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.
1976 Ford Courier Automatic TransFACTORY OEM SERVICE PROCEDURE
Servo Diaphragm
- Visually inspect all vacuum hoses for damage and proper routing. Disconnect vacuum control valve-to-intake manifold vacuum line at "T" fitting near air injection system control valve.
- Disconnect air control valve vacuum line and connect it to "T" fitting so intake manifold vacuum can be applied directly to servo diaphragm. Disconnect vacuum hose from distributor and connect tachometer to engine.
- Start engine. Engine speed should raise to 1400-1500 RPM. If not, adjust speed by turning adjusting screw on servo diaphragm throttle lever until specified RPM is obtained. Reconnect vacuum hoses to original positions.
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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