Wrong Type of Oil:
- Ensure that the oil you used is the correct type specified in your vehicle's owner's manual. Using the wrong oil can affect transmission performance.
Low Oil Level:
- Check the oil level using the dipstick. If the oil level is low, add the recommended type and amount of oil.
Transmission Fluid Issue:
- The red oil you drained could be transmission fluid instead of engine oil. Verify if you accidentally drained the transmission fluid instead of the engine oil. If so, you'll need to refill the transmission with the proper fluid.
Faulty Transmission Components:
- A worn-out transmission filter, damaged solenoids, or other internal transmission issues could cause the vehicle to not engage properly into gears. Take the car to a qualified mechanic for further inspection and repair.
Shift Linkage Problem:
- Check the shift linkage, which connects the gear selector to the transmission. Ensure it's properly connected and not damaged or disconnected.
Computer/Sensor Issues:
- In modern vehicles, electronic sensors and the computer control transmission functions. Faults in these systems could affect gear engagement. This would require professional diagnosis and repair by a mechanic.
Remember that transmission problems can be complex, and it's best to have the vehicle inspected by a qualified mechanic to identify the precise cause and receive appropriate repair advice.
