check engine VOLKSWAGEN JETTA 2010 Owner's Guide

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
The electrolyte level be checked reg ularly in high-mileage vehicles, in hot
cou ntri es and in older batteries.
- Open the engine hood and open the
batt ery cover at the front.
- C heck th e co lor display in the round
w ind ow at the top of the battery.
- If there are air bubb les in the window,
tap the w indow gent ly un til they disp erse .
Th e positio n of th e battery is sh ow n in th e corre ­
spo ndin g engine compart ment diagram
3.3. Th
e ro und window ("magic eye '') on th e to p of
t h e batt ery chang es color, d epending on the
c harg e le vel and ele ctrolyt e le vel of the ba ttery.
I f th e c olor in the w indow i s co lor less or bri gh t
ye llow . the elec trol yte le vel of the battery is to o
I la ve the ba tte1y ch ec ked by a q ualifi ed
d eal ers hip ..
The col ors g ree n and b la ck ar c use d b y the work­
s h op t o diagno se the battery.
Charging and replacing vehicle batteries
All work with the vehicle battery req uir es specia l know ledge.
Have th e batteries checked by auth orized
Vo lkswagen deale r o r qua lified workshop be­
t ween regular ma inten an ce i nt erva ls if you of te n
driv e short distance s or i f th e vehicle is not
driven for lo ng peri ods.
I f the bat te ry has discharged and you have prob­
l ems starting th e ve hicle, the battery might be
damaged . If thi s happens, we re comme nd you
h ave the ve hicle batte ry c hecked by an autho­
ri ze d Vol kswag en dealer
it w ill he erly recha rged o r re pla ced.
C har ging vehicle batteries
T he c har ging of the vehicl e batt eri es s hould be
l ef t to an aut horized Vo lkswage n deale r o r qual­
ifi ed workshop, b ecau se your ve hicle is
equipp ed w ith specia l batteri es th at mu st b e
charg ed in a contro lled e nvironm ent.
50 Checking and Filling
Rep lacing a battery
T he batt eries have been specia lly deve lo ped for
th eir lo cat io ns and they have specia l sa fe ty fea ­
Genui ne Volkswage n batte ries me et th e m aint e­
nan ce, and safety sp ecificat io ns
fo r you r ve hicl e.
WARNING
• u se on ly maint en an ce -fr ee or
cycle -free, leak-proof batteries with the same
s pecification s and dimen sions as the ori ginal
e quipm ent batt ery. S pecifi cation s are liste d
on the batt ery hous ing.
• Before sta rtin g
work on th e batteries,
a lways rea d and heed a ll in
"Loca tion of battery" on page 49.

1. 9L diesel engine
Fig. 4 Engine comportment overview
Maximum output SAE net
Ma ximum tor que S AE net
No. of cylinders
D isp lace ment
S troke
Co mpr essio n ra tio
Fue l
Booklet 3.3 Technical Data
Wind shi eld was her flui d co nta in er
Engine coolant expans io n t ank
Engine oil filler ca p
En gin e oi l di psti ck
flu id rese rvo ir
Vehicl e batte ry
Fu se box
De tails o n how to con nec t jum per ca bles to th e
po sit ive(+) and nega tive(- ) term in al or on how
t o ch eck a nd top up serv ice fluid s fo r th e com po·
n en ts liste d above are pro vid ed in
3.2 "Tip s and Adv ice."
Furthe r exp lanations, t ip s and restr iction s are
prov id ed in
3.3 "Tec hni ca l Data".
E ngin e data
100 hp a t 4,000 rp m
250 Nm at 1,0 00-2, 400 rpm I 104 ft.lb s. at 1,800·2,400 rpm
4
11 5.7 in3 I
1,896
3.76 i n I 95.5 mm
3. 13 in I 79.5 mm
18.5: 1
Diesel
T he co rrect grade of fuel for your vehicl e is s hown on a stic ker on the in side o f the fu el fi ller flap.
D iese l N o. 2 is rec omm end ed
3.2 "Tips and Adv ice ", chapter ''C hec king a nd Fi lling ."
Ca paci ties
F u el tank
14.5 gal. I 55 lit ers
(Re serve , includ ed in fu el ta n k capaci ty) ( 1.9 ga l. I 7.0 lite rs)
W ind shi eld washer fluid co nta iner
approx.
3.2 qts. I 3.0 liter s
Windshie ld wash er flui d con ta in er
ap prox.
5.2 qt s. I 5.0 liters
(w ith h ead lig h t washer)
Eng in e oil (w ith oil filter )
approx.
5. Iqts. I 4 .8 lit ers
T he e ngin e o il leve l shou ld b e checked w hile top pin g up . Do no t over fill
3.2 "T ip s and
Adv ice", c hapter "Chec kin g an d Filli ng."
Technical data 9