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CAUTION: DO NOT use engine or transmission oil, (3) Honing should be done by moving the hone up and down fast enough to get a crosshatch pattern. (4) A controlled hone motor speed between 200 and 300 RPM is necessary to obtain the proper cross- (5) After honing, it is necessary that the block be cleaned to remove all traces of abrasive. Use a brush STANDARD PROCEDURE - ENGINE GASKET To ensure engine gasket sealing, proper surface preparation must be performed. Never use the following to clean gasket surfaces: • Abrasive pad or paper to clean cylinder block and head • High speed power tool with an abrasive pad or a wire brush (Fig. 4) Only use the following for cleaning gasket surfaces: remover • Plastic or wood scraper (Fig. 4) • Drill motor with 3M Roloc™ Bristle Disc (white or yellow) (Fig. 4) CAUTION: Excessive pressure or high RPM (beyond STANDARD PROCEDURE - ENGINE CORE AND Using a blunt tool such as a drift and a hammer, strike the bottom edge of the cup plug. With the cup CAUTION: Do not drive cup plug into the casting as Thoroughly clean inside of cup plug hole in cylin- der block or head. Be sure to remove old sealer. t Stud and Bearing Mount. Make certain the new plug It is not necessary to wait for curing of the sealant. The cooling system can be refilled and the vehicle Fig. 3 Cylinder Bore Crosshatch Pattern 1 - CROSSHATCH PATTERN Fig. 4 PROPER TOOL USAGE FOR SURFACE PREPARATION 1 - ABRASIVE PAD 9 - 72 ENGINE 3.9L AN ENGINE 3.9L (Continued) |