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    No OD Cycle, Extremely Weak D Suddenly?

    Ok I’ve been working on a laundry list of issues on my 91 E350 IDI. I most recently fixed a leaking fuel line after (front of) #4 and took a drive to town. Lots of details—not sure what’s relevant. Water In Fuel light was on—I drained the filter and it was still flickering after so I figured I...
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    Throwing Transmission Codes, No Power in Drive

    So after driving a good while without any hiccups I parked my 91 7.3idi E350 short bus for about three weeks of bitter cold. When I went to turn it over for the first time the dreaded OD light of doom started blinking before I even got her going. Had to jump it and now the OD light isn’t coming...
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    91 7.3 V-Belt water pump procedures?

    Searching has been a mixed bag—mostly running into serpentine instructions. Does anyone have a link for a thorough water pump replacement procedure for a 91 V-belt? Are both the big fan clutch nut and pulley bolts LHT? I’m a bit confused there. Mostly wondering what all accessories I have to...
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    Coolant leak/ loose fan?

    Annoying greenhorn here. Parked today and saw a coolant leak, traced it back to the water pump. Went in to check things out and found that my fan had about a half inch of play in it. I can grab a blade and shake it down to the pulley like a loose tooth. What the heck is that about? Do I need to...
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    Vacuum Pump removal process, V belt

    I’m finding conflicting info on the steps to remove the vacuum pump and exchange the pulley. From what I’m seeing I have to pull the pulley first with the V belt set up. I use a rental power steering puller, unless it doesn’t fit—then buy the harbor freight kit. That sound right? Or can I get...
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    Smaller Brake Booster Diameter?

    Long story short I ended up putting in a reman booster that fits my rig (and was sure easier to get in than the bigger guy was to get out!) but is smaller than my old one (which was probably working perfectly... the vac pump was just playing games with me). Anyone ever tried to use a smaller...
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    Master cylinder wiring harness?

    The three prong pigtails coming out of the master cylinder—what does this do? Trying to see if I have an electrical issue worth troubleshooting here.
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    Brake Booster Design Question

    Just bought a used brake booster off a fellow who smoked a cigar and talked to me about his previous customer’s boobs—what could possibly go wrong, right? My question: is the green foamy bushing sleeve that surrounds the pedal rod where it enters the booster an integral part of the system...
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    7.3IDI Hard Brakes—harder to un-break

    Welllp, I guess Eastern Oregon is as good a place as any to break down and start my new life as a cowboy... ‘91 Ford E350 Bantam 7.3IDI Pulled off the highway yesterday and all of a sudden my brakes got as stiff as (bad joke here), no boost assist at all except the first brake after start up...
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    Cigarette lighter : Bad Ground?I can’t draw any power from

    i run an inverter off my 7.3 cigar lighter socket and it’s been malfunctioning so I took it apart, changed the fuse, checked everything. From what I can tell I’m getting power to the back of the socket but I don’t get a reading if I connect to negative of my voltmeter to the wall of the socket...
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    Gauges Rising Simultaneously?

    I have a Bantam short bus (basically a ‘91 E350) that I got at auction a year ago. Worked thru tons of problems but with it warming up this old glitch is starting to worry me. First off forgive my noobness, not only am I a mechanic-by-necessity, I’m a total dope when it comes to electronics. I...

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