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2008 Ford Ter­ri­tory has done 50,000km and has a knock­ing noise in the front sus­pen­sion. The dealer checked it at the last ser­vice and told me that ev­ery­thing is OK, but it is still do­ing it. Is this is a fault with them?

Geoff Clas­son, email The Ter­ri­tory is well known for front-end prob­lems, and I sus­pect yours could be suf­fer­ing from the same is­sues. The ball-joints wear and even­tu­ally re­quire re­plac­ing. Get the dealer to make a spe­cific check of the ball-joints. Ford has done that check free in the past and should do it for you.



AM quite happy with the per­for­mance of my 2004 2.4-litre Du­ra­torq tur­bod­iesel Ford Tran­sit that I plan to drive around Aus­tralia, but I would like to im­prove the fuel econ­omy. Can the en­gine be run on bio- diesel, or will it foul up the in­jec­tors and en­gine, caus­ing ex­pen­sive re­pairs? Do you know if a ‘‘diesel power’’ chip im­proves fuel econ­omy for this model? Should I fit the Tran­sit with a sec­ond re­serve fuel tank to in­crease its range and re­duce fuel costs by buy­ing fuel only in ma­jor cen­tres? Rick Owen, Northam, WA. The en­gine would run on bio-diesel, but if you swap you should ser­vice it and re­place fil­ters etc. af­ter run­ning a tank of bio through it. The bio-diesel will re­move all the var­nish that’s built up in the fuel sys­tem and that will ac­cu­mu­late in the fil­ters. It should be fine af­ter do­ing that ser­vice, but I wouldn’t ad­vise do­ing it un­less you can get bio-diesel wher­ever you go. It’s not a good idea to be switch­ing back and forth. A ‘‘power chip’’ is claimed to im­prove the econ­omy, but you need to drive ac­cord­ingly to achieve the claimed im­prove­ment. Most peo­ple don’t get the econ­omy ben­e­fits be­cause they make use of the in­crease in power it also delivers. Fit­ting a sec­ond re­serve tank would be a good move. That way you can take ad­van­tage of price swings and buy when the fuel is cheap­est. Tran­sits are prone to turbo fail­ure, so I‘d have the dealer check that be­fore you go bush.



read­ing about the click­ing noise in the rear of the AU Fair­mont I thought I’d tell you about the sim­i­lar prob­lem I had with a BA Fal­con XR8. I had a com­plete brake re­fit, but the prob­lem was a bent axle, which I was told oc­curred through hit­ting pot­holes, and made worse by the low-pro­file tyres on the XR8. Hope this helps.

Greg Le Fevre, email That’s pos­si­ble, but you would have to hit the pot­holes very hard and very of­ten, even with the low-pro­file tyres, to bend an axle, and I would have thought you would have picked up by a wheel shake in­stead of a ‘‘click­ing‘‘ noise. I would also have thought you would break a wheel be­fore bend­ing an axle.



3.0-litre Isuzu tur­bod­iesel has done 125,000km. It has al­ways been ser­viced by the book and runs fault­lessly, but the coolant looks scummy and smells a lit­tle like diesel. Does the coolant go off, or is it pos­si­ble for diesel to get into the cool­ing sys­tem?

Les Haughton, email Coolant should be changed reg­u­larly, an­nu­ally at least, but the in­ter­val should be shown in your ser­vice book. It can look a lit­tle oily, but that’s not an is­sue, and be­cause your ve­hi­cle is run­ning well with no sign of a prob-

Ball-joint wear: a Ford Ter­ri­tory has a knock­ing noise in the front sus­pen­sion.

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