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Jj

jack n. mechanical or hydraulic device
for raising (part of) a car: Cái
kích, con đội.
jack stand = AXLE STAND: Con đội
kê, con đội chết (3 chân)
jack up v. to raise using a jack: Kích
lên (xe ôtô).
jacking point = strengthened place on
the under body to put the jack:
Điểm đặt kích (dưới gầm xe)
(NOTE: small cars have one point
on each side but larger cars may
have two)
jackknife v. (of articulated lorries)
to go out of control when braking
harshly so that the trailer slews
round at an angle to the cab: Mất
điều khiển khi phanh (xe kéo
container)
jackshaft n. = INTERMEDIATE
SHAFT: Trục trung gian.
jalopy n. (informal) a worn-out old
car: Ôtô rất cũ.
jamb switch n. push-button light
switch located in a door jamb (e.
g. for courtesy lights, boot light):

J-flange n. most widely used rim
flange type for passenger car
wheels; the J-flange is 17.3 mm in
height: Mép niềng hình chữ J.
jib-jack n. lever-type tower jack:
Kích nâng bằng cần
JJD wheel n. safety wheel which can
be run when deflated: Bánh xe an
toàn (có thể chạy khi xì vỏ)
job n. particular piece of work: Công
việc, việc.
lube job = lubrication of an engine: Sự
bôi trơn động cơ.
valve job = replacing or regrinding old
valves: Sự thay thế hay mài lại
xúpáp.
jockey pulley or wheel n. free-
turning, spring-loaded idler used
to tension the timing belt: Puli
căng đai.
jack

jockey pulley

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joggle 1 n. slight step along the edge
of a panel to provide a level
mounting and welding surface so

journal n. the part of a shaft which is
supported by a bearing: Cổ trục.
joyride 1 n. a reckless drive in a
stolen car: Chạy xe liều lónh trên
xe trộm được
judder 1 v. to shake or vibrate: Rung
xóc.
2 n. shaking or vibration (brake
judder; clutch judder; wiper blade
judder): Sự rung xóc.
juggernaut n. a very large goods
lorry: Xe tải nặng.
jumper cable n. US = JUMP
LEAD: Dây nối tắt.
 jump leads n. pair of well-
insulated electrical cables with
crocodile-clip ends, used to
connect the two live terminals of a
functioning battery to the dead
terminals of a flat one to get a car
with a discharged battery started :
Cặp dây nối ắc quy ngoài để
khởi động
 jump start v. to start a car with
a flat battery using jump leads to
obtain a charge from a nearby live
battery: Khởi động bằng cách
nối ắc quy ngoài.
junk 1 n. scrap: Phế liệu, sự cắt vụn.
2 v. to scrap: Cắt vụn, đập vụn

Kadenacy: Hiệu ứng Kadenacy.
kangarooing n. (informal) moving
forward in a succession of sudden
jerks as a result of improper use of
the clutch, (a characteristic of
learner drivers): xe chạy không
đều do mới học lái
keep alive memory (KAM) n. =
FAULT MEMORY: Bộ nhớ mã
lỗi.
kerb n. stone edging between the
pavement and the road: Lề
đường.
(NOTE: US English is curb)
 kerb weight n. weight of a
vehicle with fuel, oil and coolant
but without occupants, luggage or
payload: Khối lượng xe không có
người và hành lý
kerosene or kerosine n.(a) fuel for
jet engines: Xăng cho động cơ
phản lực.
(b) US = PARAFFIN: Dầu hỏa.
key 1 n. (a) metal instrument for
turning locks and key-operated
switches: Chìa khóa.
(b) small peg or wedge that fits
into a keyway: Chìa khóa.
(c ) L-shaped tool for turning:
Khóa chữ L để quay

fully depressing the accelerator
pedal to engage a lower gear than
the one selected by the automatic
gearbox: Hệ thống gia tốc nhanh
trong hộp số tự động bằng cách
đạp hết ga.
(NOTE: US English is forced
downshift)
Kadenacy effect

kickdown

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kickdown valve = mechanically or
electrically operated valve which
actuates a downward gearchange
if the accelerator pedal is fully
depressed: Van xuống số khi
tăng tốc
 kickplate or kick strip n. =
SCUFF PLATE
 kick start v. to start a
motorcycle engine by kicking a
pedal downwards: Cần khởi
động.
 kickstarter n. pedal lever and
ratchet mechanism for kick
starting an engine: Cơ cấu khởi

intersects the wheel plane at or
below ground level, ' negative ' if
the point of intersection is above
ground level: góc kingpin.
(NOTE: also called scrub radius)
kink 1 n. twist or sharp bend in a
hose: Chỗ thắt nút, chỗ xoắn
trên ống mềm
2 v. to form a kink (check for
kinked, clogged, or damaged
hoses): Thắt nút, xoắn lại (ống
mềm)
kit n. set of tools, parts, etc.: Bộ
dụng cụ, bộ phụ tùng
 kit car n. car that is assembled
(often by the DIY enthusiast) from
its constituent parts; usually with a
GRP body shell: Xe tự lắp
K-jetronic n. commonly used
mechanical fuel injection system
made by Bosch in which the
amount of fuel injected
continuously under pressure into
the inlet ports is controlled by an
airflow meter: Hệ thống phun
xăng liên tục kiểu cơ khí.
km (short for) kilometre
km/h = kilometres per hour
knifing stopper n. fine grade filler
for minor dents and chips: Loại

biến kích nổ.
knuckle n. (i) the joint of a hinge
through which the pin passes:
Bản lề
(ii) hinged joint between two rods
or tubes: Khớp nối hai trục (ống)
 knuckle arm n. = STEERING
ARM: Trục dẫn hướng.
 knuckle pin n. = KINGPIN
knurl 1 n. (on nuts, knobs) (series
of) small ridges to provide a grip
for fingers: Khía trên ốc để dễ
vặn.
2 v. to roughen with knurls:
Tạo khía.
knurled nut = thumb nut with knurled
sides : Đai ốc có khía
 knurling n. roughening with
knurls: Sự tạo khía.
KPI = KINGPIN INCLINATION:
Độ nghiêng trụ quay lái.

knocker

KPI
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Ll


yields the lowest emission values
for CO, NOx, and HC: Vùng
quanh điểm tỷ lệ hoà khí lý
tưởng  = 1
laminate 1 n. a sheet of material
made of several different bonded
layers: Tấm do nhiều lớp khác
nhau dán lại.
2. v. to make material by bonding
together several thin sheets: Được
ép ra từ nhiều tấm
 laminated glass = sandwich-
type construction of two or more
panes of glass laminated together
with an extremely tough, crystal-
clear plastic film; on severe
impact, laminated glass will crack,
but not shatter like ordinary glass,
nor craze over like toughened
glass: Kính an toàn có nhiều lớp
(khi đụng chỉ nứt mà không vỡ).
 laminated iron core = the core
of an ignition coil consisting of
pieces of soft iron laminations,
insulated from one another: Lõi
sắt của bôbin gồm nhiều miếng
ghép lại.
 laminated windscreen =
windscreen made with laminated
glass: Kính trước được ép từ

vonfram bốc hơi.
 lamp cluster = group of lamps
behind a cover; the rear lights of
most cars are grouped together in
clusters: Cụm đèn gồm nhiều
bóng gần nhau.
lamp panel = panel that
encloses part or all of the
headlamp or taillight cutout and
may extend across the width of
the car to include both cutouts; in
the latter case, it forms an
additional panel to be joined to
the smaller front or rear valances:
Khung đèn
 lamp socket US = BULB
HOLDER: Đui đèn, lỗ cắm bóng
đèn.
 lamp unit = sealed light unit
with reflector and lens all-in-one:
Cụm đèn tích hợp gồm cả gương
phản chiếu và lăng kính.
land n. smooth, open area of a
(grooved) surface, such as the
bands of metal between the
grooves in a piston which carry
the piston rings: Rãnh xéc măng.
landau or landaulet n. classic car
style characterized by the fact that
only the rear seats were protected

chồng mí.
lash n. US = FREE PLAY: Khoảng
dòch chuyển tự do.
last station memory n. (audio/video)
circuit which ensures that when
the unit is turned on, the tuner
automatically tunes to the station
that was received before the unit
was turned off: Mạch nhớ đài
cuối (radio, TV)
latch n. part of the locking mechanism
of doors, bonnets, boots, tailgates:
Chốt, then gài.
lamp blackening

latch
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latch (ing) pillar n. = B-PILLAR:
Trụ đỡ trung tâm khung cửa.
lateral a. relating to the side: Thuộc
mặt bên, ở bên.
 lateral acceleration n.
centrifugal force moving a vehicle
towards the outside of a curve
when cornering: Lực trượt ngang
khi quay vòng
lateral air passage n. passage at the
nozzle of a spray gun for shaping

ngang.
 lateral stiffness n. resistance of
a vehicle body structure to lateral
impact: Khả năng chòu lực của
khung đối với chấn động bên
hông (Độ cứng ngang).
lay-by n. place at the side of a road
where drivers can stop (to rest):
Nơi có thể dừng xe (trạm dừng)
layer of pure zinc n. top layer on
hotdip galvanized steel which, in
contrast to zinc-iron alloy layers,
almost completely consists of
zinc: Lớp kẽm mạ trên thép.
 layer thickness n. coating
thickness (indicated in
micrometres or millimetres): Độ
dày lớp phủ (sơn)
Layrub coupling n. universal joint
using four moulded rubber inserts
mounted on a round steel plate:
Khớp nối Layrub có 4 cục cao su
lồng vào đóa thép.
layshaft n. intermediate shaft between
and parallel to the input and
output shafts, carrying the two
pairs of gearwheels which provide
the required changes in gear ratio:
Trục trung gian (có gắn cặp
bánh răng) trong hộp số.

acid; used as a starter battery and
as a traction battery in electric
vehicles: Ắc quy axít chì.
 lead-antimony grid = Lưới
sườn bản cực bằng hợp kim chì
antimon.
 lead deposit = lead particles
that separate from the battery
plates during normal operation:
Lớp cặn chì (ắc quy)
 leaded petrol = petrol to
which lead has been added as an
anti-knock agent: Xăng pha chì.
 lead-free petrol = unleaded
petrol: Xăng không pha chì.
 lead glazing = faulty sparking
plug condition caused by molten
lead salt deposits that solidify into
a yellow, brown or green glaze:
Tình trạng bougie bò hư do điện
cực bò bám chì.
 lead loading = the process of
filling dents and damaged areas of
the bodywork with body lead: Sự
trám chì (làm đồng).
 lead peroxide = poisonous
compound used, for example, as an
electrode in batteries: PbO
2
–

wheel in front of the pivot point:
Đòn dẫn hướng
 leading shoe = shoe of a brake
drum system which pivots outwards
into the approaching drum: Bố
phanh (trống)
LCD

leading shoe

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(NOTE: US English is primary
shoe)
leaf spring n. flat, narrow, metal strip
of varying length used as a spring:
Lò xo lá, nhíp.
lean a. of a weak air/ fuel mixture
that has less petrol than normal:
Thiếu xăng (hỗn hợp hòa khí
nghèo)
(NOTE: opposite is rich)
 Lean Authority Limit Switch
n. developed by GM to monitor
heated carburettor inlet air
through an air cleaner TVS and to
prevent the control unit from
providing the carburettor with too
lean a mixture, for better

anticlockwise: Ren ngược
leftward welding n. welding a seam
towards the left: Hàn theo hướng
trái.
legroom n. the amount of space
available to move one's legs in a
vehicle: Chỗ để chân, chỗ duỗi
chân.
LE-Jetronic n. the LE-Jetronic
system incorporates the
advantages of direct airflow
measurement with the
enhancements afforded by
electronics: Hệ thống phun xăng
điện tử đo trực tiếp lưu lượng
khí nạp.
lemon n. a new or used car with
many defects: Xe có quá nhiều
khuyết tật.
lens n. glass or plastic front cover of
a headlight through which the
light converges or diverges: Thấu
kính, kính khuyếch tán ở đèn
đầu.
let in v. (clutch) to engage: Gài
khớp.
 let out v. to release: Nhả
khớp, xả.
level n. Mức.
 level out v. to work on a panel

hông.
licence or US license n. document
giving official permission to do
something: Bằng cấp, giấy phép.
 license plate n. US =
NUMBER PLATE: Bảng số.
lift n. (a) amount by which a poppet
valve rises when opened: Khoảng
đội sú páp
(b) aerodynamic force caused by
greater pressure above the car
than below it and having the
effect of loss of traction and
stability; (counteracted by a
suitable spoiler): Xe bò bồng
bềnh do lực khí động
 lifter n. US = TAPPET: Con
đội.
liftgate n. US = TAILGATE: Cửa
sau.
lifting platform take-up point n. any
of the lifting points specified by
the manufacturer for supporting
the car on a lifting platform: Điểm
đội (gầm xe)
lift pump n. = FUEL PUMP: Bơm
nhiên liệu.
light 1 a. (a) easy to operate: Nhẹ
nhàng, dễ sử dụng.
(NOTE: opposite is heavy)

temperature at which a catalytic
converter achieves a 50%
conversion rate; typically near
level plug

light
-
off temperature
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250
0
C: Nhiệt độ mà bộ xúc tác
hoạt động 50%.
 lights-on reminder n. usually
a buzzer, chime or voice alert
which reminds you that you have
left the car lights on: Báo còn bật
đèn bằng tiếng còi hoặc giọng
nói.
 light truck or van n. typically
a vehicle under 3 tons, which
includes pickups, passenger vans
and most 4WD vehicles and for
which one does not need a special
licence: Xe tải nhẹ.
 light unit n. = LAMP UNIT:
Cụm đèn.
limit n. the performance limit of a

động cơ)
linear (source) lamp n. = FESTOON
BULB: Bóng đèn trang trí.
 linear wiper system n. system
in which the wiper arm is attached
both at the top and bottom and,
instead of describing the usual arc,
is guided in a straight line from
one side of the windscreen to the
other: Hệ thống gạt nước với
thanh gạt chạy thẳng.
line pressure n. line pressure is fed
to the shifting components when
they are to be applied; it increases
in proportion to engine speed and
is the highest pressure in the
hydraulic control system: p suất
đường ống
liner n. = CYLINDER LINER: Ống
lót xy lanh.
line spanner n. = FLARE NUT
SPANNER: Cờ lê nụ, ống tuýp.
lining n. (a) interior trim, e. g. of
doors, convertible tops: Lớp vải
mui.
(b) friction material (e. g. on
brake shoes in drum brake, on
clutch disc, on brake bands in
automatic transmission): Chất ma
sát trong bố phanh, bố ly hợp…

panel, e. g. for spot welding:
Mép, miệng (tấm, vỏ khung)
 lip seal with garter spring n. =
RADIAL SHAFT SEAL: Phớt
chận nhớt trục ngang
liquefied natural gas (LNG) n. e. g.
methane, possible future
alternative fuel for SI engines:
Khí thiên nhiên hóa lỏng.
 liquefied petroleum gas (LPG)
n. by-product of oil refining,
mainly butane or propane or a
mixture of the two gases, used as
a fuel for some SI petrol engines:
Khí đồng hành hóa lỏng.
liquid-cooled a. (engine) cooled by
the passage of water or oil: Làm
mát bằng nước hoặc nhớt
(NOTE: opposite is air-cooled)
 Liquide Hydraulique Minerale
(LHM) n. green hydraulic fluid
used by Citroen for some of their
suspension systems: Nhớt thuỷ
lực màu xanh dùng cho hệ thống
treo Citroen
 liquid gasket n. room
temperature vulcanizing gasket
sealer (from a tube): Roong lỏng.
 liquid paint n. paint which
contains solvents and cures at

electric circuit: Tải điện.
(d) resistance overcome by an
engine when it is driving a
machine: Sức tải (động cơ)
 load alteration effect n.
reactions in the drive train or, in
link

load alteration effect

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FWD vehicles, in the steering, due
to sudden load alteration: Phản
ứng của phần động lực, của hệ
thống lái khi tải trọng thay đổi
đột ngột.
 load controlled power
distribution n. drive torque
distribution, as established e. g. by
a Torsen differential: Sự phân
phối công suất theo tải trọng.
 load floor n. (i) cargo-carrying
area of a van or lorry: Thùng sau
xe tải
(ii) floor of the luggage area of an
estate car or hatchback: Ngăn
chứa đồ sau xe du lòch.
 load floor extension =

local cell n. galvanic cell resulting
from differences in potential
between adjacent areas on the
surface of a metal immersed in an
electrolyte: Pin cục bộ.
localized corrosion n. corrosion
occurring at one part of a metal
surface at a much higher rate than
over the rest of the surface, e. g.
pitting corrosion, crevice
corrosion: Sự ăn mòn cục bộ.
(NOTE: opposite is uniform
corrosion)
locating dowel n. = DOWEL PIN:
Chốt đònh vò.
locating lug or pin n. projection or
pin for holding a part in a specific
position: Chốt đònh vò.
locating spring n. (of disc brakes)
steel wire clip that secures the
cylinder in a floating frame or
caliper frame: Lò xo đònh vò.
lock 1 (a) n. device for closing
something with a key to prevent
unauthorized entry: Ổ khóa.
(b) (steering) amount by which
the wheels of a vehicle are able to
turn: Góc lái có thể
 full lock = the maximum angle
attained by the wheels when the

of pins (typically five) which
penetrate down through the wall
of the cylinder: Xylanh có chốt
đònh vò
lock facing n. the surface of a door to
which the lock is attached: Bề
mặt lắp khóa (cửa xe).
 locking bar clamp n. locking
clamp with sliding jaw providing
extended clamping capabilities:
Bàn kẹp, êtô.
locking clamp n. locking pliers with
specially shaped jaws for vice
work and intricate clamping jobs:
Kìm có răng khóa
locking differential n. differential
with the facility for locking
together the two half shafts, thus
putting the differential out of
action and greatly improving
traction: Bộ vi sai có khóa.
 locking lug bolt/nut n.
antitheft wheel lug bolt/nut:
Bulông/ đai ốc khóa bánh xe để
chống trộm.
 locking mechanism or locking
reel n. device which locks the
reel of a seat belt when the
forward acceleration of the
occupant exceeds a certain value:

converter which prevents slipping
lockable differential

lock
-
up clutch
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losses: Cơ cấu nối ly hợp trong
biến mô (hộp số tự động)
 lock-up torque converter =
torque converter in which the
pump can be mechanically locked
to the turbine, eliminating any loss
through the fluid: Bộ biến mô có
khóa tuốc bin
long block n. the long block consists of
the short block plus oil pump and
sump, cylinder head(s),
camshaft(s) as well as the
complete valve train: Khối động
cơ đầy đủ chi tiết
(NOTE: opposite is short block)
long block engine n. engine with a
relatively long crankshaft: Động
cơ có trục khuỷu dài.
(NOTE: opposite is short block
engine)
longeron n. main side member:

piston engine whose bore
diameter is smaller than the
stroke; a relatively long stroke
produces higher low-end torque at
the cost of increased piston speeds
and reduced revving ability: Động
cơ có hành trình piston dài.
(NOTE: opposite is short stroke
engine)
loom n. = WIRING HARNESS:
Buối (bó) dây điện.
loop scavenging n. method of
scavenging used on two-stroke
motorcycle engines: Quá trình
quét khí kín (2 kỳ)
loosen v. to make (something) less
tight; to slacken: Nới lỏng.
lorry n. large motor vehicle for
carrying goods: Xe tải.
(NOTE: US English is always
truck)
lost-core technique n. method of
producing thermoplastic inlet
manifolds: Phương pháp chế tạo
ống góp hút bằng nhựa.
 lost-foam casting (process) n.
casting method using foamed
plastic cores, giving the surface of
the casting the appearance of
styrofoam; used for engine blocks:

paint at low temperatures: Thiết
bò sấy sơn ở nhiệt độ thấp.
 low-bake paint = respray paint
baked at 80
0
C, giving a high-
quality finish but requiring
suitable low-bake spray
booths/ovens: Sơn nóng.
lowball n. US in car sales, the
practice of stating a very low price
for a new car to a customer who is
known or expected to be
comparison shopping: Đề nghò giá
thấp khi biết khách hàng so giá
low battery n. nearly flat battery: Ắc
quy yếu.
low beam n. US = DIPPED BEAM:
Đèn cốt, đèn chiếu gần
low-carbon steel n. steel containing
0.03 to 0.3 percent carbon
(typically 0.2%): Thép cacbon
thấp.
low-density polyethylene (LDPE) n.
a relatively soft, flexible
polyethylene, used mainly for
plastic film and sheet: Nhựa tổng
hợp tỷ trọng thấp.
low-emission a. generally, releasing
relatively few pollutants into the

có bửng sau hạ sát đất để lấy
hàng
low-maintenance battery n. battery
with removable vent caps that
loud pedal

low
-
maintenance battery

PGS. TS. ĐỖ VĂN DŨNG
216
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
only requires topping-up about
once a year: Ắc quy ít cần bảo
dưỡng.
low oil sensor n. = OIL LEVEL
SENSOR: Cảm biến mực dầu.
 low oil warning light n. =
ENGINE OIL LEVEL WARNING
LIGHT: Đèn báo mực dầu.
low-pressure cut-out n. device
which protects the air conditioning
system by switching the
compressor off when a pressure
loss occurs: Van áp suất thấp
bảo vệ máy nén (điều hoà).
 low-pressure foaming n.
process in which plastics are
foamed under low pressure (1-5

low spot n. indentation on a panel
surface: Vết lõm trên thân xe
low temperature activity n. denotes
the ability of a catalytic converter
to purify exhaust gases in the
warm-up phase following a cold
start: Khả năng hoá khử ở nhiệt
độ thấp.
low temperature fouling n. =
CARBON FOULING: Đóng muội
do nhiệt độ thấp
low tension n. low voltage: Hiệu
điện thế thấp.
low voltage circuit n. = PRIMARY
CIRCUIT: Mạch sơ cấp, mạch
hạ thế.
low zinc technology n. technology
used in present-day phosphating
processes: Công nghệ mạ kẽm
mới.
L-section ring n. special piston ring
characterized by its L-shaped
cross-section: Mặt cắt xécmăng
dạng L.
LT circuit n. = PRIMARY
CIRCUIT: Mạch sơ cấp.
lube n. (informal) LUBRICATION:
Sự bôi trơn.
 lube oil = LUBRICATION
OIL: Dầu bôi trơn.

 lubrication point = place at
which to apply lubricant: Chỗ bôi
trơn, điểm bôi trơn.
 lubrication pump = pump used
to supply oil to lubricating points,
particularly for plain bearings:
Bơm nhớt.
 lubrication system = the
system in the engine that supplies
engine parts with lubricating oil to
prevent contact between any two
metal surfaces: Hệ thống bôi
trơn.
lug n. (a) device mounted on a
rotating shaft or component that
engages in a recess of a
component to be driven: Mấu
khớp (trục)
luggage n. travelling bags or
suitcases: Hành lý.
 luggage carrier = rack bolted
on top of the boot lid for taking
luggage or the spare wheel (often
seen on old sports cars where
space was at a premium): Giá
mang hành lý.
lugging n. US = LABOURING
lug nut n. US = WHEEL NUT
lumbar support n. seat support for
the lower back: Thanh chống