Before you tear it down, run an engine flush per the can instructions...Try the LiquiMoly engine flush, drain the oil/filter change, replace the oil.
Pros: engine flush
Owner reviews for engine flush
54
Manufacturers
The combination of the LM flush, Seafoam Spray cleaning and Restore additive has completely stopped the lifter noise.
Pros: stopped lifter noise
My wagon gradually stopped smoking. But it took about 2 months of adding engine detergents to the oil and gas. Finally, I did a Kleen-Flo Engine Flush then changed my oil, and so far everything works for now.
Pros: everything works for now
Vehicle:
Volkswagen Passat
I've been using AMSoil 5W40 European car formula for the past 8,000 miles. I noticed a lot of sludgy nasty bits in the head last time I changed my oil. so I used the AMSoil engine flush and I filled up with the same oil and I used one of their extended life filters... I saw a lot of sludgy nasty stuff come out in the oil when I drained it... I started up my engine and it runs much smoother now and the power is much better BUT, the valvetrain seems really loud.
Pros: engine runs much smoother, better power
Cons: valvetrain seems really loud
Mileage: 12872 km
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