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GMC
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1978
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Forward Control 5.7L Eng VIN L, Standard Trans
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Repair and Diagnosis
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Maintenance
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Procedures
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Ball Joint Checking
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Alternate Method
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Spring On Upper Control Arm
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Lower Ball Joint
Lower Ball Joint
Replace ball joint if there is any perceptible looseness at joint.
Fig 1: Spring On Upper Control Arm
Courtesy of NOT AVAILABLE