Car makes whining noise when accelerating, the noise happens when the engine RPM is high especially during acceleration.
1) Drive the car to the speed in which the whining noise is observed. 2) Shift the gear to a neutral position then turn off the engine while it runs. 3) When the whining noise is still present then this confirm that the problem is within the transmission, but when the whining noise is not observed then the problem is within the engine or the clutch assembly.
Possible cause of whining noise when accelerating
Worn out or damaged transmission components
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When you observed this kind of problem in your car, bring the car to a reputable car shop at once to avoid escalation of the problem. Ask the mechanic to inspect thoroughly the transmission for any damage or worn parts. If the mechanic told you to pull down the transmission for overhaul, seek first for a second opinion of another shop before agreeing. The cost for this repair job is high therefore ensuring that the real problem is identified before making the repair is necessary.