Engine mounts are extremely easy to maintain if you know how to look after them. However, they can cause catastrophic damage if they are adjusted incorrectly or not checked regularly. The engine mount is a rubber shock absorber, the engine leg is a metal bracket. The basic make up of most engine mounts is a rubber base with a threaded bar through the centre, usually with two or three nuts for adjustment. The engine mount usually bolts to the engine bearer, with the threaded bar extending through a hole into the engine leg. There is usually a single nut under the leg and either one self-locking nut or two nuts above the leg. The bottom nut is used to set the adjustment height, and the one/two nuts above are to lock the mount into place, once the correct adjustment has been set. Maintenance once the mount has been fitted is easy - regularly check and make sure the bottom nut is tight up against the underside of the leg. If it is not, then tighten the bottom nut up to the leg.
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