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He Cleans The Engine Block Surface For Head Gasket Replacement
Joe Johnson, Meridian, Miss.: “I was working on a 3-cyl. Perkins diesel engine from a Massey Ferguson 150. I needed a way to keep debris from falling into the cylinder bores when cleaning the engine block surface for head gasket replacement.
    “Everyone says to stuff rags into the bores but that’s not every effective. Instead, I decided to use coffee filters and grease. Rotate the crankshaft until all pistons are as far from top dead center as possible. Cut each filter (if necessary) so it will fit neatly into the bore without extending above the surface. Place a ring of grease around each bore and press the edges of the filters into the grease. After scraping and sanding the block, carefully remove each filter and wipe down the bores. No debris will have gotten into the cylinders.”

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2020 - Volume #44, Issue #4