1999 Ford Escort engine knocking at 2500 RPM?
If I rev my Ford escort up to 2500 RPMs there's a knocking sound near the engine.
I had to replace the engine head and piston when a valve dropped and ever since then there's the rattle at 2500 RPMs.
It has a 2.0 Litre, 4 Cylinder engine and runs fine except for the knocking sound.
Any help?
Could possible be your timing belt chain ic it sounds more like a don't's ant tick rather than a knock. There are lots of videos on YouTube with timing belt chain tensioner going out and it makes a loud knocking type noise but I describe it as more of a loud tick
Hi the knocking sound is worn BIG end bearings on more than one cylinder.
If its knocking it may be your fuel is not high enough octaine, you may need to adjust your timing, or more likely it is your big end bearings
http://autorepair.about.com/
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