![]() ![]() Here are other knocking causes, but they aren’t as common as the ones listed above. If your Equinox has a sound coming from it like the sound above, the engine will need a rebuild or replacement. As the crank turns in a circle, the connecting rods bang into the bearing and make a deep knocking sound. When they wear out, the space between the rod bearings and connecting rods grows. Rod bearings exist in between the crankshaft and piston connecting rods. Timing Chain Jumped Symptoms and DiagnosisĬhevy Equinox: Bad Timing Belt or Chain Symptoms Rod Knock/Worn Bearings Rod KnockĪ rod knock is perhaps the easiest knock type to identify. If they send a weak spark, the air/fuel mixture will not be able to properly fire, no matter how good the spark plugs are. The coil pack sends a spark to your vehicle’s plugs. But there are other parts, such as the coil packs and plug wires (if equipped), that you should be looking at. Spark plugs are the most common part of the ignition system that can cause your Equinox to knock, and definitely where you should start looking. If something is off with this timing, the fuel will fire at the wrong time, and there can be a knock. Spark Timing– All of the internal parts of your Chevy Equinox’s engine, as well as the sensors and computer, coordinate the engine timing so that the spark plug fires at precisely the right moment. ![]() Check your gap if you’ve recently had your Equinox’s plugs replaced and you’re now hearing a knock. Now and then, you’ll be surprised by one. But you should still check the gap when you install them.
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