Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJAGUAR2006XJ (X350) V8-4.2L SCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSTORQUE SPECIFICATIONS
2006 Jaguar XJ (X350) V8-4.2L SC
Torque Specifications
2006 Jaguar XJ (X350) V8-4.2L SCSECTION Torque Specifications
Torque 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
Intake Manifold
Tighten 22 Nm
Camshaft Bearing Cap
Tighten 10 Nm
Connecting Rod Cap
Tighten 10 Nm
Tighten 30 Nm
Tighten 90°
Flexplate
Step 1:
Tighten the retaining bolts working diagonally 15 Nm
Step 2:
Tighten the retaining bolts working diagonally 110 Nm
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
Intake Manifold
Tighten 22 Nm
Camshaft Bearing Cap
Tighten 10 Nm
Connecting Rod Cap
Tighten 10 Nm
Tighten 30 Nm
Tighten 90°
Flexplate
Step 1:
Tighten the retaining bolts working diagonally 15 Nm
Step 2:
Tighten the retaining bolts working diagonally 110 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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.