Torque for TCA pinch bolt & X-member bolt (4x4 cossie)
#2
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I'd be interested to know this also. The Haynes manual for non-Cosworth models describes the following:
Lower arm-to-hub carrier balljoint nut: 65 to 85NM/48 to 63lbft.
Lower arm inner pivot bolt: Stage 1 ("clamping" torque) 45Nm/33lbft, Loosen fully, Stage 2 ("snug" torque) 15Nm/11lbft, Stage 3 Tighten through a further 90deg.
Can anybody confirm as to whether this correlates to Cosworth models?
Thanks,
Alex
Lower arm-to-hub carrier balljoint nut: 65 to 85NM/48 to 63lbft.
Lower arm inner pivot bolt: Stage 1 ("clamping" torque) 45Nm/33lbft, Loosen fully, Stage 2 ("snug" torque) 15Nm/11lbft, Stage 3 Tighten through a further 90deg.
Can anybody confirm as to whether this correlates to Cosworth models?
Thanks,
Alex
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#4
I managed to snap the pinch bolt while torquing it to spec (70 Nm) with torque wrench. The torque wrench never made the clacking sound and the bolt just kept screwing and screwing but never getting very much resistance until it snapped. I tested the torque wrench on a wheel nut and it made the clacking sound at about 70 Nm so I'm sure the torque wrench is working. Stupid question: I tightened the nylock nut, while holding the Torx bolt itself still, is this the reason? Does it matter if I hold the nut still and torque the bolt instead? The pinch bolt & nut are original bought from Ford, so they should be atleast 10.9. I'm puzzled.
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