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 MANUALSFORD1985ECONOLINE E350, VAN DISPLAY EXTENDED, 5.8 GREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEADJUSTMENTTUNE-UP - DIESELADJUSTMENTSTRANSFER PUMP PRESSURE6.9L
1985 Ford Econoline E350, Van Display Extended, 5.8 G
Transfer Pump Pressure: 6.9L
1985 Ford Econoline E350, Van Display Extended, 5.8 GSECTION 6.9L
- Remove screw from transfer pump pressure port cover, and install transfer pump pressure connector (T83T-9000-A). Connector should go through cover and into pressure port. Install adapter (5650) onto connector and connect pressure tester (19-0002).
- Connect photoelectric tachometer to engine. Place transmission in Neutral and run engine at 3300 RPM with no accessory load. Pressure should be 95-110 psi (6.8-7.7 kg/cm). If not to specification, replace fuel injection pump.
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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.