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The Mercury Cars Guide : May 8th 2010
4--- Classifieds 62 300 400 • carsguide.com.au Saturday, May 8, 2010 Suspension damage on shaky ground Motorists drive over potholes every day, but just how much damage are they doing to our vehicles? Mark Hinchliffe finds out I am convinced speed humps can present a real threat to road users as well as local government budgets. But the powers that be refuse to consider any evidence against them' THOSE suspension rattles and squeaks could be cau- sed by the potholes on our roads. An American study has revealed potholes and other road blemishes cost motorists about $335 a year in repairs. RACQ Technical services manager Steve Spalding said they had not quantified the cost to motorists, but he agreed that potholes cost motor- ists. ''Potholes hit at speed present a real risk of suspension and wheel damage,'' he said. ''We hear of these sorts fo things all the times. Particularly alloy wheels are at risk of damage.'' However, he said speed bumps were not a big contributor to suspen- sion damage. ''The whole point of a speed bump is to reduce speed,'' he said. ''So if you drive over them at the appropriate speed there should be no damage to your vehicle.'' But British independent consumer motoring expert ''Honest John'' has claimed speed bumps can not only damage vehicles and have a long- term impact on their safety, but also damage roads. Honest John says when travelling over a hump, the weight of a vehicle is distributed to the inside of a tyre rather than evenly, and the sloping design of humps drags the edge of the tyre along them, putting pres- sure on the tyre and body of the wheel. ''This increased stress on tyres has serious consequences, as they can become worn at a much faster rate and, in some extreme cases, the damage can even lead to the side walls collapsing at high speed, en- dangering driver and passenger safety significantly,'' he said. ''Travelling over speed humps also increases wear on the suspension, in particular the shock absorbers, which have a vital effect on braking and stopping distances. And in some cases with larger vehicles or those with a low ground clearance, speed humps can cause direct damage to the underside and bodywork of the vehicle.'' He believes that vehicles mounting a speed bump send shockwaves through the ground, damaging the road substructure and potentially even nearby buildings and walls. UK building regulators have recog- nised the damage speed humps can do and require they are not built within 25m of bridges, subways or tunnels. ''I am convinced speed humps can present a real threat to road users as well as local government budgets. But the powers that be refuse to consider any evidence against them.'' TERRITORY TX RWD $37,990 DRIVEAWAY† Price includes prestige colours Dyn mic t ility ontrol Du l ront nd side curt in ir gs ruise control †Limited offers available on new vehicles at Tilford. Private and ABN buyers only. Tilford and Ford Australia reserve the right to change or extend these offers. ^When fitted with a Genuine Ford heavy duty towpack and load levelling kit. Manual models only. Subject to State and Territory regulations. *Figures obtained from controlled tests using ADR81/02. Actual fuel consumption will depend on many factors including driving habits, prevailing conditions and your vehicle s equipment, condition and use. Focus LX manual 7.1L/100km. ~iPod is a trademark of Apple Inc. Connection cable sold separately. #Bluetooth is a registered trademark of Bluetooth SIG Inc., and is used under licence. ‡Extended warranty based on a 3 year/100,000km Factory Warranty plus 2 year/100,000km myFord Extended New Vehicle Warranty. Extended warranty expires when vehicle reaches earlier of 200,000km or 5 years from date of first registration. DTA0398_HM FOCUS X AT AUT $23,990 DRIVEAWAY† Price includes prestige colours 4 speed utom tic with equenti l ports hi t Fuel e cient 2.0 engine, 8.2 /100 m* Dyn mic t ility ontrol P3/iPod connectivity OFFER EXTENDED RANGER 4X4 X T REW A PI -UP $39,990 DRIVEAWAY† Price includes prestige colours Up to 3000 g towing c p city^ 3.0 Tur o Diesel engine 5 speed m nu l 4 ir gs A FIESTA ZETEC 5 D R $21,990 DRIVEAWAY† Price includes prestige colours luetooth with Voice ontrol# Dyn mic t ility ontrol Economic l 1.6 engine, 6.1 /100 m with m nu l tr nsmission* TILFORD PTY LTD 23 0200 EXTENDED FACTORY WARRANTY to 5 years/200,000km on all utes and trucks‡
May 1st 2010
May 15th 2010