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.
2003 Ford Focus L4-2.3L VIN ZFACTORY OEM SERVICE PROCEDURE
Torque Specifications
Torque Specifications
Intake manifold mounting bolts 18 Nm (13 ft. lbs.)
Crankshaft pulley bolt
Stage 1 100 Nm (74 ft. lbs.)
Stage 2 90 degrees
Cylinder head bolts
Stage 1 5 Nm (44 inch lbs.)
Stage 2 15 Nm (11 ft. lbs.)
Stage 3 45 Nm (33 ft. lbs.)
Stage 4 90 degrees
Stage 5 90 degrees
Flywheel/Flexplate bolts
Stage 1 50 Nm (37 ft. lbs.)
Stage 2 80 Nm (50 ft. lbs.)
Stage 3 112 Nm (83 ft. lbs.)
Camshafts bearing caps bolts
Stage 1 one turn at a time until tight
Stage 2 7 Nm (62 inch lbs.)
Stage 3 16 Nm (12 ft. lbs.)
Intake manifold mounting bolts 18 Nm (13 ft. lbs.)
Crankshaft pulley bolt
Stage 1 100 Nm (74 ft. lbs.)
Stage 2 90 degrees
Cylinder head bolts
Stage 1 5 Nm (44 inch lbs.)
Stage 2 15 Nm (11 ft. lbs.)
Stage 3 45 Nm (33 ft. lbs.)
Stage 4 90 degrees
Stage 5 90 degrees
Flywheel/Flexplate bolts
Stage 1 50 Nm (37 ft. lbs.)
Stage 2 80 Nm (50 ft. lbs.)
Stage 3 112 Nm (83 ft. lbs.)
Camshafts bearing caps bolts
Stage 1 one turn at a time until tight
Stage 2 7 Nm (62 inch lbs.)
Stage 3 16 Nm (12 ft. lbs.)
Factory Service Tools
Use the Manual With the Right Hardware
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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.