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 MANUALSCHEVROLET1985CAMARO Z28, 5.0 H, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISFUEL INJECTION SYSTEM - SINGLE UNIT TBIREMOVAL & INSTALLATIONTHROTTLE BODY ASSEMBLYREMOVAL
1985 Chevrolet Camaro Z28, 5.0 H, Standard
Throttle Body Assembly: Removal
1985 Chevrolet Camaro Z28, 5.0 H, StandardSECTION Removal
- Relieve pressure from fuel lines as explained under Fuel Pump Pressure Test. Remove air cleaner. Disconnect throttle linkage, return spring and cruise control linkage (if equipped). Disconnect and identify all electrical connectors from throttle body.
- Disconnect and identify all vacuum hoses from throttle body for installation reference. Disconnect fuel lines from throttle body using 2 wrenches. Remove 3 throttle body-to-manifold bolts. Model 500 uses 2 long bolts to secure air cleaner isolator and 1 throttle body-to-manifold bolt. Remove throttle body.
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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.