Skip the auto shop - Our mechanics make house calls

Q: Hard shake a minute apart while car is in idle.

asked by on

Just ran bypass belt, since compressor is out and I get fixed. When I'm at red light, car does a hard shake like a minute apart. What is it?

My car has 108243 miles.
My car has an automatic transmission.

A: This could very well be the compressor comi...

This could very well be the compressor coming on. Your A/C compressor puts a very heavy load on the motor, especially a smaller and lower horsepower motor like the 1.8L in your Honda Civic.

When the compressor kicks on and off, it can cause the car to shake a bit and is much more noticeable in a smaller car. If the compressor was not working before you may have not noticed it.

Some shaking is normal, but excessive shaking is not. If you believe the shaking is excessive, I would recommend having an expert from YourMechanic come to your home to diagnose it.

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: Car hesitates on acceleration

Hello. If your Check Engine Light is flashing that usually indicates that there is an engine misfire. Since the light is coming on I would start by scanning the computer for codes. The codes will help me to determine where...

Q: Possible AC compressor problem

Hi there. The pulley on the air conditioning compressor or another pulley could be the cause for the belt failing. Some vehicles have the accessories in locations where a shorter belt can be applied and the air conditioning compressor can...

Q: Tried jumping and won't do anything, No lights work.

Hello. Your battery has failed. If the lights were left on for this long then it has completely drained the battery and has ruined it. If the battery will not even take a jump then it needs a long charge...

Related articles

P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.