TM 10-3930-669-34 VISUAL INSPECTION (1) Inspect suspect cylinder head(s). (a) If  leaks  or  cracks  are  found,  go  to Step (2) below. (b) If   leaks   or   cracks   are   not   found, perform   Steps   (2)   and   (3)   below and go to Step 6 of this Fault. (2) Remove cylinder head (s) (Para 3-5). (3) Inspect cylinder head(s) and gasket(s). (a) If cylinder head is cracked,  replace cylinder head(s). (b) If cylinder head gasket(s) is damaged, replace gasket(s). (c) If cylinder heads and gaskets are not cracked or damaged, cylinder heads and gaskets are OK. 2-59