Vehicle make/model 2001 Chevy Malibu Mileage = 112, 000 Engine size = 3.1, V6 dash lights = no codes = no work done prior = none work done to repair = add lifter cleaner to crankcase tech = KK question = Starting last night we heard a ticking/clicking noise coming from the engine. It speeds up and slows down as you accelerate or slow down. We thought it could be the lifters, we put some product in it to clean, it is still making a noise. I'm hesitant to take to a mechanic if its something we can fix ourselves any ideas?
KK: An additive is most likely not going to fix this problem. First things first, check the oil level and condition. Check coolant level and condition. This engine is well know for lower intake manifold gasket leaking coolant internally and externally. When internally, it contaminates the oil and can cause upper engine noise. Next what you need to find out is which side of the engine is making the noise. Best way is with a stethescope. Would suggest a qualified tech. to listen to, and start diag. of this noise, because it may get worse and cause further damage.
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