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= 16 -- Scugog Citizen ~ Tuesds a y, Hay 1996 ' [Y 'Proper maintenance goes a Lon way 3) the engine may need to be overhauled due to worn piston rings or valves. If an exhaust 'analyzer The environment soon may surpass' our other worries as the primary issue of concern to "Canadians. Increased fears about the quality of our air and water are heightened by recent reports of holes in the ozone layer. Nearly two-thirds of total carbon monoxide, more than a quarter of the hydrocarbons and a third of the nitrogen oxides which pollute our v atmosphere come from motor vehicles. These \ percentages will decrease dramatically as the vehicle population, with enhanced emission control systems, gets younger (a 1972-1975 model car produces as much-pollution as four new cars). Another factor: as we improve the overall maintenance of existing vehicles we significantly reduce harmful exhausts. Periodic checkups, along with necessary maintenance, can make a big difference in exhaust emissions. Even the simple replacenint of a dirty air filter, one of the most, offending " components, can reduce frissions and save gas. e Car Care Council of the Automotive Industries Association of Canada offers a few more things you should know about engine conditions. If your engine is smoking out of the exhaust, it may mean: 1) the fuel system is malfunctioning; 2) the engine control computer system is malfunctioning; YOU BEND' ™ Manchester Collision Service 1223 KING ST, MANCHESTER UNIBODY REPAIRS CARS - TRUCKS 985-1036 SPECIALIZING in TRAILERS A ( NORTH PORT AUTO SERVICE Repairs to Trucks & Cars Rebuilt & Guaranteed Motors 131 NORTH PORT RD., Unit 4 985-2046 anthony "All Work Dorie by Licenced Mechanic a A &} ge iS IL D. ALES yurham's Largest Wh 520 TAUNTON RD. E., OSHAWA 403) (28-2 shows. high. carbon monoxide content, it may mean: 1) the air filter is dirty; 2) the PCV (positi system is clogged; 3) the cold start system is operating tootrich; 4) the ignition * timing is incorrect adjusted; 5)o the thermostatic air control is malfunctioning; 6) the air injection system is malfunctioni crankcase ventilation) If an exhaust 'ahalyzer shows high hydrocarbon content it may mean: 1) fouled spark plugs; 2) faulty spark plug wires; 3) faulty ignition timing; '4) the fuel system is too rich; 6) there's a vacuum leak. For most care, with their . ignerous sensors, computers and ether electronic circuitry, accurate diagnosi®s a prerequisite to a proper tune-up. In the long run this service, along with a complete tune-up, can save time, fuel and, of course, the environment. Car Beginning To Burn Oil? Here Are Facts of Engine Life An early warning sign of engine wehr is excessive oil consumption, usually accompanied by blue-black + exhaust smoke. A common reason for this condition is worn valve guide seals, according to Car Care Canada of the Automotive Industries Association of Canada. The valves in a typical engine may open and close as often as 100,000 times per hour at 'highway speeds. The atom of the valve, sliding up.and down its guide, is fitted with a special seal designed to permit only a limited amount of oil to, pads. | (Some oil is necessary for lubrication.) When these seals wear or harden, oil burning begins. Many to the conditions which cause an engine to burn oil prematurely are dué to vehicle neglect. [CODD ALTERNATOR - STARTER - PORT PERRY SEAL SERVICE & AUTO PARTS™ = 131 NORTH PORT RD, UNIT3 PORT PERRY 985-1545 AUTO WRECKERS Used Car & Truck Parts We buy Scrap Vehicles (905) 986-4281 RR1, Blackstock, Ontario 3 Miles East of Port Perry on Hwy. 7A Fort Perry AUTO SALES LTD. USED CARS & TRUCKS 1994 GMC Sierra 1/2 Ton 7 Whoa Dive $15,950, 1990 Silverado 2WD . ronal. = $1405 1987 PULSAR NX 2 $4,995, Piston rings, for example, can wear out prematurely becausé of the owner's failure to change the oil and filter regularly. Worn rings lead to excessive oil consumption. There's only one satisfactory cure for worn piston rings: major engine work, which normally is accompanied by replacement of bearings, tirfling belt or chain, valve guides and' other worn internal components. At that time valves' are ground or, replaced. ~ This procedure, combined ith a complete tune-up, usufilly will return the engine to nearly new performance. : With proper maintenance an engine should go well beyond the 160,000 km mark without needing an overhaul. Check engine oil Tegubatly, recommends Car' Care Canada. If oil is over- full or smells like gasoline, it may be diluted with "gasoline, thereby having lost some of its lubricating qualities. ¥ you have to pump the accelerator to keep the engine from stalling, you may be pumping raw gasoline into the crank case. This situation can be avoided by keeping the engine in tune. ! Misfiring spark plugs can aggravate -a situation such as - this because 'they permit raw, unburned gasoline to wash info the crank case.jNot only does this create hard starting, it also accelerates wear due to diluted'engine oil. Another factor in oil burning is a malfunctioning positive crank case venfilation (PCV) valve, which is intended to route 8il, vapours through the' combustion chamber rather than permitting' them to escape into the atmosphere. If the PCV system is not in proper working order, it can be the cause of oil burning. ; Remember: excessive oil burning is a condition that gradually worsens and can affect other aspects of the engine. Like so many other car troubles, says Car Care Canada, early detection and correction are essential. VAN & TRUCK WORLD Light Truck & Van Accessories & Installations B.Running Boards "HW Trailer Hitches « "H Bug Shields IB Truck-Caps 1 Box Liners