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  1. R

    Overheating in interstate

    I’ve had this truck 6 months so I don’t know any maintenance history except what I have done. This is the first time I’ve really worked this truck. Putting around town or running with no load it doesn’t overheat, but I’m 150 miles into a 500 mile trip pulling a trailer with a tractor on it...
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    Fuel Selection Valve issues

    I recently bought a 1990 F350 that had been sitting for about 2 years. It does not switch tanks. It runs normally out of the front tank. It has steady power and ground to the tank switch, and all the other wires switch on and off when tested with a test light to ground. I have been unable to...
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    testing for air intrusion

    This has probably been discussed before but i couldn't find a thread on it. I see a lot of people using clear return line to help narrow down the air leak. Would I be asking for trouble if I block off the return and put regulated air (5 to 10 PSI) in the schrader valve and checked the system...
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    Fuel Tank options

    I saw in a of other threads mentioning installing a larger fuel tank. Can anyone let me know what options are out there. What parts are needed?
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    1990 F350

    Hi everyone. I’ve been a mechanic for years both civilian and military, but this is the first diesel I’ve ever owned. Truck has been sitting for a couple years, but I plan on putting it back on the road.
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