![]() ![]() Since timing belts are fed through a series of pulleys and tensioners it’s important that these are replaced at the same time as the belt. The majority of manufacturers recommend changing the timing belt between 60,000 and 100,000 miles, although it’s important to check with your manufacturer to find out the exact recommendation. As the belts are flexible and there is no metal on metal contact it eliminates the need for lubrication. Timing belts are made of rubber which is reinforced with steel wire. Miss-firing or backfiring through the intake or exhaustĮngine with the timing cover removed, showing the timing belt.In very simple terms, an engine is essentially split into two halves, the top half (comprising of the cylinder head, camshafts and valves) and the bottom half (comprising of the cylinder block, crankshaft and pistons) The top and bottom halves of the engine must rotate precisely in time with each other and it is the responsibility of the timing belt or chain to ensure this happens. If the timing goes out of sync by even a couple of degrees (due to a worn timing belt/chain or one that was set up incorrectly in the first place) the engine will not run smoothly and is likely to show some of the following symptoms: They are generally not visible when you open the bonnet as they are are protected by metal or plastic covers to guard them from debris. As they have the same function, an engine will, generally speaking be fitted with one or the other (there are a handful of engines that have both). Despite having the same functionality they are unique in their design and each of them have their own benefits as well as disadvantages. Timing chains and timing belts perform the same function, they connect the camshaft/s and the crankshaft to keep them rotating in-sync. Read on and all will be explained! What are timing chains and timing belts? ![]() If you’ve ever bought a car, someone will no doubt have told you to “make sure you check when the timing belt was done” which is sound advice, but do you know wh at a timing belt actually is? and more importantly, why it’s important to know what it does and when it was last changed. ![]()
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