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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