toyota highlander under hood rattling noise bumpy road

If mounting hardware no longer holds their original torque, or if they are excessively worn, they should be replaced. When inspecting strut mounting hardware, many of these types of components can stretch or deform if over-torqued or if they have been loosened and retightened multiple times, resulting in a noise. I took the wheel off and the tire had completely balded on the inside. Almost sounds as if the wheel gets thrown off balance and it makes the noise. It doesnt matter if youre on the interstate or a bumpy road. It constantly makes noise but when someone seats on it, noise level drops significantly. Recently, the passenger front wheel has been making a horrible rattle noise. I have noticed that there is rattle noise coming from rear seat ( I have bench style 2nd row seats)and it sounds like metal. If you hear a clunk when the suspension works over bumps, you may have excessive clearance in a joint due to wear. If the noise occurs while turning, then the upper bearing assembly should be inspected and/or replaced. imagine1026 said: We bought 2015 Highlander XLE and it has 3,100 miles so far. If the noise occurs while driving over bumps with a strut, then the upper mounting plate should be inspected and replaced if necessary. Check the brackets to make sure they didn’t get spread apart excessively when the original shock was removed. Using new hardware and mounting bolts help ensure it’s tightened securely. Some shock absorbers utilize a 'clevis' type mount, which must squeeze the sides of the shock's 'mounting sleeve' very securely in order to prevent noise. If you feel rattling near the top, it’s probably the strut mount. There are several ball joints in a vehicle, some located in the front suspension and some in the rear suspension. If the noise is present with a replacement shock absorber, check that the mountings are tightened securely, and look for other worn suspension parts. The most common reasons a Toyota Highlander has a rattling noise are the ball joints, struts or strut mount, or a problem with the sway bar links. If all the oil leaks out, this strut will start to make a knocking noise over bumps and cause excessive tire chop. Remember that looks can be deceiving a mounting or bushing can appear to be tight but allow movement when driving. Start by checking the components that attach the shock or strut to the vehicle. When replacing shocks or struts, installing new mounts and mounting hardware is always recommended.Ĭlosely examining the vehicle is required to find the source of the problem. A loose mount can allow movement between the bolt and attaching parts, while a mount that is worn can cause the shock/strut to move up and down. Prices may vary depending on your location.

There is most likely nothing wrong with the replacement shock or strut, but a metallic clunking noise typically indicates loose or worn mounting hardware. On average, the cost for a Toyota Highlander Clunking noise when I drive over bumps Inspection is 95 with 0 for parts and 95 for labor.

Toyota highlander under hood rattling noise bumpy road