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1990 GMC SIERRA 1500
4.3L V6 Vortec•4WD•AUTOMATIC•gas
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Repairs0Labor1018Torque4592Fluid18DTC0Battery2Maintenance0Recalls0
brakes

Brake Booster Torque Specs

for 1990 GMC Sierra 1500 4.3L V6 Vortec · 4WD
Units

12 fasteners

Seq
Component
Torque
Angle
—
Bleeder Screw
12 lb-ft · 16 Nm
—
—
Bleeder Screw
12 lb-ft · 16 Nm
—
—
Brake Booster Nuts
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
18 lb-ft · 25 Nm
—
—
Brake Booster Nuts
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
18 lb-ft · 25 Nm
—
—
Brake Pedal Pushrod Lock
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
11 lb-ft · 15 Nm
—
—
Brake Pedal Pushrod Lock
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
11 lb-ft · 15 Nm
—
—
Caliper Mounting Bolts
Critical
Use thread locker
75 lb-ft · 102 Nm
—
—
Caliper Mounting Bolts
Critical
Use thread locker
75 lb-ft · 102 Nm
—
—
Master Cylinder Nuts
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
18 lb-ft · 25 Nm
—
—
Master Cylinder Nuts
Critical
⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL
18 lb-ft · 25 Nm
—
—
Wheel Lug Nuts✓ Verified
Critical
Torque in star pattern
90 lb-ft · 122 Nm
—
—
Wheel Lug Nuts✓ Verified
Critical
Torque in star pattern
90 lb-ft · 122 Nm
—
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