Kinda busy afternoon. Got the winter oil change done with some 10w-30.
Wired up a SuperDuty vacuum pump to a toggle switch temporarily permanent. Now I can switch HVAC modes again! Also yanked out my vacuum pump while I was in there. I will say before anyone asks I DO have hydroboost, and my cruise never worked so all the vacuum does is the HVAC.
I tried fixing one of my leaks. Holy cow, there's supposed to be an O ring in the housing? Did they use enough RTV?
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I never knew there was a sticker here. Clean is so much better!
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I also decided to take a gamble...
Being a GM guy for years I'm used to being able to modify the pressure and flow of the Saginaw power steering pumps like this:
http://www.gmtruckcentral.com/articles/2013/powersteeringmods/
I was disappointed to find that you can't do that with the Thompson pump that Ford uses. I noticed that the pressure valves in these pumps look very similar...
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But the whole assembly is quite a bit longer in the Saginaw pump compared to the Thompson pump...
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After very scientifically stabbing a screwdriver in the holes in the two pumps I found that the depth between the two is pretty close. So I decided what the hey, I have a couple spare pumps here so the worst that could happen is I toss schrapnel through my expensive hydroboost unit and my rebuilt steering gear....
I went ahead and drilled the Ford outlet fitting to 5/32 and removed the washer from the Saginaw pressure valve and plopped the whole valve/spring assembly into the pump that is on my truck.
I don't know yet if it's any better but it made it around the block and "feels" better. I'll update y'all after I have driven it a few days and the placebo effect wears off. One thing for sure. It seems to be moving more fluid than before. Never created a vortex in the reservoir before! I'm going to have to do a fluid flush soon too.
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