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 MANUALSCHEVROLET1987HI-CUBE 6.2 J, 400/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - TBIOVERHAULDISASSEMBLY (MODEL 700)FUEL METER BODY
1987 Chevrolet Hi-Cube 6.2 J, 400/M40
Fuel Meter Body
1987 Chevrolet Hi-Cube 6.2 J, 400/M40SECTION Fuel Meter Body
- Remove fuel pressure regulator attaching screws while keeping pressure regulator compressed. Remove pressure regulator cover, spring seat, spring, and diaphragm. See Figure.WARNING: The pressure regulator includes a spring under heavy tension which may cause personal injury if released.
- Inspect pressure regulator seat for pitting or other damage. If damaged, replace fuel meter body. To do so, remove fuel meter body screws and washers. Remove fuel meter body from throttle body. Remove and discard fuel meter body gasket.
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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.