Home/Mercury/Sable/Mercury Sable IV (1999-2005)/Repair manual/Engine System General Information/Valve - Spring Strength

Contents

Wiring diagrams Section: Engine System General Information

Engine Oil Leaks

Engine Oil Leaks-Fluorescent Oil Additive Method

Leakage Points-Underhood

Leakage Points-Under Engine-With Vehicle on Hoist

Leakage Points-With Transmission and Flywheel Removed

Cylinder Leakage Detection

Excessive Engine Oil Consumption

Valve Train Analysis-Engine Off-Valve Cover Removed

Valve Train Analysis-Engine Off, Rocker Arm

Valve Train Analysis-Engine Off, Camshaft Roller Followers and Hydraulic Lash Adjusters, Overhead Camshaft

Valve Train Analysis-Engine Off, Camshaft-Engines

Valve Train Analysis-Engine Off, Push Rods

Valve Train Analysis-Valve Springs

Valve Train Analysis-Engine Off, Valve Spring Retainer and Valve Spring Retainer Keys

Valve Train Analysis-Engine Off, Valves and Cylinder Head

Valve Train Analysis-Engine Off, Camshaft Lobe Lift-OHC Engines

Valve Train Analysis-Engine Running, Camshaft Lobe Lift-Push Rod Engine

Valve Train Analysis-Engine Running

Valve Train Analysis-Engine Running, Valves and Cylinder Head

Valve Train Analysis-Engine Running, Valve Tappet

Sprockets

Rocker Arms - Cleaning

Push Rods - Cleaning

Camshaft Journal - Clearance, Push Rod Engines, Micrometer Method

Camshaft Journal - Clearance, Plastigage Method

Camshaft - End Play, Push Rod Engines

Camshaft - End Play, OHC Engines

Camshaft - Lobe Lift

Camshaft - Runout

Crankshaft Main Bearing Journal - Clearance

Crankshaft - End Play

Crankshaft - Runout

Piston - Inspection

Piston - Pin to Bore Diameter

Piston - to Cylinder Bore Clearance

Piston - Selection

Piston - Ring End Gap

Connecting Rod - Cleaning

Connecting Rod - Bearing Journal Clearance

Valve - Stem to Valve Guide Clearance

Valve - Spring Strength

Valve and Seat Refacing Measurements

Cylinder Head - Distortion

Cylinder Bore - Cleaning

All sections

Valve - Spring Strength Mercury Sable IV

Engine System General Information 2 illustrations

Valve - Spring Strength

Special Tool(s)

Scheme 969

Scheme 969: Valve - Spring Strength

Scheme 969: Valve - Spring Strength

Scheme 970

Scheme 970

Scheme 970

Use a Valve/Clutch Spring Tester to check the valve spring for correct strength at the specified valve spring length. If out of specification, install new components as necessary.