Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1990G 30 VAN V8-305 5.0LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDRUM BRAKE SYSTEMTOOLS AND EQUIPMENT
1990 Chevrolet G 30 Van V8-305 5.0L
Drum Brake System: Tools and Equipment
1990 Chevrolet G 30 Van V8-305 5.0LSECTION Tools and Equipment
BASIC SERVICE
- Jack or lifting device.
- Safety stands.
- Lug nut wrench.
- Bleeding device;
- Pressure bleeder or
- Vacuum bleeder or
- One-man brake bleeder kit or
- Length of clear plastic hose (3/16 inch ID) and a glass jar.
- Brake spring removal and installation tools:
- Brake adjusting tool, and a small screw driver (used to lift the pawl when retracting the shoes/linings).
- Torque wrench (0-120 lb. ft.).
- Complete set of combination wrenches or sockets.
- Drum brake micrometer (for measuring drum diameter).
- Drip pan.
- Clean shop towels.
IF WHEEL-CYLINDER OVERHAUL IS REQUIRED
- Wheel cylinder hone.
- Feeler gauge set (for measuring clearance between piston and bore).
- Jack or lifting device.
- Safety stands.
- Lug nut wrench.
- Bleeding device;
- Pressure bleeder or
- Vacuum bleeder or
- One-man brake bleeder kit or
- Length of clear plastic hose (3/16 inch ID) and a glass jar.
Brake Bleeding Setup:
- Brake spring removal and installation tools:
Hold-down Spring Tool:
Return Spring Tool:
- Brake adjusting tool, and a small screw driver (used to lift the pawl when retracting the shoes/linings).
- Torque wrench (0-120 lb. ft.).
- Complete set of combination wrenches or sockets.
- Drum brake micrometer (for measuring drum diameter).
Drum Micrometer:
- Drip pan.
- Clean shop towels.
IF WHEEL-CYLINDER OVERHAUL IS REQUIRED
- Wheel cylinder hone.
- Feeler gauge set (for measuring clearance between piston and bore).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.