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Wasted 6 months torquing injectors wrong because I was using the angle gauge upside down
Had a CPL show up with a snapped bolt head on a 3406E last Tuesday and when I pulled the old one, the torque angle mark was almost 30 degrees off, which is when I finally realized my gauge reads clockwise from the top and I'd been reading it counterclockwise the whole time... anyone else ever had a shop teacher miss that detail in school?
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benw875mo ago
Man, that's a tough lesson. Spin the gauge to zero before you stab the bolt next time.
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felix4885mo ago
Read somewhere that even a small crack in the bolt can throw the gauge off by a few pounds. Makes sense why you gotta check the bolt face before you set the torque. Saves you from having to redo the whole thing later.
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josephs263mo ago
Yeah "tough lesson" is putting it lightly. I did the exact same thing on a control arm bolt a few months back and ended up snapping it clean off. Had to drill it out and retap the whole thing, so trust me @benw87, your tip about zeroing the gauge first is solid advice.
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