Skip the auto shop - Our mechanics make house calls

Q: Vehicle makes rattling noise when idling

asked by on

My vehicle makes a rattling noise when idling. And the belt is squeaking. Both only happen when the air conditioning is on.

A: Based upon the information provided, an ins...

Based upon the information provided, an inspection of the drive belt and air conditioning system should be performed. The squealing noise indicates your drive belt is under strain. If the belt breaks, you will not be able to drive your vehicle and may become stranded. A qualified technician, such as one from YourMechanic can assist you in diagnosis and repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Drove through high water

Hi there. From the description you have given, driving through the high water, your vehicle stall, and no crank situation may be the engine hydrostatically locked. The engine took water in through the intake, into the cylinders, preventing it from...

Q: A/C compressor

Check the condition of the drive belt. If the belt looks cracked or worn, it may be slipping and making a squealing noise. Consider hiring one of our mobile experts to come out and offer a personal diagnosis of the...

Q: Transmission stuck in fourth gear

Hi - most likely there is a problem in the valve body with this hydraulic circuit. The P0750 shift solenoid message, while accurate relative to which circuit is involved, may have only been the symptom, not the cause. A sticking...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...