Aston Martin DB9 Torque values

PartScrew headsTorque NmComment
Engine Cross Brace4 x T5049
Engine Corner Braces2 x 4 x T50 49
Wheel Nuts4 x 5 x 22(on most cars)first 80, then 135
Manifold Center brace8 T308-12Pay attention to sequence (from front to back: 1,4,6,3,7,5,2
Intake Manifold2 x 7 x T308-12
Bolts fuel rods3 x 8mm8-12
Throttle body2 x 4 x 8mm8-12
MAF sensors2 x 2 xTR15very little!Tiny Security Torx with pin in middle
Air box screws2 x 7 x T25 or 8mm1.5-2(!)Dual screw head.
Both T25 and 8mm fit in/on the same screw.
Beware: 2Nm is nothing!
Front inner wheel well arch linerlots of wide head M6 T306no specific value given in Workshop Manual but generic M6 values are taken fron end of manual
Front slam panel8
Seat base rails2 x 4 x ...mm20-25
Seat belt mounts35
Inside door handles2 x 2 x ...9
Transmission Oil sump drain plug7-9
Differential Oil sump plug / fill plug49
Engine Oil sump drain plug23-27
Spark plug cover2 x 10 x ...2.5-3.5
Brake caliper front/rear20 Nm + 66°-70°Single use bolts only!
Hand brake caliper15 Nm + 90°-94°Single use bolts only!



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