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Downshift when going up hills or when you want to slow down
Once the computer tells the transmission to downshift the car should in theory downshift just as quickly as it upshifts.
It is important to know when to effectively downshift the brakes. The only time when you should downshift is when you intend to travel a hill downwards. It will most probably wear out the clutch, but doing it is still a better option. You can use the brakes, but it will generate a lot of heat. Eventually it can make the brake fluid to boil. It can make it difficult in handling the car. However, it is only in these situations you should downshift.
The purpose of the automatic transmission is that is shifts for you. You'll want to lock your transmission into your ideal gear for going up and down steep inclines to prevent it from downshifting, but, other than that, you typically let the computer do the shifting for you.
Before a hill and before entering
Before a hill and before entering
Downshift when going up hills or when you want to slow down
Nvd
My 2000 D250 turbo diesel hesitates and all the gauges go crazy when it is shifting in to gear at around 60kms and 80kms. I had it in and they thought it maybe the air filter. It wasn't still going it.
When climbing a steep incline. The automatic transmission will always try to engage a high gear.
1) before starting down a hill 2) before entering a curve
Downshift. Allowing or operating the clutch to make it slip causes friction which causes heat which causes premature wear to clutch parts which causes unnecessary repair bills.