How to distinguish the valve springs of the X-Trail?

1 Answers
ValerieAnn
07/29/25 3:57pm
X-Trail valve spring identification method: The red valve spring is for intake; the yellow one is for exhaust. The function of automobile valves is to input air into the engine and expel the exhaust gases after combustion. In terms of engine structure, they are divided into intake valves and exhaust valves. The intake valve draws air into the engine to mix with fuel for combustion; the exhaust valve expels the burned exhaust gases and dissipates heat. The X-Trail is a compact SUV from Dongfeng Nissan, equipped with a 2.0L 151 horsepower L4 engine and a CVT continuously variable transmission (simulating seven gears). The engine has a maximum power of 111kW and a maximum torque of 194Nm.
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