Water pump noises
Water pump noises are very challenging to identify simply because generally they are hidden in the motor and the noise will speak out loud through the engine making it challenging to recognize. The water pump on your engine has a lever, pump fins, a casting, and a bearing set. When a water pump fails, the noise is generally induced by damage to the bearings.
If you think your water pump is the reason for the noise in your car, try to identify the water pump on the engine, if you can see the casting of the water pump and it’s accessible, you can try to determine the noise by holding a long screw driver on the launching and putting the other end of the screwdriver against you ear, if the keeping is bad you will hear noise through the screwdriver. The only resolve for a noisy water pump is to replace it. Some water pumps can cost a lot of money to substitute because they are situated under the moment belt cover, generally water pumps are bolted to the engine block, and it take some time removing engine parts to get to it, you end up spending several hundreds of dollars to replace a $50 part because of its location.
Exhaust Heat Protect Noises
A heat shield noise is a type of shake you hear while your car is idling or at a specific RPM. Heat shields are position along the exhaust system of your car to deflect heat away from the floor of your automobile and other heat sensitive components like fuel tanks, wiring and brake lines, as the fatigue system ages, sometime the heat protects start to rust at the hold down points and turn out to be loose. If this is your issue, the engine vibrations will cause an awful noise as you’re seated at a stop light or as your car is warming up at idle in the driveway; it will sound like rocks vibrating on a cookie sheet.
Heat guards can turn out to be broken due to road debris, snow banks, automotive lifts, and just plain ole old age. In some cases, a damaged heat shield can be removed briefly without causing any effects, but it’s best to substitute them as soon as possible. An automotive exhaust system can become incredibly hot, a while in excess of a 1000deg, if you are running your engine at high RPM’s for long periods, like driving on the highway.
There are a lot more car noises than what is outlined here in this article and it would take a lot more time to explain every one of them, so I only covered the noises my customers complain about the most. Just remember, noise could be a warning sign, so if you have a noise in your car that you are unsure of, bring it to your trustworthy mechanic to have it checked out before it cost you even more money.