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Lexus IS300 Splash Shield

Diagnosing Difficulties with the Lexus LS300 Splash Shield-and What You Can Do About It

Your Lexus LS300 splash shield protects a number of components from the very real threat of water-based damage. From the wheel well, to the brakes, to the engine itself, the splash shield is a line of defense of sorts that may often go unnoticed, but is nonetheless relevant. Without it, you might have faulty brake, and worse-a broken down engine. Because it is hidden from view, it's somewhat difficult to tell when it has any problems at all. There are a few things you can look-and listen-out for to make sure you catch the trouble before it grows.

Odd noises and weird sounds

Water tends to make a very specific sloshing sound when it invades into areas where it has space to move. Cases in point are the wheel well and engine block of your car. If your splash shield breaks down, one of the first thing you'll hear is a lot of splashing noise where there was none before. This is actually very noticeable as it breaks the normal "rhythm" of your car sounds that you may have acclimated to. By the time you hear these noises, it's best that you check immediately in the area where you can hear the noise-either the wheel well or the engine block. If it's a wet day, it's even better if you stop your vehicle immediately to prevent worsening the situation.

Engine choking or failure

If the above symptom is paired up with slipshod performance from your engine, then the damage being done is far more serious than you initially thought. The water, by this point, might have already penetrated the engine itself-causing if to choke and sputter. Continued operation risks exacerbating the damage, so your best option is to pull over by the side of the road to assess the situation. There are, of course, other factors that go into engine difficulties but this is one of the worst ones. Any water that messes up the engine might do so permanently. It's a better idea to keep the splash shield well-maintained.

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  • How to Keep Your Lexus LS300 Splash Shield in the Best Condition 27 February 2013

    The term "splash shield" actually covers different products that have more or less the same purpose: to protect your Lexus LS300's parts and components from water damage and debris hits. There are three "types" of splash guards: one for the engine, another for the brakes, and finally, one for the wheel well. All in all, it's a very simple part-very cheap too-but the role it plays in keeping your more vital car components safe from damage cannot be understated. It stands to reason that, to help with the overall management of your engine, brakes, and drive train, it would do you a world of good to maintain your splash shield in the best of condition.


    Inspect it up, down, and all around.


    The simplest trick to keeping your Lexus LS300 splash shield in the best condition is not only the simplest, but one that you really have to do anyway. You see, most people end up having their shield break down on them far too early because they don't check out the condition of their shield too often. You should do this at least twice every year. The thing to look out for is micro-cracks. These are deceptive, you see, and can lengthen and grow with the barrage of vibrations it is exposed to daily. Obviously, if a crack is big enough, it's really much better-and more economical-to just get a new splash shield. If it's a micro-crack, then a liberal application of putty or epoxy should do the trick, and keep your splash shield functional for a longer period of time.


    Clean it inside-out.


    Another trick is to actually keep your splash shield clean. It's easy enough if it's the splash shield on the wheel well-you can just run through it with every car wash. The splash shields for the engine and brakes are a different matter altogether. These you will have to take out to clean thoroughly. To clean them while still attached is somewhat counter intuitive as you are forcing water onto a part that is supposed to resist water. Once taken out, any clean rag, some water, and some soap will do every few months or so.