Hardlymoving writes about do-it-yourself automobile maintenance on various makes and models.
Clunking Noise From the Engine Compartment?
Most front-wheel drive engines and transmissions rest on four thick rubber mounts to absorb vibration and compensate for engine torque during acceleration. Over time, one or more of these mounts may wear out resulting in a cacophony of noise emanating from the engine compartment.
Is it the Suspension or the Engine Mounts?
The difficulty is determining if the noises are due to worn or broken suspension components or from one or more engine mounts. It could be both. My preference is to replace and eliminate all suspect suspension parts before tackling other possible noise sources.
A simple stationary test is to place the transmission in Drive, prevent the car from moving by applying your left foot on the brake pedal and rev the engine a few times while someone is watching the engine from the outside. If you see the engine rising high off its front engine mount, the mount is extremely weak or shot. This rise can over-stress and weaken the side engine and transmission mounts as well. You can get away with replacing just the front engine mount but my preference is to replace all the mounts.
How to Replace the Engine Mounts
The video below will show you how I replaced the four-engine mounts on a 2003 Toyota Camry. The replacement procedure, with minor differences, can be used in other Toyota vehicles, such as the Avalon, Sienna, RAV4, and Lexus ES and RX types, or vehicles equipped with AZ-FE or GR-FE engines.
Engine Mount Replacement on an '03 Toyota Camry
This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.
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