Skip the auto shop - Our mechanics make house calls

Q: Knocking sound

asked by on

I have recently noticed that when I change gear I have a single knock sound coming from the back of the car

My car has 19000 miles.

A: Hello. This is a safety mechanism that will...

Hello. This is a safety mechanism that will not allow you to shift without having your foot on the brake. This is a pin down in the console attached to the shift lever that doesn’t allow the shifter to be moved without the brake being applied. This is very normal. If you feel like there are drivability concerns, or if you notice the knocking sound is becoming more severe, consider having an expert diagnose the sound in person to let you know what’s going on.

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: Car doesn't like to start

The first thing to do is to charge and have battery tested and alternator tested to see if it is recharging the battery. If both the battery and charging system check out okay then you will need to have the...

Q: Hearing brake noise

First the noise needs to be tracked down to the specific components or system affected. Noises can come from worn components along the suspension system. Wheel bearings or drive belt pulleys are common failure items. Brake pads will definitely cause...

Q: Vehicle does not move when put into gear

A vehicle that won't move in any gear indicates either the transmission is low on fluid, or there is an internal problem. The electronic transmission controls can essentially be ruled out. The 4F50N transmission found in your vehicle has some...

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 Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
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...