System Specifications

2006 Jaguar XJ (X350) V8-4.2L SCSECTION System Specifications







Cylinder Head
Tighten bolts 1 to 10 20 Nm
Tighten bolts 1 to 10 35 Nm
Tighten bolts 1 to 10 90°
Tighten bolts 1 to 10 90°
Tighten bolts 11 to 12 25 Nm


Cylinder Head Warp
Maximum permitted cylinder head warp 0.125 mm

Intake Manifold
Tighten 22 Nm

Camshaft Bearing Cap
Tighten 10 Nm

Exhaust Manifold
Tighten 25 Nm
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.