Vanden Plas L6-4.0L (1990)
Suspension Spring ( Coil / Leaf ): Service and Repair
Coil Spring, Front
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Jack up the front of the vehicle and support with axle stands.
NOTE:Ensure the vehicle is high enough to access Service Tool JD 115
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Remove one road wheel/tire assembly.
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Fit the lower adaptors to the tool, and fit Service Tool JD1 15 to the front spring.
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Engage the dowel in the slots in the suspension turret top.
ENSURE THAT THE DOWEL IS SEATED CORRECTLY.
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Tighten the tool to tension the spring until the load is taken off the spring pan.
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Remove the spring pan securing bolts, slacken off the tool wing nut to release the tension on the spring and release the tool from the suspension
turret.
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Remove the service tool.
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Remove the spring plates and road spring from the tool.
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Assemble the new road spring and new plastic spring plates to JD 115.
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Fit and engage the tool to the suspension turret.
ENSURE THAT THE DOWEL IS FULLY SEATED IN THE SLOT IN THE SUSPENSION TURRET.
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Align the spring pan inner bolt holes, fit guide studs to the inner bolt positions and tighten the wing nut of JD 115 to tension the spring.
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Ensure that the lower adaptors are correctly seated.
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Fit guide bolts as the spring is being compressed.
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When the spring pan is fully seated, remove the guide bolts and studs one at a time and replace with NEW securing bolts.
WARNING: NEVER RE-USE OLD SPRING PAN BOLTS. ALWAYS RENEW THEM.
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Release the service tool wing nut and remove the tool adaptors from the suspension unit.
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Refit the road wheel and tire assembly, noting the wheel to stud relationship.
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Fit and tighten the road wheel nuts.
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Lower the vehicle, check the wheel nuts.
SERVICE TOOLS
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JD 115 Spring compressor
TORQUE FIGURES
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Spring pan to lower wishbone 55-60 Nm
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Wheel nut to stud (steel wheel) 65-85 Nm
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Wheel nut to stud (alloy wheel) 88-102 Nm
SPANNER SIZES
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13mm
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22mm
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15/16AF