S60 Timing Belt Marks
And the barely visible timing marks on the crankshaft gear and engine block – the one on the engine block it’s not visible with the belt on, but can be felt by hand, it’s a small bump. There is also a timing bump on the crankshaft pulley (not visible in the photo). S60 Timing Belt Marks
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Bonus! What is a timing belt anyways?
The timing belt is the belt that controls the camshafts in your engine, opening and closing valves at just the right time for smooth operation. The timing belt has teeth that turn the camshaft in time with the crankshaft.
Some cars and trucks use timing chains or gears, which are more durable. But timing belts, made of rubber compound, are quieter and more efficient. They also don’t need lube to work.
On some engines, if the timing belt fails, valves will be held open when they should not be and will be struck by the pistons, causing major damage to your engine. So you want to prevent it at all costs.
While you’re getting the timing belt changed, it’s a good idea to get a new water pump, too. Water pumps have similar life spans, and they’re easy to get to while the timing belt is off. If you wait, you’ll have to pay more for installation later.
When is it time to change a timing belt? Most timing belts are rated for between 60,000 miles and 90,000 miles. The belt can’t be checked easily so you replace your timing belt on a schedule. Check your manual. If it’s time, bring your car or truck to any of our stores.
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