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The Oakville Beaver, W e d n e s d a y July 2, 2003 - B3 *1 I Disc or drum brakes? N ot until the la st few ye a rs have m a n u fa ctu re rs d e cid e d to m ake four-w heel disc brakes available on m ainstream cars, not ju st sports and high-p rice d luxury cars. D isc b rakes, _. . b ecause they clam p a spinning rotor to w h ich Top view the tire is bolted, have m ore sto p p in g po w e r # of disc brakes than d rum -style brakes. Plus, there are few er m oving parts, such as return springs, adjusters and the like. H ere are the m a jo r differences. Toronto Hyundai O p e n in g W in te r 2 0 0 3 Disc brakes (cutaway) Brake caliper Brake line (filled high-pressure fluid) Brake pads Caliper pistons are forced away from the caliper by increasing pressure from brake fluid caused by pushing the brake pedal. B rake pads contact the rotor when forced by the caliper piston. The pads normally wear out. along with the rotors, which should be resurfaced with each set of new pads. Cooling ribs W heel lugs ventilate the disc as it turns. In most cases, front rotors are ventilated and rears are solid. Most rotors are made of cast iron. On some high-perform ance vehicles, they are machined from a single block of steel or m ade from carbon fiber for racing. W heel cylinder pushes brake shoes outward to contact spinning drum wall are usually larger than the rear rotors. Larger rotors give the brakes more leverage for quicker stops. W hen slowing, the w eight shifts to the front w heels, which means the front can handle m ore braking power before the w heels and tires lock up. Front rotors Photo supplied by Oakville Hyundai HYUNDAI EXPANDS: Oakville Hyundai owners, Ronald Chan and Benny Leung, center from left, recently held the groundbreak ing ceremony for the expansion o f their Toronto Hyundai dealership. In attendance was the President and CEO of Hyundai Canada Steve Kelleher, second from right, and dealership staff. When completed this winter the new facility will be 12,000 sq. ft. Drum brakes (cutaway) U nlike d is c brakes, all co m p o n e n ts o f d ru m b ra k e s a re c o n c e a le d w ithin the b ra k e d ru m . Check air conditioning systems once a year Air conditioning works on the principle If you have an older car, it may be possible that evaporating fluid takes heat out of the air. to convert the air conditioning to R -134a. Ask The refrigerant vapour is first compressed to your car service provider about conversion liquefy it, then it evaporates. This chills and · kits. If not, be aware that R-12 is no longer dehumidifies the air coming into the car. being manufactured. While stocks are avail The refrigerant that has been used with able. their use is tightly controlled and a great great success over the years has been Freon, or deal of care is taken to prevent leaks and spills R-12. However. R-12, as a chlorofluorocar to protect the ozone layer. A number of bon (CFC). has been partly responsible for provinces completely prohibit the use of R -12. depletion of the ozone layer. In the last couple You should have your air conditioning sys of years, car manufacturers have converted to tem checked at least once a year to make sure R-I34a. a hydrofluorocarbon (HFC) that is it has no leaks, seals and belts are in good much less harmful to the environment. shape, and it's running efficiently. As it cools, the air conditioning system also takes moisture out of the air. The air condi tioning is usually coupled with the windshield defrost so that it will clear the window more quickly. There is always a concern when you walk towards your car and see a pool of some thing underneath. In summer your air condi tioner takes water out of the air, and it drains onto the ground. So if you have been driving with the air conditioning on. and then you park, don't panic when you will probably see the water draining from the air conditioner and a puddle under your car. Brake drum surface (drum rotates on hub) Brake shoe surface Brake-shoe retainers attach shoes to a backing plate, which bolts to the stationary axle housing. Brake As the drum s and shoes wear, the threaded adjuster autom atically takes up the slack. COPYRIGHT WHEELBASE COMMUNICATIONS IM P R E Z n rO R G S T G R t-E C iA C Y H tO E S TSIRTf » .A T N G SUBARU SUBARU Y o u r A l l - W h e e l D r iv e C a r C o m p a n y ! INQUIRE ABOUT OU» PROTECTION PIAN *v> S U B A R U IT'S A S U B A R U S U M M E R !!! IM P R E Z A T u rb o C h a r g e d F o r e s te r W R X · H o rizo n ta lly -o p p o sed , 4 cylinder, " b o x e r " e n g in e w ith in terco o led tu r b o ch a r g er and A c tiv e V alve C o n tro l S y stem (A V C S) 2.5 litre, D O H C , 16 valve · Power: 2 10 hp @ 5 2 0 0 rpm · Subaru fu ll-tim e A ll-W h e e l D rive · A B S, 4 -w h eel, 4-ch a n n el, 4 -se n so r · Child p r o te c tio n rea r d o o r lock s · Dual fron t airbags (SR S) · S id e-im p a ct airbags (S R S ) w ith h ea d and c h e s t p r o te c tio n (fron t se a ts) · F oldable p o w e r /h e a te d o u ts id e m irrors · V ariable in te r m itte n t w in d sh ield w ip ers · A ir co n d itio n in g (C F C fr ee) · A u to m a tic c lim a te co n tr o l · D ual trip o d o m e t e r · O u tsid e te m p e r a tu r e display · S p o r t g a u g es · F ron t m ap lights and m u ch , m u ch m o re! Starting f r o m · 2.0L D O H C , 16 valve, h o r izo n ta lly -o p p o sed , 4 cylin d er b o x er en g in e w ith tu rb o c h a rg e r and in te r c o o le r · 227 hp @ 6 0 0 0 rpm · 4 -w h ee l fu lly -in d ep en d en t su sp en sio n · P ow ei^ assisted b rakes w ith dual diagonal sy s te m · A B S 4 -w h e e l/4 -c h a n n e l/4 -se n so r · E ngine sp e e d se n sitiv e , p o w er a ssiste d rack and pinion ste e r in g · A irb ags (SR S): D ual, d river and fron t p a sse n g er · A irb ags (SR S): D ual, fron t se a t sid e-im p a ct w ith h ead and c h e s t p r o te c tio n · S ecu rity: K eyless e n try sy s te m w ith panic alarm · S tru ctu re: S id e -im p a c t d o o r b e a m s (fro n t and rear) and m u ch , m u ch m o re! · 2.5 L D O H C , 16 valve, h o rizo n ta lly -o p p o sed , 4-cy lin d er b o x er e n g in e w ith A ctiv e Valve C o n tro l S y ste m , high b o o s t tu rb o ch a rg er and STi large ty p e in te r c o o le r w ith m anu al w a te r spray · S e m i-c lo s e d d eck d esig n , and Iridium spark plugs · 300 hp @ 6 0 0 0 rpm · 6 -sp e e d m anual (6M T ) · Subaru sy m m e tr ic a l fu ll-tim e A ll-W h eel D rive sy s te m · 4 -w h e e l fully in d e p e n d e n t, STi sp o rt tu n ed su sp en sio n · P ow er-assisted b rak es w ith dual diagonal sy s te m · S u p er S p o rt A B S , 4 -w h e el/4 -ch a n n el/5 -sen so r · B rem bo® high p erfo r m a n c e brake sy ste m · E ngine sp e e d se n sitiv e quick ratio ( I 5.2), p o w er-a ssisted rack and pinion ste e r in g · A irb ags (SRS): D ual, drive and fron t p a ssen g er · A irb ags (SR S): F ront s e a t sid e-im p a ct w ith h ead and c h e s t p r o te c tio n · S ecu rity: K eyless e n tr y sy s te m w ith panic alarm · S ecu rity: A n ti-th e ft sy ste and m u ch , m u ch m ore! See dealer for further details See dealer for further details S t a r t in g f r o m See dealer for further details $ 35, $ 35,495 3 & B u d The d family S ' business S Uthat B A R U service built. 9 0 5 .8 4 5 .2 8 0 0 Tlif> f.tmilv ttmt ^prvirp limit $ 46,995 O A K V IL L E 'S O N L Y A U T H O R IZ E D S U B A R U D E A L E R SALES SERVICE PARTS · Every vehicle reconditioned against highest standards · 30 Day exchange privilege · 6 month minimum warranty * No Pressure sales experience · Exceptional service 513 Speers Road. Oakville www.butldssubani.com