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 MANUALSFORD1999F 150 2WD PICKUP V6-4.2L VIN 2REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSCYLINDER HEAD ASSEMBLY
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2
Cylinder Head Assembly
1999 Ford F 150 2WD Pickup V6-4.2L VIN 2SECTION Cylinder Head Assembly
TORQUE SPECIFICATIONS - Cylinder Head Bolts
CAUTION: Always use new cylinder head bolts.
NOTE: Lubricate the cylinder head bolts with engine oil prior to installation.
Position the new bolts.
1. Position the new long bolts.
2. Position the new short bolts.
Tighten the bolts in the sequence shown in three stages.
Stage 1: Tighten to 20 Nm (15 Lb-Ft).
Stage 2: Tighten to 40 Nm (30 Lb-Ft).
Stage 3: Tighten to 50 Nm (37 Lb-Ft).
CAUTION: Do not loosen all of the cylinder head bolts at one time. Each cylinder head bolt must be loosened and tightened prior to working on the next bolt in the sequence.
In sequence, loosen the bolts two or three revolutions and tighten the bolts one at a time in the following manner
Short bolts numbered 2, 4, 6, 8:
25 Nm (18 Lb-Ft)
Tighten an additional 180 degrees.
Long bolts numbered 1, 3, 5, 7:
45 Nm (33 Lb-Ft)
Tighten an additional 180 degrees.
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.