LOW BRAKE PEDALFarther than normal brake
pedal travel before braking begins.
LUG NUTLarge steel nuts, used to hold a wheel
into the axle hub.
LUG STUDSpecial bolts that are press-fit into the
axle hub and accept lug nuts to mount the wheels of
MACPHERSON STRUTESuspension system that
uses one control arm and one strut for each wheel.
MAGNETIC FIELDField of force generated
around an electrical conductor.
movement (such as rotation) and induced current
to produce a signal for a computer.
powerful microprocessor in a system of the
M A I N T E N A N C E - F R E E B A T T E R YOne
without removable filler caps that does not require
periodic filling with water.
bleeding using only the master cylinder.
MANUAL TRANSAXLEOne with a manual
MANUAL VALVEIn an automatic transmission, a
valve actuated by the gearshift lever that routes oil
pressure to the components required for the
pump that develops pressure for the braking
M I L K Y F L U I DCondition
contamination of transmission fluid by engine
MINIMUM DISC THICKNESSThinnest
dimension allowed for proper and safe operation
of disc brakes.
MOVABLE POLE SHOEDevice that uses a yoke
lever to move the pinion gear into contact with the
MULTIPLE DISC CLUTCHOne with several
discs that can be used to drive planetary gearsets.
MUSHY SHIFTTransmission changes too slowly.
NEUTRAL SAFETY SWITCHSwitch
prevents engaging the starter when the vehicle is in
NEUTRAL SAFETY SWITCH ADJUSTMENT
Altering position of the switch to permit starting of
the engine when gear selector is in the PARK
NONDRIVING HUBOne that rotates freely on
spindles (axle ends).
NONINDEPENDENT SUSPENSIONSystem in
which wheels are attached to each end of a solid
OHM'S LAWA simple formula for computing
unknown electrical values when two values are
ONE-WIRE CIRCUITOne that uses the vehicle
frame as a return wire to the power source.
OPEN CIRCUITElectrical circuit with a gap or
break in continuity so that current cannot flow.
OPEN LOOPControl system using preset values in
the computer to operate the engine.
OUTBOARD CV-JOINTThe outer universal joint
on a front-wheel drive vehicle.
OUTER STUB SHAFTIn a front-wheel drive
vehicle, the short shaft connecting outer universal
joint and the front-wheel hub.
OUTPUTThe signal sent by a computer as a result
of processing inputs it has received.
OUTPUT SHAFTTransmission shaft on which the
output gears are mounted.
OUTPUT SHAFT GEARSGears that turn the
output shaft of a manual transmission.
OVERDRIVE RATIOThe situation in which a
large gear is used to drive a smaller gear with an
increase in speed as a result.
OVERRUNNING CLUTCHDevice that locks a
pinion gear in one direction and releases it in the
PACKING WHEEL BEARINGSFilling
bearing shells with grease to prevent excessive
transmission so that the vehicle will not roll when
the selector lever is in the PARK position.