Valve Spring

1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Valve Spring
GENERAL SPECIFICATIONS
Valve Springs Compression Pressure (N @ Spec. Length)
Intake 680 N @ 30.19 mm (153 lbs @ 1.18 in)
Exhaust 680 N @ 30.19 mm (153 lbs @ 1.18 in)
Free Length (Approximate)
Intake 46.8 mm (1.84 in)
Exhaust 46.8 mm (1.84 in)
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)
Service Limit 10% Pressure Loss @ 30.09
Out of Square Limit 1%

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.