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Finally got time to replace the steering pump, and... Now the hydraulics seem fine. I opted for a new one, not reman, so it'll have a better warranty, if nothing else... Just did a ~30 min tour around town and it stops, turns, etc. as expected. No soft brake pedal, no stiff steering... Now...

Finally had a warm enough day without precipitation... Did a flush of the hydraulic system with Dextron. Pushed about half a gallon through the system, installed in inline filter in the return line, then buttoned up the system. I forgot to take pictures... It behaves a bit better now... But...

Yeah, I was going to replace the connector too, just in case. As for the hydraulics, I just replaced what was in the truck. I didn't add anything else. I don't see a filter in the TMs, so it hadn't occurred to me. Are you suggested trying to pull out as much power steering fluid as I can, and...

I haven't forgotten about this.... Between sickness in the house and weather outside, things haven't been conducive to working on the truck... First, I mentioned that the setpoint on the reman alternator was a bit higher than the original (14.92 V vs 14.8 V). Finally took a picture (see...

Awesome! Thank you kindly.

Good point. Glow plugs are button push. I have not verified if the glow plug card is even still in the truck... And yes, my plan is to continue tracing wires. And maybe replacing the alternator connector, just because. Once it stops raining...

Yes, probably dielectric grease, but after 35+ there's plenty of "diesel schmoo" on everything too! With a healthy covering of rust on a lot of things, to boot... 3 connections on the stator to the diode pack, probably doing a simple half-wave rectification. Normally you'd have a capacitance or...

I had thought about that too. When I removed the old alternator, I noticed that the contacts on the connector were kind of gross. I did try to clean out the contacts when installing the new alternator, but it's always possible I didn't do a good enough job. Definitely worth another look...

I did buy some voltage meters a bit ago (cheap Amazon buys when Christmas shopping), but haven't wired them in yet. The best I've gotten so far is someone revving while I'm measuring. Not quite the same thing... But what I saw there was a voltage drop as RPMs increased, which seems odd to me. I...

So that might normally be true, but I've read here that the CUCV alternator tend to be a little higher. Additionally, there is a sticker on the Wilson reman I bought that specifically states the regulator setpoint is 14.92V, so I think I'm seeing values in line with the intended output of that...

Like I said, sorry about the novel... I was trying to get as much information as might be relevant out there. I could try to swap the alternators. The fact that I'm seeing roughly the same thing between the one that was in there originally and this new one makes that sort of unlikely. Not...

Hey all, I don't think I'm retreading an existing issue, but correct me if I'm wrong... Sorry for the novel... I have been trying to make sure I cover the "Duh" things first, and provide enough information here to be useful. 1986 M1008. The issue I'm trying to resolve right now is with the...