My 2006 3.0-litre Mitsubishi Pajero has a 'tick, tick' sound at start-up. People have told me that it is a lifter sticking until the oil circulates. It usually goes away in 2-3 minutes, but I have now noticed the ticking can come back when hot. Is this serious?
What you’ve been told, that it’s a sticking lifter, is the most likely explanation and it’s generally not a serious issue. Change the oil and filter and that should cure it, but it could be that one or more lifters are faulty and in need of replacement.
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