![]() If the serpentine belt were to fail for some reason, then all these peripheral engine accessories would malfunction or stop working altogether.Ī failing serpentine belt will cause your engine to overheat and eventually stop running. Not only is it a continuous snake-like belt, but it coils on these other accessories to provide them with power. The reason why it is called the “serpentine” belt is the belt acts like a snake. The most important accessories of your car engine depend on the serpentine belt for their power needs. It is long, black, thin, rubbery, and ribbed on the outside. If you’re looking at your engine block, the serpentine belt is often easy to notice from the front. It is located on the exterior of the engine block. The serpentine belt is a very long single belt which runs continuously. Let’s explore why these functions are so important to your vehicle. The serpentine belt takes mechanical power from the engine and transmits it to several peripheral devices of the vehicle, such as the water pump, power steering pump, alternator, air pump, oil pump, and air conditioning compressor.Ī timing belt, on the other hand, is responsible for keeping the camshaft and crankshaft movements synchronized. Please see this article for how they differ: Timing Belt vs Timing Chain Note: Some vehicles use a timing chain instead of a timing belt. As they’re running, they assist other components of the vehicle. In fact, the engine must be running for these belts to run as well. However, the serpentine belt and timing belt serve two completely different purposes.īut they both are important parts of the internal combustion engine. Sometimes these two names are used interchangeably by people. Loosen the tensioner adjustment nut to allow the tensioner pulley to be moved out of the way.Most car owners don’t understand the difference between the serpentine belt and the timing belt. The balance belt installation is more of the same. Retighten the temporary 6 mm bolt so tension will be maintained while installing the balance belt. Loosen the tensioner adjustment nut to allow the spring to make its final adjustment. Turn the engine over in the direction of rotation (counterclockwise) for six crankshaft revolutions.Ĭonfirm that the marks are aligned and that the belt is taut between the crank and cam. Do so with caution so as not to damage the crank pulley or surrounding parts. In extreme cases, it may be necessary to heat the bolt. Use a special tool that fits inside the hex on the crankshaft damper and a long breaker bar to remove this bolt. This can be the most challenging part of the job since the bolt is usually too tight (181 ft.-lbs.) to be removed with a conventional impact gun. You will need to remove the crankshaft bolt and pulley. This simple fix was quite effective and the problem seems to have been solved. The affected models were recalled and a retainer plate was installed to hold the seal in place. The 2.2-liter engine used in the Accord had a balance shaft seal with a tendency to come out of its bore, resulting in a severe oil leak. Installing a retainer plate holds the balance shaft seal in place. ![]() With the belt removed, check or replace the seals and water pump and install a seal retainer. Move the tensioner to release tension and snug the bolt. With the balance belt out of the way, loosen the just-installed bolt. This engine uses a double-tensioner system where both the balance shaft and timing belt tensioner are mounted on the same stud.īefore you loosen the adjustment nut that will relieve the tension off both belts, install and tighten a short 6 mm bolt in the adjustment slot (the dipstick tube bolt works well) to maintain tension on the timing belt while you remove the balance belt. The tool is necessary, but it is inexpensive. The 3.0-liter V6 models use a hydraulic tensioner that has to be mechanically reset and require a special tool to hold the tensioner in place while it’s installed. They shouldn’t present any challenge to the experienced tech, but there are some things to keep in mind as you tackle these jobs. The other Honda engines are similar, but don’t require the balance belt. ![]()
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