You are watching: 1998 honda civic head bolt torque specs

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Head Bolt speak Sequences & Specifications


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Thanks come trustdestruction for this information:All specs below are follow to the Honda service Manual (except info around ARP head studs).D15B7 & D15B8Torque
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Sequence:8 6 2 4 109 3 1 5 7(front the car)In 2 steps:1. 22 lb-ft2. 47 lb-ftD15Z1 & D16Z6
Torque Sequence:8 6 2 4 109 3 1 5 7(front the car)In 2 steps:1. 22 lb-ft2. 53 lb-ftD16Y5, D16Y7, & D16Y8Torque Sequence:9 3 1 5 78 6 2 4 10(front of car)In 4 steps:1. 14 lb-ft2. 36 lb-ft3. 49 lb-ft4. 49 lb-ft (bolts 1-2 only this time)D15B1, D15B2, D16A6, & D16A7Torque Sequence:8 6 2 4 109 3 1 5 7(front that car)In 2 steps:1. 22 lb-ft2. 49 lb-ftD16A8 & D16A9 (DOHC ZC)Torque Sequence:7 3 1 5 98 4 2 6 10(front that car)In 2 steps:1. 22 lb-ft2. 49 lb-ftB16A2Torque Sequence:9 5 1 3 78 4 2 6 10(front that car)In 2 steps:1. 22 lb-ft2. 61 lb-ftB18B1Torque Sequence:8 4 2 6 107 3 1 5 9(front of car)In 2 steps:1. 22 lb-ft2. 61 lb-ftB18C1 & B18C5Torque Sequence:9 5 1 3 78 4 2 6 10(front that car)In 2 steps:1. 22 lb-ft2. 60 lb-ft (according come 94-97 manual), 63 lb-ft (according come 98-01 manual)ARP Head StudsWith ARP head studs, many people add a action to the end of the OEM torque actions at about 10 lb-ft or so over the last OEM speak spec, rounded up. For example, ~ above a D16Z6, most civilization I have encountered add a last step of 65 lb-ft.After about 10 heat cycles the the engine eliminate the valve cover and also check the torque to make certain they"re still at the final torque spec. Tighten ago to specs if necessary.The studs themselves need to only it is in hand tightened into the block; the nuts space what you use the talk wrench on. Also, that is less complicated to lock 2 nuts with each other on the stud and use a socket wrench ~ above the height nut come tighten the studs, as opposed to making use of an allen wrench in the allen socket in ~ the optimal of the stud.