TAKE CARE NOT TO MAR TOP BLOCK GASKET SEALING SURFACE WHEN
FILING. IMPROPER GASKET SEALING COULD CAUSE LEAKAGE.
(36) If insert protrudes above cylinder block, carefully file excess stock until insert is flush with block.
k. Eroded water hole repair.
Eroded water holes are enlarged to accept a repair sleeve. ST-1010 water hole
counterbore tool is used to perform task. Bushing plate has 5/8-in. (15.875 mm)
bushing in one end and 9/16-in. (14.287 mm) bushing on other end.
(1) Place counterbore tool on top of cylinder block with 9/16-in. (14.287 mm) bushing located above hole to be
(2) Secure tool to block using cylinder head bolt and spacer. Leave bolt hand tight.
(3) Insert ST-1010-10 locating pin through 9/16-in. bushing and into hole to be machined.
(4) With locating pin held in position, tight en bolt and torque to 50 ft lbs. (68 Nm).