Q: knocking

asked by on December 08, 2016

Hi, I observed that if A/C is on and after some time my Jeep comm.2007 5.7L starts knocking. I have to switch of the A/C to get rid of the knocking eventually after some time. please advise what to do.

My car has 120000 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

I am putting a lot of oil into my car between changes
The oil recommended for normal use on your Honda Pilot is 5w20w. There are other owners who have also experienced excessive oil consumption on these vehicles. If you are using only one quart every 2,000 miles, this could be considered...
Fuel and temperature gauges broken
Hello. There are a couple of reasons why this could be happening. One being that the instrument cluster is malfunctioning where the fuel gauge and temperature gauge are located. There is a circuit board on the back of your instrument...
I jus recently gotten a new battery inserted in my car now my car is not starting without it cutting off.
This is your anti-theft system (https://www.yourmechanic.com/article/how-to-disable-a-car-alarm) taking over as a result of the new battery being installed. This is unfortunately something that usually requires the dealer to reset due to safety precautions. Often times you will need to establish some...
My car makes a loud screeching noise whenever I turn the ac on, it stops after a few seconds. Could this be a bad compressor?
Hi there: It is very possible that your AC compressor is the source of this type of noise. Much like other accessories driven by the engine’s belts, the AC compressor has several interior components and uses a sealed bearing to...
Loose gearbox that won't find 2nd or 5th gear, sometimes hard to differentiate between 1st and 3rd.
There are a couple of possibilities. The first thing that comes to mind is of course the shifter itself. There is a nylon ball and socket joint at the base of the gearshift lever that sometimes falls apart, making the...
2010 Volkswagen Jetta stalls after putting gas after hundred miles no check engine light
Hi there. When a car will start then die, it is usually caused by one of two items. First, existing fuel system components are dirty or clogged with excessive carbon deposits, or one of the components of the EVAP system...
Is the cam sensor replacement the camshaft sensor?
It may be due to the camshaft sensor but would not know unless another test is done to get the failure codes like a P0340 or P0344. The light can come on for over 100 different codes and is only...
I have a Honda Accord 2013 LX it does the same hesitation when almost coming to a full stop and it does it big time when I press o
You might have a problem in the torque converter lock up clutch. Most car made after about 2000 have a clutch in the torque converter to stop slippage at speed and save gas. That clutch is supposed to disengage when...

Related articles

A Buyer’s Guide to the 2012 Jeep Wrangler
With With some subtle updates, improvements, and increases in size, the 2012 Jeep Wrangler maintains the model’s familiar and rugged look and feel. While the style of the Wrangler may not have changed much, though, its function has definitely been...
2014 Jeep Cherokee vs. 2014 Jeep Wrangler: Which One Should I Buy?
SUVs are a crowded market, but Jeep has long been a name to remember. SUVs are generally built on the chassis of a truck and provide the overall handling of a truck instead of feeling more like a car that...
The Most and Least Expensive Cars to Insure
Car insurance quotes depend on the car make and model. The Honda Odyssey is the least expensive and the Dodge Viper is the most expensive to insure.