Should Cars Be Warmed Up in Winter?
1 Answers
In winter, cars should be warmed up for about 3-4 minutes. Here is an introduction to the warm-up time for cars in winter: 1. Too short a time can easily cause engine wear. 2. Too long a time can easily cause engine carbon buildup. 3. Warming up the car for 3-4 minutes in winter is beneficial for protecting the engine. 4. It allows the engine oil to fully reach all lubrication points and heats up various parts to achieve normal clearance, enabling full-load operation with minimal engine wear. The reasons for warming up a car in winter are as follows: 1. Mainly to allow the engine oil to achieve the best lubrication effect. 2. To allow the automatic transmission fluid to reach working pressure. 3. During a cold start, the crankshaft speed rises sharply, and the oil cannot reach the bearing positions in time, which can easily cause bearing damage, shorten the engine's service life, and increase engine noise. 4. Starting to drive immediately after a cold start can lead to insufficient pressure in the automatic transmission accumulator, causing strong impacts and rapid wear of the clutch plates.