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What is a M1165?

PERFORMANCE — The M1165 is an Expanded Capacity Command and Control/General Purpose HMMWV. It is a four-man vehicle which can be used for a variety of missions, from command and control to armed patrol, and is available with an optional Weapons Mount and Turret.

When starting out under normal conditions in what position should you place the transmission?

While preparing to drive a HMMWV forward under normal conditions, in what position should you place the transmission and transfer case shift levers? Slow down prior to reaching the curve.

What is 3rd gear?

3 – Third gear To be used when you require more power but less speed and to prevent the transmission from shifting to a higher gear. These gears may be used when going up or down hills and on road conditions like slush, loose gravel, snow, sand or ice, where you need more power but less speed.

What happens if I drive my car in 3rd gear?

This shouldn’t cause any damage. Unless you go so fast that you over-rev the engine for a long period because it can’t go into a higher, more suitable, gear. I doubt driving it in 3rd did any damage – you were just running the engine at a higher than normal speed, which if everything else is okay – should be fine.

How fast should you go in 3rd gear?

What gear for which speed

Gear Speed
2nd Gear From 5mph to 15mph
3rd Gear From 15mph to 30mph
4th Gear From 30mph to 40mph
5th Gear 40mph upwards

Should I drive in 3 or D?

When set to 3, only the first 3 gears are used. The overdrive gear is not used. When set to D, the overdrive gear will be used when appropriate. In the vast majority of driving situations, D will be sufficient.

What is D and S in automatic car?

A traditional automatic gearstick has a PRNDS layout—P for park, R for reverse, N for neutral, D for drive, and S for sport mode. Certain gearsticks have an L (low) setting, which keeps vehicle speed low and engine speed high, for more pulling power.

What does the 3 next to drive mean?

The gears are in order. The way most automatic transmissions work is when you select a numbered gear, you are limiting the transmission to going no higher than that gear. So, 3, or third, is just preventing your four (or five) speed car from going into fourth (or overdrive (which is what D would allow)).

Is driving in third gear bad?

But if it is a transmission that does not have an overdrive gear or overdrive is a gear greater than 4th (fourth gear trans final output ratio is 1:1 or greater), then driving in third is not recommended; although, as stated, it can be done with usually minor consequences (higher trans temperatures, greater engine wear …

Does revving the engine burn gas?

Unnecessary revolutions will inevitably use fuel. Each revolution of the engine under power consumes a small amount of fuel. If the car is in idle and the revolutions increase the engine will still consume more fuel although not as much as would be consumed under a load.

Should I warm my car up before I drive it?

Auto experts today say that you should warm up the car no more than 30 seconds before you start driving in winter. “The engine will warm up faster being driven,” the EPA and DOE explain. Indeed, it is better to turn your engine off and start it again than to leave it idling.

How long can you leave a car running?

Many years ago, it was a good idea to start an engine and let it idle and run for a few minutes before putting it into gear and heading off to your destination. Now, engines are much more efficient. If you let your engine run for about thirty seconds to a minute, you should be good to go.

Is driving fast bad for your car?

If you go faster, you will use more fuel per mile driven and your transmission may not be able to keep up. Also, driving that fast means extra stress on all the small moving parts of your engine, and that can cause early wear.