Mazda cx 7 timing chain replacement cost1/19/2024 ![]() ![]() Timing chains are metal, located inside the engine (so they can be lubricated with engine oil), and generally last longer, saving cost in the long run.Timing chains and timing belts have the same function - they connect the engine’s camshaft and crankshafts. ![]() Is A Timing Chain The Same As A Timing Belt? And it’s important to note that some cars use a timing belt instead of a timing chain. The timing chain may also drive components like the water pump and balance shaft in certain engines. This allows your intake and exhaust valves (operated by the camshaft) to be timed correctly with the pistons (operated by the crankshaft) - resulting in proper engine combustion. The timing chain synchronizes your vehicle’s crankshaft and camshaft(s). Here are answers to some timing chain questions: 1. Small metal pieces in your engine oil when drained, or found in the oil filter, could mean your timing chain needs a replacement. Metal shavings in your oil: Tiny metal bits can shear off a worn timing chain. Your engine may stutter, feel sluggish, experience misfires, and hesitate on acceleration.Įngine won’t run: If your timing chain is very far gone, your engine may not run as the timing is completely off. Valves don’t open and close at the correct time, resulting in incomplete combustion. Poor engine performance: A stretched timing chain will cause the camshaft and crankshaft to be out of sync. Damage to related components like chain guides or a chain tensioner will also produce noises like whining or buzzing. It’ll trigger your dashboard check engine light and likely store a timing-related trouble code, like P0011 or P0012 - depending on which timing component prompted the warning.Įngine noises: A loose or damaged timing chain often makes a rattling or whirring sound. It's really important to have the correct timing in an engine, it's the only way they can run so when it's the scheduled time to replace a timing chain, make sure to get it done as it ensures the engine keeps ticking along nicely.What Are The Symptoms Of A Defective Timing Chain?Ī faulty timing chain will cause your vehicle to exhibit one or more symptoms.Īn illuminated check engine light: If your timing isn’t running right, your engine computer will detect this problem at some point. It's rare for a timing chain to break completely but if it did the engine would stop. The vehicle will run roughly as the timing becomes out of sync. If a timing chain were to stretch you could notice power loss, engine backfires, rattle in the engine, rough idle and driving. If your Mazda 3 has a timing chain installed it can stretch or fail over time and would need to be replaced to keep your engine running. Vehicle manufacturers did start replacing timing chains with timing belts to reduce engine noise and reduce costs as belts were a cheaper alternative however, timing chains have proven to outlast the belt and could be a more cost-effective option in the long run. Belts eventually wear out, crack and disintegrate, while a timing chain can stretch and on rare occasions break however that usually happens long after a timing belt would have failed. Timing chains will typically outlast timing belts. A timing belt is typically of rubber and fibre composition and remains dry and is located externally under a timing belt cover. Due to the composition, the chain needs to be lubricated and is encased inside the engine. Mazda 3 Timing chain replacement Why would my Mazda 3 need a timing chain replacement?Ī timing chain or belt on a Mazda 3 makes sure the crankshaft and camshaft are in time and the valves are opening and closing at the precise moment to coincide with the cylinder combustion.Ī timing chain provides the same function as a timing belt but the chain is made out of metal and looks similar to a bicycle chain. ![]()
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