A cold automatic transmission (automatic transmission) may experience delays for the following reasons:
Thick gear oil:
* When the transmission is cold, the transmission oil thickens and flows more slowly, resulting in slower gear shifting.
Increased friction:
* Metal parts in the transmission shrink when cooled, increasing friction and making gear shifting difficult.
Insufficient oil pressure:
* The oil pump may not produce enough pressure when the transmission is cold, causing delays in shifting.
Clogging:
* The transmission filter or hydraulic unit may be clogged, restricting oil flow and causing delays.
Faulty solenoids:
* The solenoids that control gear shifting may not function properly when they are cold, resulting in delayed or rough shifts.
Worn parts:
* Worn clutches, bands or gears can cause poor shifting performance, especially when the transmission is cold.
Typically, delays when shifting gears in a cold automatic transmission are short-lived and disappear as the gearbox warms up. However, if the delays are persistent or worsening, it is advisable to contact a mechanic for diagnosis and repair.