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PAGE TEN Hear! Hear! a Car Cave Quiz The Canadian Statesman, Bowmanville, Wednesday, Nov. 20,1974 Cowbysridig te lnesoe rngeoftn tlkedto hei horses for wnrof better conversational company, although there is no record of the horse ever answering in intelligible English. Your car often communhcates with you and when j' does.it's usually in the form of a complaint. See if you can Identify the following sounds in terms of what your car is complaining about. 1.Your brakes squeal A.Preignition. . A screeehing sound wh when applied. 'Two of these conditions may be the cause: A. Waiher conditions are cold and dafnp, affecting linîngs. B. You are low in hrske fluid. C.Steering linkage is rubbing against the brakes. D- Brake linings are worn. 2. Upon sudden accelera- lion, there is anengine sound something like the rattling of B.B. shoi in a tin can. The cause is Most likely: A. Air eleaner is loosely nsounted. B. Detonation (pinging) or spark knock. C. Dirt particdes in the cooling systen:l. 3. You hear what sounds -like the chirping of irds fronthIle engine cornpartmnent. A ikely cause is: A. A dry fan belt. B. An unusual wind con- dition on the grille. C. Carburetor icing. D. Birds in the engine compartment. 4. Low-key rumýbling sound in the engiue, particu- larly accomupanied by power los$ and stalling, probably means two of the following: B. Worn bearings. C. Worn pistons andior rings. D. Thermostat needs ad- justmnerIL 5.There's no sound but a lick when you turn the ignition key., Two prob- able causes are.« A. Batery is dead. B.Starter niechanism is defective. C. Spark plug -ire is worn. D. You're out of gas. 6.There is a tbumping sound from a tire. As- suming it's not the fanit of the road surface, probable reason is" A. A defet in the tie rod. B.A power steering sys- tem lcakage. C. A defect in the body of the tire. 7. our car suddenly de- velops a "sports car rap" 'and makes excess noise under the ehassis. The cause is undoubl- edly: A. -A leaking exhaust sys- 1cmr. B. The gasoline you're using is ton powerful for your engine. C. Due to fibrilation, your.engine is expe- riencing -horsepower surge. _ Pvlugs Need Change Every 10,000 Miles hen wheel as far as it wll go usualiy means: A. Defective steering linkag;e. B.Underinflsted tires. C.Worn or loose power steering beit. 9. Upon shutting off the ignition, the engine, keeps rnnning, sound- ing something like jack Benny's old Maxwell. Two of the possible causes are: A. Gatoline is of too high an octane. B.The enzine is running ton eold. C. The idle speed is set ton fast. D. Fuel mixture is ton lean at idle. 10. There is the sondé of a quiek, insistent rapping on metal, like a wood. pecker was at work un- der the bood. It is most likely: A. A defective alternator 1or generator B. Sticky hydraulic valve lifters. C. A craeked distributor cap. ANSWERS: (SIUO!Iajd.iJ0l.101 ialiWo aajaj1aff aîuocan/ .ox oj dul v o uuîas suo!tîpuoi 0aasp /0 -£UV) a*fl fl '(110:) 6 3 *8 'VL *r 9 fl Jo 'S 'D.10 f 'v J ii OV DID YOU KNOW FREE COURTESY CARS LOW SUBURBAN. OVERHEAD FACTORY-TRAINED TECHNICIANS OWASCO VOLKSWAGEN LTD. Porsche + Audi 1425 Dundas St. E, Whitby 668-9383 6,0 00 MILE'or 6 MONTHS SERVICE.PARTS-LABOUR FULLY GUARANTEED A spark plug may look good to the casual observer after 15,000, 20,000 or even 30,000 miles. $0 why change plugs ai ter 10,000 miles of use in your family car? There's a good reason accorcling to experts. The 10,000 mile change recom- mendation is not actually based on the fact that spark plugs are "worn out" in the strictest sense after 10,000 miles of service. Thils figure - selected after extensive sparkplug lfe tests - merely repre- sents a safety factor be- yond which plugs may misfire under the sudden demands of peak acceler- ation or extremely heavy load. Gas Economy Drops It also represents the point at which gas econ- omny begins to drop. In addition, the car is harder to start, power is lost in passing. A spark plug is con- sidered worn out when At reaches the point where it is likely to misfire - re- gardless of its appearance. And, contrary to populir opinion, misfirlng doesn't necessarily mean the pI g didn't create a spark. It means simply that t ie plug failed te ignite t te gasoline properly-whet i- er a spark was produc ýd or not! A new spark plug wi h the correct gap setting needs about 5,000 volts to fire. However, as the pi g remnains in service, con- stant heat and chemical attack plus electrical erp- sion cause t he gap to b - coame wider, thus increaÊ- ing the amount of voltage to fire the plug. Gap Gets Wider Spark plug gap growth occurs at a rate of about .001 inch for each 1,000 miles of driving. Conse- quently, a set of plugs that has been in service for 10,000 miles generally wil! have gaps that are.about .010 inch wicler than the original settings' and higher voltage is needed to make them spark. ,And, this is only for normal drlving. Operatlng the engine at very high speed can decrease the amount of coil voltage available to fire the spark plugs by 30 to 40 percent! Stan ,winter with a tune-mup. Thon start winter 10m"Lng. Speeializing In r7High Performan ce1 Engines Chasis and Suspension Modification OurI -'-c., / ~ 8 YeJ's of f roven Racetrack Performance Is You Guarantee of- Quality Workmanship We'll Put "Muscle" Back Into Your "Mean" Machine B ruce Fitz gibbon Enterprises iQueen St. 623-735 9 BOWMANVILLE" On the South Sideof Pine Ridge Automnotive Supply CAR CARE SUPPLEIMENT Accelerating to pass on a highiway may practically dlouble the voltage burden, on the spark plug. Needs Moire voltage That's why -nisfiring is flrst noticed while accel- erating because it's here that the plugs actuaily can require more voltage to produce a spark than the ignition system is ca- pable of producing - es- pecially if the plugs are badly worn. Remember, as plugs re- main in servie, more volt- age iS needed to make themn spark. As the ignition system ages., its> ability to produce high voltage lessens. if the point is reached where the spark plugs require more voltage to spark than the systemi can produce, the spark plugs misfire. 1Changing spark plugs at 10,000 mile intervals pre- vents this from happening.