Operation CHARM
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GMC Truck
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1998
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Envoy 2WD V6-4.3L VIN W
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Brakes and Traction Control
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Vacuum Brake Booster
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With RPO JC1
With RPO JC1
Fastener Tightening Specifications
Vacuum Booster Mounting Nut
36 Nm (27 ft. lbs.)
Component Specification
Brake Assist Tandem Diaphragm
260 mm (10.24 inch)