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.
1987 Mazda RX-7 Base, StandardFACTORY OEM SERVICE PROCEDURE
Air Pump
- With engine at normal operating temperature, inspect all hose connections for leaks. Check for pump noise and belt tension.
- Stop engine and disconnect air line at air control valve. Connect hose to a pressure gauge. Connect tachometer to engine. See Fig 1 .
- Start engine and run at idle speed. Gauge should register more than 1.64 psi (.12 kg/cm2 ) with engine at 800 RPM. If pump pressure is below specification, replace air pump.
Factory Service Tools
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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.
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