It's been about forever, but my F250 is once again on the road, having had the turbocharger replaced. During the downtime I also completed several little projects. I've taken it down the road and picked up a yard of dirt, so I know it's working. I still need to deal with two or three more things and then I can attack the Mercedes again.
A stitched-panorama shot of the underhood area.
As I've written previously, I own a 1992 F250 with the pre-Powerstroke 7.3 liter V8. My truck is equipped with an ATS 088 turbocharger kit and the matching 3" exhaust. The previous owner did not take any care of the truck whatsoever, and many leaks were "fixed" with an overgenerous application of silicone. Unfortunately, I discovered the hard way that the turbo oil return was open to the air when I found a great deal of water in my oil pan which could only have come across the hood, behind the water seal which I'd disturbed while replacing the wiper motor, and run down through the oil return grommet. This prompted me to tear into my truck again, and while I was there fixing all the other leaks, I decided to finally trim up my custom intake.
Ever since I got it, my 1992 F250 has had a bad wiper motor. The symptom, which can be caused by several different kinds of faults, is that it didn't "park". That is to say, the switch turned the wiper motor on and off, regardless of setting. High speed always worked, but park never did. I proved that the motor was the problem by taking off the cover and cleaning the contacts, and having it work for a short time. Rather than fight corrosion and continually shave switch contacts, I decided to drop the forty bucks retail on a new window motor.
The fuel injection system on the classic 6.9 and 7.3 liter International-Navistar engine used in diesel fords from the 70s to the early nineties is relatively simple, but some confusion still remains about how it functions. The major components of the system are the lift pump, filter head and filter, fuel injection pump, fuel injectors, return system, selector valve, and the fuel tanks.
The fun, it burns. And it never stops, either.
In the last few days the Ford's had new batteries and some cable soldering work done, eliminating two of the four lead terminals and replacing them with the stamped steel lead-free style. The Mercedes, meanwhile, has had an '83 (or was it '84?) W123 300D turbo rebuilt and installed, along with a manual boost controller, W123 air filter housing which I still need to modify to take the W126 cold air intake, and VDO boost and voltage gauges. The voltage gauge is just something I had around, and it's taking up space until I get a VDO pyrometer to go in there; it's never a good idea to turn your turbo up without a pyro.
I have finally concluded the repair of my 1992 Ford F-250's steering system. I say "repair" but "replacement" is a more honest description, as I have replaced everything but the intermediate shaft. I find it interesting that this component is in such apparently good shape (it slides and rotates without any sound or feeling of friction) when everything else in the system was shot, especially since several Diesel Stop members have complained about its failure.