changing down manually with an auto box will A. burn the fluid and B.kill brake bands and/or kill the solenoidsgreenplane said:If you use the gear box for slowing down this improves the economy but not much.All Depends on how you drive, or Your Driving Style!
Most likely rip the mountings off.mdvineng said:changing down at high speed will certainly wreck it sooner than later (possibly shattering the housing).
I passed my test just 3 and a bit years ago and I assure you I was instructed to use engine braking where approporiate; i.e. approaching roundabouts. It's actually quite a contentious point, as many people have strong contrasting views; many will cry of the environmental impact of engine braking being more effiicent, others bemoan the fact of the damage inflicted on the cogs. I tend not to do it as the effect is usually minimal anyway, but each to their owngreenplane said:As for costs of things Learners have been trained since the late 80's to use their brakes and not the gearboxes, however when i was trained i was told to use both as what happens when the brakes fail?????