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 MANUALSFORD1999EXPLORER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSCYLINDER HEAD ASSEMBLY
1999 Ford Explorer 4WD V6-4.0L VIN E
Cylinder Head Assembly
1999 Ford Explorer 4WD V6-4.0L VIN ESECTION Cylinder Head Assembly
NOTE: Use new cylinder head bolts.
NOTE: Left-hand cylinder head shown, right-hand is similar.
1. Install the eight 12 mm cylinder head bolts in the sequence shown. Tighten to 35 Nm (26 lb/ft).
2. Install the two 8 mm bolts and tighten them to 30-34 Nm (23-25 lb/ft).
3. Tighten the eight 12 mm bolts.
Stage 1: Rotate all eight bolts 90° in the sequence shown.
Stage 2: Rotate all eight bolts an additional 90° in the sequence shown.
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.