I need to replace the thermostat on a ford e350 diesel (old uhaul truck) 1990. I looked in the manual a couple of months back and seen to recall it behind the altenatotr on the intake but I can find the book. Where is the thermostat and how do I replace it?
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Re: replace thermostat on Ford e350 diesel 1990
Follow top hose from radiator to engine, it connects to steel tube with a plat and 2-3 boltshold plate down. sypgon radiator down into clean bucket, remove bolts, take out thermostat, clean both mounting surfaces very clean until only metal showing put in new thermo put gasket on tighten bolts and add antifreeze
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Glow plugs create enough heat to fire the diesel fuel - could be some are defective..Saw an individual start a diesel by spraying either into intake. He said his glow plugs needed replaced. It started right up.
If you are looking for a complete wiring harness diagram then faxonautoliterature has the original Ford service manual for your truck which has complete diagrams in it. If you are looking for components to check then Haynes Diesel Engine Repair Manual, part # 10330 has good diagrams of components and terminals pinpointed for testing purposes as well as the specs for those tests and a good diagnostic section. Hope this helps.
when you replace the master cylinder, your are supposed to pump it up manually before you install it. If you don't, you'll have to sit there and pump the brake pedal a couple of thousand times as one almost microscopic air bubble at a time escapes the pressure tube and back fills with fluid. once you can push the pedal repeatedly without any bubbles escaping into the reservoir, then bleed the brakes. Starting with the farthest, usually the Right Rear and work your way up. Make sure you keep the fluid level topped off. If it sucks air once, you have to start all over.