![]() ![]() The guide over the crank sprocket is there to prevent the the timing belt from skipping or jumping especially if the vehicle is in gear and the car rolls backward. The reason for this is the person who replaced the timing belt didn’t adjust the guide over the crank sprocket to the proper specification and as a result the belt rubbed into the guide. You can see in the picture that the timing belt has been severely damaged. Pictured below is what happens when someone doesn’t fully understand all of the proper adjustments and repair procedures when replacing the timing belt on a Subaru. ![]() This can eliminate situations where you are calling around and making a decision based on price rather than quality and expertise. I often stress that you should have a good relationship with your service provider, so that when its time to have something done you know where your going. Rest assured, we will use only high quality OEM parts that come with a 1-year/12,000 mile warranty.Not every customer automatically knows who should service their Subaru, many don’t do any research at all prior to making appointment somewhere. If you need your timing belt service done on your Subaru, feel free to give us a call or email here at PM Autoworks for a free estimate. As a preventative, it is important to replace the timing belt as well as all other accessory components using high quality OEM parts at the correct service interval. When this happens the repair may cost several thousand dollars. If the timing belt service is neglected, major engine damage can result from the belt snapping. For Subaru vehicles it is every 105,000 miles or 10 years. ![]() The timing belt should be replaced as per manufactures recommendation. This is a bad idea because the timing belt rides on these pulleys and if one of these components fail, the timing belt may fail with it. Just like the timing belt on Subarus, the tensioner also has a life span of 105,000 miles or 10 years.įrom what we’ve seen at many dealerships when the servicing the timing belt, the accessory pulleys and water pump are not always replaced. Too tight and the belt is overly stressed. The timing belt tensioner is what keeps the belt at the proper tension during engine operation. What is the best timing belt brand to use? If you try to stretch it you’ll notice that it cracks rather than stretches and breaks way before it reaches its intended stretching point. Think of an old rubber band that has been sitting in the sun for a while. ![]() When this happens the rubber will develop cracks which will eventually cause it to break. As time goes by it starts to become dry and brittle (especially with heat). Like many things in life, rubber does have a shelf life. After a certain amount of engine rotations, the timing belt will eventually become weak and break.Ģ) Over Time. As the engine rotates, the timing belt is constantly under stress as it flexes around pulleys and is being pulled by the crankshaft. The reason behind this is because the timing belt is made partially of rubber, and rubber can degrade in couple ways:ġ) Over prolong use. For Subaru vehicles in particular (and many other manufacturers), it is recommended to replace the timing belt every 105,000 miles or 10 years. It is best to check with the car manufacturer on when to service the timing belt. How often should the timing belt be replaced? This is why it is highly recommended to replace the timing belt at the recommended service interval. When this happens the repair can cost thousand dollars and in a worst case scenario, a new engine may be required. Subaru engines in particular are interference engines meaning that if the timing belt breaks, the valves and pistons may collide and cause serious damage to these components. The reason why its important replace the timing belt is to prevent it from breaking and causing major engine damage. ![]()
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