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.
1985 Mazda GLC BaseFACTORY OEM SERVICE PROCEDURE
EGR Solenoid Valve
- The EGR solenoid valve is located on the firewall (behind carburetor). Remove rubber plug from port "B" and disconnect vacuum hose leading to port "A". See Fig 1 . Blow through hose leading to port "A". Verify that air is expelled from port "B".
- Disconnect vacuum hose from port "C". Unplug electrical connector, apply battery voltage to Yellow/Black terminal and ground Yellow/Green terminal. Blow air through port "A": Air should be expelled through port "C".
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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