If your car has an idle air control valve, this part must work to maintain the RPMs. If carbon builds up on the valve, it could cause this part to fail, leading to a rough idle.
The Shoe Trick.
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The noise is created by metal parts being given more room to move due to the rubber gripping them becoming perished. You may notice it more when going over bumps, or when turning and shifting the weight of the car.
In reply to by A random Trabant I managed to get a bit of grease on my brakes once it was seriously scary when trying to stop. 04/02/2016 - 10:17 |
Most chain auto parts stores and repair shops will accept used motor oil for recycling, and you can probably also take it to your local public works station for proper disposal. It's a good idea to check your oil level each time you fill up your tank with gas, and you should top it off if it is below the "full" mark on the dipstick.
Proper Cooling System Care:
Diagram of forces acting on a vehicle.