This question needs more detail. What bottom drain?
Most of the radiator drain plug lies at the bottom of the radiator. Check your car handbook or just look in the bottom of the radiator
Check the bottom of the engine oil pan.
Drain plug on the bottom of the pan.Drain plug on the bottom of the pan.
You remove the pan on the bottom to drain.You remove the pan on the bottom to drain.
You drain the engine oil from the drain plug on the bottom of the oil pan.You drain the engine oil from the drain plug on the bottom of the oil pan.
Through the drain plug in the bottom.Through the drain plug in the bottom.
Take drain plug out from bottom of pan. Fill thru the vent tube until fluid comes out of the drain.
15mm for top and bottom. Bottom one has a magnetic plug - check it for metal shavings.
Should have a drain plug either at bottom of engine or at lower end of oil reservoir
Evaporator drain hose routes water from the bottom of the air conditioner compressor to the bottom of the engine compartment. The drain tube will be on the bottom of the air conditioner compressor.
Standing water at the bottom of a dishwasher can be caused by clogged filters, a malfunctioning drain pump, or a blocked drain hose. To resolve this issue, you can clean the filters, check and clean the drain pump, and ensure the drain hose is not blocked. If the problem persists, it may require professional repair or replacement of parts.
Should be a drain plug in the bottom of transmission Should be a fill-check plug in the side of transmission