What Causes Slight Steering Wheel Vibration When the Car's Air Conditioning is On?

1 Answers
DeBarrett
07/30/25 8:11am
Detailed explanations and solutions for the slight steering wheel vibration when the car's air conditioning is on are as follows: 1. Dirty throttle body: A dirty throttle body can cause slight engine vibration. A heavily soiled throttle body obstructs air intake, making it difficult or barely possible for the engine to drive the compressor. This is usually unnoticeable under normal conditions, but when the air conditioning is turned on, the increased engine load exacerbates the vibration. Solution: Clean the throttle body. 2. Damaged air conditioning compressor: A damaged air conditioning compressor can disrupt the engine's balance. When the compressor is turned on, it may reach a resonance frequency, intensifying the vibration. Solution: Replace the air conditioning compressor.
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