Skip the auto shop - Our mechanics make house calls

Q: 02 trailblazer vibrates when accelerating

asked by on

had a vibration when accelerating. Had mechanic look at it. Motor mount bracket had broken. Had it replaced but the vibration was still there. Had dealership to look at it and they said it was the exhaust converter. So had it replaced, still have vibration when you accelerate. Could it be the exhaust manifold? But there is not a loud sound other then when you accelerate in the beginning and then it stops and it vibrates the steering wheel. You can feel it. Confused

My car has 237000 miles.
My car has an automatic transmission.

A: Hi there. The problem with most shaking and...

Hi there. The problem with most shaking and vibration issues is that one damaged component like broken motor mounts can mask other parts that may be damaged. A cracked exhaust manifold is one of those that can cause the vibration and noises you’re hearing on your Trailblazer. Before you decide to take your vehicle to the dealership, it might be a good idea to have a local professional mechanic complete a vehicle is making noise inspection; to determine if other components might be damaged as well.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: 4wd engages but vehicle bucks like 4wd is slipping.

There is likely an internal issue going on within your transfer case. The most common cause of transfer case slippage is low fluid. I suggest that the transfer case fluid condition and level is checked. If the two wheel drive...

Q: Hi, im hearing a creaking noise everytime i turn my wheel on my dodge stratus. Sometimes when it rains, the noise goes away but th

Hello, thank you for writing in. The control arms were a good guess, and there are several other tests you can do. You may be dealing with a failing steering or suspension component. You can start by performing a bounce...

Q: RPMs idle low

You should make sure that the timing belt and water pump job were done correctly and are not the cause of the other issues you are having. Then the other problems can be checked out if not related. I recommend...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.