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Home >> Ford >> 2003 >> Escape 2WD V6-181 3.0L DOHC VIN 1 Duratec >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Valve spring compression pressure
Intake (n @ spec. length) 680 N @ 30.19 mm (153 lbs. @ 1.18 in.)
Exhaust (n @ spec. length) 680 N @ 30.19 mm (153 lbs. @ 1.18 in.)
Valve spring free length (approximate)
Intake 46.8 mm (1.84 in.)
Exhaust 46.8 mm (1.84 in.)
Valve spring installed pressure (n @ spec. length)
Intake 228 N @ 39.99 mm (51 lbs. @ 1.57 in.)
Exhaust 228 N @ 39.99 mm (51 lbs. @ 1.57 in.)
Valve springs installed pressure (n @ spec. length -service limit) 10% Pressure loss @ 30.09
Valve springs-out of square limit 1%
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