Quote:
Originally Posted by joshDub
Relying on a manual to stay in gear as an ebrake is a risky game. You need to use both, not one or the other. It is too easy to bump it out of gear, or for you to have not engaged it all of the way without knowing. Also depending on how steep your hills are, engine compression might not even be enough.
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Leaving a car in ist gear (manual) or Park (auto) is 100x more effective than a parking brake which relies on the tension of a cable to maintain braking force. How exactly does a transmission jump out if gear in a parked gar? It doesn't. The resistance of the engine's compression and the clamping force/friction material of the pressure plate/clutch disc far exceeds the clamping force of an emergency brake and cable. Come on, have you driven off with your emergency brake on? In most cases, you hardly notice it is on. Have you ever tried to push a car while it is 1st gear? The tires slide on the pavement before the engine will turn over.