March 9, 200521 yr Does anyone know how to torq the head bolts on EJ 251 engine. Can someone please help me with this question. Arne Norway
March 9, 200521 yr Arne, A is the uppermiddle bolt. B is lowermiddle. C is upperfront and D is lower front. Eis upper rear and F is lower rear. The first four steps are in alphabetical sequence. 1.Tighten all bolts to 22 ft-lbs. 2. Tighten all bolts to 51 ft-lbs. 3 Back off all bolts by 180 degrees. 4.Back off all bolts by 180 degrees again. 5.Tighten bolts A and B to 25 Ft lbs. 6.Tighten bolts c,d,e and f to 11 ft-lbs. 7.Tighten all bolts by 80 to 90 degrees, alphabetically. 8. Repeat step 7. Hope this helps. Tom
March 10, 200521 yr Author Hi Tom! Thank you! This was the "missing link". I had to change the oil pressure ring in cylinder nr 2 at 135 000 km. Strange, all the other cylinders are OK. Greetings from Norway Arne Arne, A is the uppermiddle bolt. B is lowermiddle. C is upperfront and D is lower front. Eis upper rear and F is lower rear. The first four steps are in alphabetical sequence. 1.Tighten all bolts to 22 ft-lbs. 2. Tighten all bolts to 51 ft-lbs. 3 Back off all bolts by 180 degrees. 4.Back off all bolts by 180 degrees again. 5.Tighten bolts A and B to 25 Ft lbs. 6.Tighten bolts c,d,e and f to 11 ft-lbs. 7.Tighten all bolts by 80 to 90 degrees, alphabetically. 8. Repeat step 7. Hope this helps. Tom
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