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At some point in our driving career we will most likely have to replace a car battery. Deciding what replacement should be used can be left up to the professionals. But it is good idea to have some basic knowledge about the subject to make sure you're getting what you need.
Picture of optima replacement battery
Optima Replacement Battery

There are many choices available to consumers with many varying price points. Some more expensive batteries state that they will last longer and provide better reliability.

If your going to pay more money for one of these batteries it is a good idea to make sure that it still complies with what is required by the vehicle and the manufacture.
 
 
Dirty fuel injectors have become a big selling point for popular fuel additives and gas companies. A few gas companies say that they add chemicals to their fuel that will help keep your injectors clean and make your engine run better.
Picture of fuel injection cleaning kit
Fuel Injection Cleaning Kit

Some companies selling fuel injector cleaners state that they will increase fuel economy and restore engine power. All of the above statements may be true if you actually have dirty fuel injectors.

Before you pay more at the pump for gas or go out and purchase additives and cleaning solutions it would be nice to determine if they are actually needed.

Testing the flow rate and the efficiency of the injectors can not only be performed but can verify whether cleaning is necessary. I have more information on fuel injector testing on my you fix cars website.
 
 
Below will be a 5.7 L engine belt diagram that you can use to get your belt put back on. Since this is one of the most popular GM motors of all times I thought it would be a good thing to post.

Picture of the 5.7 L engine drive belt diagram

engine belt diagram 5.7L image
Belt Diagrams
This engine better known as the 350 small block is one of my favorite all-time engines. I and my friends use to joke that this engine was so popular that you could get valve cover gaskets for it in the grocery store.

Even though General Motors has moved on and replaced this engine with lighter weight larger displacement power plants the old 5.7 L remains a favorite for hot roders and truck drivers alike.
 
 
Here is the 5.4 Liter belt diagram by popular demand. Engine belt noise is a common complaint on many vehicles and many different engines. The Ford 5.4 L engine is no different in this respect. 
5.4 L engine belt diagram
5.4 L engine belt diagrams
Ford came out with some tactics to help technicians deal with this common problem. Please take a minute to read them before installing a new part on your engine.

There are many causes that can force serpentine belts to become noisy. Sometimes this is due to pulley misalignment or even a wobbling accessory pulley. Also incorrect alignment of the drive belt can result in noise and premature wear.