN INGS
34, is job No. l
when working in the eng ine compart­
If th e coo lant level drops too low,
th e wa rning text
STOP Ch eck coolant
O w ner's manual!
is disp layed in the instru­
ment cluster and t he engine coo lant
level/temperatu re wa rning lig h t lights up.
Opening the coolant e xpansion tank
- Switc h off the eng ine and allow it to
coo l.
- To prevent scald in g, cove r the cap
8011 the expansion tank with a thick
cloth and ca refu lly un screw the
Checking coolant level
- Look into the open coo lant expansion
tan k and read off the coo lant leve l.
- If th e leve l is belo w the
mark , top
off w ith coolant.
Topping off coolant
- Only use new coolant.
44 Checking and Filling
Fi g. 8 In the engine compar tment: cap of coola nt
expansion tank
-Do not fill above the upper mark.
Closing the coolant expansion tank
-Reinsta ll the cap
pos itio n of t he coo lant expa nsion tank i s
show n in the corre spo ndin g en gin e co mpart ­
overview 3.3 'Technical data."
Make sure that the coola nt meets the required
s p eci fications
43. Do not use a different
typ e of add itive if coolant addit ive G 12 i s not
avai lable. In this case use only water and bring
coola nt co ncentrati on back up to th e corr ect
l eve l as soo n as po ssible by to pping off with the
s p ec ified addi tive
43 .
A lways top off wi th
Do not fill above the upper mark. Otherwi se the
excess ive coo la nt be pressed out of the
coo ling sys tem w hen th e engine is hot.
T he
additive G 12 (purp le) may be mixed
w ith G 12 (pink) and a lso with G 1 1.
WARNING
Stop! Before working in the e ngine compart­
ment, a lways read and heed all WARNINGS
34. The engine compar tment of an y
motor vehicle i s a poten tially dangerous area
and can cause serious personal injury.

Note
• When mixed with ot heradditives t he colo r of
G 12 w ill chan ge to brown . If thi s ha ppens. im­
mediat ely change the coo lant. Otherw ise it wi ll
res ult in engi ne damage!
• If a lot o f coo la n t ha s been lost. wa it for the
engine to
coo l before topping cold
coolant to h elp prevent damage to th e e ngine.
Large coolan t losses are a s ign of leaks in the
Book let 3.2 Tip s and Advic e ®
cooling syste m. Ha ve the cool ing syste m
che cke d imm ediatel y by an authori zed Volk­
swage n dea le r or qua lifi ed worksho p to red uce
the risk of engine damage.
• Do not add an y type of radia to r leak sealant
to you r veh icle's e ngi ne coola nt.Adding ra di ator
repair fluid m ay adve rse ly aff ect th e f un ction
and performanc e of yo ur coo ling sys te m and
co uld result in damage not covere d by your New
Ve hicle Lim ited
The water for cleaning windsh ield should always be mixed windshield
washer
Fig . 9 In the engine comportment: cop of wind ­
shie ld wa sher flu id container
Th e wi ndsh iel d washer co ntain er loca ted
in t he eng ine c ompartme nt suppli es was her
fluid to b oth th e wind shield wash er an d hea d­
li g ht washi ng sys te m . If the was her flu id l eve l
drop s to o low. the informat io n tex t Top up
was h fluid! i s di sp layed in the ins trument cluster a nd
t h e w indshield washer warn ing light ligh ts up . Stop!
o
p eni ng t he engine hood, always
r ea d and hee d all WA RN INGS 34, is job No. l w hen working in the engi ne com­
partm ent ".
Th e location of the container is shown in
corresponding engine co mpartm elll overview
=>bookle t 3.3 ''Techn ical Data."
S inc e regular water is usually not adequate for
cleaning t he wi ndshi eld, a dd
clea ning so lution
to the water. Please follow the diluti on in stru c­
t io ns on the package.
WARNING
Stop! Before working in the eng in e co mpa rt­
m ent , a lways read a nd heed all WA RN INGS
34 . Th e engine co mpartm ent an y
motor ve hicl e is a potent ially dan gerous area
a nd ca n ca use se riou s personal inju ry.
D o not use engine coo lan t, anti-freeze a ny
o th er so lu tions that ca n damage t he ve hicl e
Ch ecki ng and Fillin g 45

fluid reservoir has a black cap.
Fig. 12 I n the engine compartm ent : c ap of the
brake fluid reservoi r
To get a read in g, the ve hicl e be
on leve l g round . Before opening th e
g in e hood, always rea d and hee d all
WA RN INGS
34, "Sa fety is job No. 1
w hen wo rkin g in the eng ine com par t·
m ent' '.
H ead off fluid leve l a t the tran s­
par ent brak e fluid reservo ir. IL sho uld
ways be be twee n th e "M IN" and "MAX"
m arks .
Bookl et 3.2 Tips and Advic e @
• Never move the w indshi eld wiper o r sh ield wiper arm manu ally· this co uld cause
damage!
• To prevent damage to the wiping sys te m,
ways loose n blades froze n to th e g lass befor e ting th e wi pers
Th e loca tion of the brak e flu id reservo ir is show n
in the correspo nding engin e co mpartm ent over·
v iew
3 .3 "Tec hnical Data. " T he brake
fluid reservoir has a black cap 12 .
Th e fluid leve l drops slightly w hen th e hide is bein g use d and as the pads are to mat ically a dju ste d as they wea r dow n.
Howe ver, if the leve l goes
no ticeab ly i n a time, o r drops below th e "MIN " mark,
ther e ma y be a lea k in the brake syste m. If th e
brak e fluid leve l drops too low, the wa rnin g tex t
STOP . Brake fluid stop vehicle! i s disp layed i n the
instrumem cluste r an d the brake system
warning lig ht light s up . If this hap pens, imm edi ·
ate ly take the ve hicle to an auth orized Vo lk­
s wa gen d ealer ship, or qua lified workshop a nd
have the brak e sys te m insp ecte d.
WARNING
Stop! Before wo rk in g in the en gin e compart­
ment , a lways read and h eed all WARN IN GS
34 . Th e engine compar tme nt of any
motor vehicle is a pot entia lly dan gerou s area
and can ca use ser io us perso nal injur y
Checking and Filling 47

Booklet 3.2 Tips and Advice
Changing the brake fluid
The brake must b e chang ed e very ye ars
We r ecomm end th at yo u have the br ake fl uid
c h a nged by a n au th ori zed Volksw age n dea le r.
S to p! B efo re openin g th e eng in e hoo d, a lways
rea d and hee d all WA RN INGS
34. is jo b No . I w hen work ing in e n gine com­
p a rtm ent ".
B rak e fluid absorbs mois tu re. Ove r tim e. it w ill
a bsor b wat er fr om th e air . If
co n1en 1 in
th e brak e fluid is too high, brake co uld co rro de. Too much wa te r in brake fl uid
co nsid erabl y re du ces th e boilin g of brak e fluid. Very heavy use of 1h e bra kes old
b ra ke fluid may ca use va por loc k. Va po r l oc k re­
du ces brakin g powe r. in creases s!Opp in g di s­
tan ces and can ev en cau se to tal br ake failur e.
Fo r thi s re a so n th e brak e fluid m ust be r epla ced
ev ery
y e ars.
Only use brak e fluid
th e US
standard FM VSS 116 D OT 4. Th e fluid mu st
b e new.
WARNING
Stop! Before working in the engine co mpart ­
m en t, a lways re ad and heed all
34. Th e eng in e co mpartm en t of motor vehicle is a po tent ially dangerou s area
and can ca use s eriou s per sona l injury.
WARNING
Brake failur e ca n r esult from old o r incorr ec t
brake fluid.
48 Ch ecking and Filling
,0. W ARN ING (c on tinue d)
• U se onl y brake fluid that meets SAE speci­
fi ca tion J 1703 and conforms to Federa l Mo tor
Veh icle Safety Sta ndard 116.
• Alwa ys check wit h your a uthor ized Vo lk­
s wagen dea le r to make su re that yo u arc usin g
the correc t
fluid.
• The correc t brake fluid is al so listed on the
l abe l o n the brake fluid reservo ir .
WARNING
Brake fluid is poison ous.
• Alway s store brake fluid in the closed or ig ­
inal contain ers in a safe place.
• To reduce the risk of po iso nin g, ne ver u se
em pty food or beverage co ntain ers that might
mislead someo ne into drinkin g from th em.
• Always keep brak e fluid out of the reac h of
c hildr en.
• Always c hange the brake fluids as required
in the m aint enan ce boo klet. Heavy braking
w ith old brak e fluid m ay cause a va por lock
th at reduces braking power , in crea ses stop ­
pi ng di sta nce s an d can eve n ca use tota l brake
Note
Llrake fluid ca n d am age t he pa int. Wipe
a n y
b ra ke fluid from th e pa int imm edi ately.
flu id mu st be dr ained and di sp ose d of in
t h e prope r ma nne r observ in g environme ntal
reg ulatio ns.

Booklet 3.2 Tips and Advice
Vehicl e batt ery
Location of battery
The battery is mai nte nance-free is c h ecked during the inspection serv ice.
Warning note s on handling batterie s
Battery acid is very co rrosive a nd
ca usti c. Always we ar protective
g loves and eye prot ection !
Fires, s park s, open ligh ts and
s moking arc pro hibit ed!
Always kee p childr en away acid and batt eries!
WARNING
Wo rki ng on the batt eri es or the electr ical
syste m in yo ur vehicl e can result in ser ious
acid burns,
th e
batt eri es . Whe n a light bulb is c han ged, always
sw itch o!Tt he light.
• Turn o!Tt he an ti- th ert alarm by unl ockin g
the vehicl e befor e yo u disco nnect th e bat­
terie s to pre vent th e ala rm rrom goin g on.
• Always kee p childr en a way
acid an d
batterie s.
• Alw ays wear eye prot ectio n. Nev er let bat­
t ery acid or lead particl es contact your eyes,
and clothin g.
•
batter y acid is ve ry co rrosive and
can cause damag e to unprote cted ski n and
blindn ess. A lways wear protectiv e gloves a nd
eye protec tion. To re du ce yo ur risk o r injur y,
n eve r tilt the batt eri es, as thi s co uld spill acid
throu gh th e ve nts and burn you.
WARN ING
• Wh en disconn ecting the batt eri es from the
ve hicl e elec tr ic al sys tem , a lways disco nnect
the negative cable(- ) fir st a nd th en th e po si­
ti ve ca ble(+ ).
• Alwa ys avo id fires, spark s, op en li ght s a nd
s moking. Alw ays avoid generatin g sparks a nd
e lectro static charges whe n handlin g cables
a nd elect rica l equipment. Never short-cir cuit
the battery pole s. Hi gh -energy sparks can
c au se se rious per sonal injury.
• Always swi tc h off all electrica l con sumer s
before recon nectin g the batteries. Heconncct
th e plu s ca ble( +) first and then the negative
cab le(-). Neve rrever se the polarity or the con­
ne ctions. This could cause fire.
• A hi ghl y exp losive mixtur e or gases is give n
off when th e batter y is bein g ch arged.
• Never cha rge a frozen batt ery, or one that
ha s th awe d. Thi s could res ult in explos io ns
and chemical burns! A lways re pla ce
batte ry
t h at h as frozen. A discharged battery can
rr eeze a t temperatures around 32° F (0 ° CJ.
• Alwa ys make sure that t he ven t hose is co n­
n ec ted to the batt eries.
• Never use dama ged batter ie s- they can ex­
p lode ! Im med iately repl ace dam aged bat­
terie s.
•
yo u ge t b att ery acid in yo ur eyes or on
y our imm edi ate ly rin se with co ld water
fo r sev eral minut es and see k m edi ca l att en­
tion imm ed ia te ly.
yo u in ges t a ny batt ery
aci d, seek medi cal aue ntion imm ediatel y.
WARNING
California Propositi on 65 Warnin g:
• Battery posts, te rm in al s and re la te d acces ­
so ries contain l ead and lead compon ent s,
c hemicals kno wn to the
of Ca lifornia lo
ca use cance r and reproducti ve harm . Wash
h ands
h and ling.
Ch ecking and Filling 49