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techtalk:ref:engmech02g [2019/12/09 17:04] hippysmack [Installing MLS Head Gaskets] |
techtalk:ref:engmech02g [2019/12/09 17:12] hippysmack [Installing MLS Head Gaskets] |
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====== REF: Engine Mechanicals - Sub-02G ====== | ====== REF: Engine Mechanicals - Sub-02G ====== | ||
====== Installing MLS Head Gaskets ====== | ====== Installing MLS Head Gaskets ====== | ||
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Cometic MLS head gasket torque: | Cometic MLS head gasket torque: | ||
There are six torque values in sequence: 9-14-22-35-42-42 (all in ft/lb) \\ | There are six torque values in sequence: 9-14-22-35-42-42 (all in ft/lb) \\ | ||
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Hydrolock of the nuts stops the nut from turning on the stud threads and the only thing the stud can do when torqued from there is stretch (twist). \\ | Hydrolock of the nuts stops the nut from turning on the stud threads and the only thing the stud can do when torqued from there is stretch (twist). \\ | ||
+ | Tighten the nuts in the same sequence as is in the FSM using the above torque values. \\ | ||
+ | If you don't follow this sequence while tightening, the studs or the nuts can easily back out. \\ | ||
+ | Example: \\ | ||
+ | You can tighten nuts 1 and 2 and then tighten 3 or 4 tighter than you did 1 and 2 and all of a sudden 1 and 2 are now both loose. \\ | ||
+ | |||
+ | Torque Sequence: \\ | ||
+ | {{:techtalk:evo:engmech:head_torque_sequence_by_hippysmack.jpg?direct&350|}} ((photo by Hippysmack http://xlforum.net/forums/showthread.php?p=5793537#post5793537)) \\ | ||
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