Description
ACDelco Crankcase Cleaner effectively cleans sludge and varnish build-up from engine oil galleries and passages. Varnish, sludge and thickened engine oil in the crankcase and lubrication system can result in sticking hydraulic lifters, restricted lubricant supply, partial seizure between piston and cylinder walls, crankshaft and camshaft journals and bearings. This may result in cranking overload, scoring or total seizure of the engine.
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