|
|
|
Content .. 1323 1324 1325 1326 ..
SEALS-VALVE GUIDE DESCRIPTION The valve stem seals are made of rubber and incorporate an integral steel valve spring seat. The integral garter ENGINE BLOCK DESCRIPTION The cylinder block is made of cast iron. The block is a closed deck design with the left bank forward. To provide STANDARD PROCEDURE - CYLINDER BORE HONING Before honing, stuff plenty of clean shop towels under 1. Used carefully, the Cylinder Bore Sizing Hone C-823, equipped with 220 grit stones, is the best CAUTION: DO NOT use rigid type hones to remove 2. Deglazing of the cylinder walls may be done if the cylinder bore is straight and round. Use a cylinder grit stones (C-3501-3810). about 20-60 strokes, depending on the bore condition, will be CAUTION: DO NOT use engine or transmission oil, mineral spirits, or kerosene. 3. Honing should be done by moving the hone up and down fast enough to get a crosshatch pattern (1). The hone marks should INTERSECT at 50° to 60° for proper seating of rings (2). 4. A controlled hone motor speed between 200 and 300 RPM is necessary to obtain the proper crosshatch angle. The number of up and down strokes per minute can be regulated to get the desired 50° to 60° angle. Faster up 5. After honing, it is necessary that the block be cleaned to remove all traces of abrasive. Use a brush to wash parts with a solution of hot water and detergent. Dry parts thoroughly. Use a clean, white, lint-free cloth to check CLEANING Thoroughly clean the oil pan and engine block gasket surfaces. Use compressed air to clean out: • The galley at the oil filter adaptor hole. 9 - 2222 ENGINE - 4.7L - SERVICE INFORMATION DR/DH |