Quote:
Originally Posted by dhr90
On the topic, what is best practice when going down steep hills, being an auto its easier for the car to run away with itself it feels and you don't get that engine braking so much, best just to let the gearbox do its own things and use the brakes, hoping not to cook them?
Or knock the lever over into 's' and using manual override to pick a gear to get some engine braking effect?
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I use the 'box manually when descending longer hills to get engine braking. This is the first auto 'box I've had where the torque converter free-wheels below a certain speed & gives zero engine braking, whereas a Merc I used to have detected when you were descending a hill & automatically selected a lower gear to provide engine braking. Someone on here said the free-wheeling is for "emissions reasons" although I find that difficult to comprehend.