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Car Forum / Ford / Ford Falcon / September 2004using your automatic as a brake
There are many situations where dropping to a lower auto ratio will reduce the need to apply brakes - this is so whether or not you have a sequential shift. But I have seen no discussion of the relative economics. For all I know the wear and tear on the auto transmission may prove more costly than burning up brake pads. Yet I have a feeling that auto transmissions can take whatever punishment is involved. The management systems in current models will reject downshifts outside acceptable parameters. I suppose it comes down to the relative life of pads as against bands. > There are many situations where dropping to a lower auto ratio will > reduce the need to apply brakes - this is so whether or not you have a [quoted text clipped - 5 lines] > reject downshifts outside acceptable parameters. > I suppose it comes down to the relative life of pads as against bands. The wear only occurs during the actual change-down. The best way is to back-off the juice as you approach the downwards commencement.,..pull it back a gear (to 2nd) while its coasting so as to minimise wear,.. With older autos which donot change quickly, I always back off the throttle to persuade the trans to go into 3rd (top-gear) sooner than it normally would and to save wear. I've an old 351 with an FMX inoriginal condition, and while it has some change quality problems under full power and it takes forever to go into reverse when its hot (worn oil-pump), its still going fine after 6 more years and 35,000 ks. Jason My experience over about six vehicles is that automatics are trouble-free. One Ford needed a re-build (reverse failed) but that was after 140,000km. And a Peugeot needed one too but that was after 190,000km. My F150 (close to 200,000 km) has only had a modulator replaced. So maybe I will make increased use of dynamic braking - at least with my RTV. Thanks.
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