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Dumb A

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  1. That may have been what that fellow was trying to tell me that sold me the PCM. I have kept every vehicle I've had clean just using WD-40 at the spray and wash places. WD-40 seems to be a better solvent then a lubricant for the really dirty oil soaked areas. This time I'm going to try some zep like moparman suggested.
  2. That's what I normally do, keeping my engine compartment and vehicle clean. That way you can see new oil leaks and things going wrong, hopefully keeping ahead of problems...
  3. Thanks.... The fellow who sold me the PCM was the one who said don't power wash/steam clean these units as it can kill the PCM, ECM and sensors. Made good sense but I don't like having a dirty engine and engine compartment. So off to the cleaners I go, then pressure test.
  4. Good info, I will get a pressure test tool and give it a test. There are oil leaks around the engine, dirty as can be. I haven't wanted to steam clean it as I'm concerned about the electronic components not working afterwards. Would it be smart to pull the engine, reseal it, clean it, replace all freeze plugs, bore the flywheel for the larger pilot bearing. This is if I find the freeze plug to be leaking. Is it a lot more work to pull the engine rather than the transmission.
  5. I don't know of any sensor on the back of the engine from the factory... your correct, I think someone has screwed that in there rather than a plug, why I don't know... I don't know if that is a coolant passage that it screws into or part of the intake manifold though. I'm guessing it is leaking from the freeze plug next to it, on the head. The coolant is coming from above the head gasket for certain. I took a long stick wrapped with many papers towels from the driver's side underneath and dried off the back of the head and block. I could then see coolant weeping down the back of t
  6. The sensor is bad and needs to be replaced, yes and I'm going to put a plug in its place, sensor was evidently to plug the npt threads. My next question is the port with the npt threads on the back of the head, water jacket or intake manifold? Because I saw air bubbles escaping around the ceramic on the sensor. The coolant leak may be coming from the freeze plug and wetting the sensor??? Thanks for your input.
  7. It was difficult to see, I used a mirror and lite from the driver's side. I will have to get a better look at it tomorrow. I'm going to remove the rocker cover to see if this helps and run the valves while I'm there. It looks like it was leaking from the center of the sensor?
  8. Help from the wizards please. I have a coolant leak dripping from the back of the head running down the bell housing. I stuck a small mirror back there and I see a sensor bubbling around the ceramic center. I tried to identify the sensor in the service manual, no joy. This sensor is screwed onto the head, water jacket at the aft end of the head between the head and firewall, thanks!!!
  9. It took me about 4 months to finish it and was actually fun. This type of work I rather enjoy. I even made the aluminum extruded siding as I couldn't purchase it from the factory. They didn't make that style any longer.
  10. I did reseal my vacuum pump, Napa wanted 93 dollars for the kit. I got it on eBay, genuine Cummins parts, 19 dollars and free shipping. Also got the fan hub bearing SKF brand on eBay 28 dollars. I will have a category of spare parts onboard when I travel. I will shop for them and get the best price for quality parts as I will have time to shop for them. I'm in Oregon and had planned on being in Arizona playing on my claims this winter. As it turns out with the uptick of covid-19 I'm going to winter over in Oregon. Up to Alaska for the summer (if Canada opens the border) and down to Arizona nex
  11. Yes, I agree with you. I have to admit I don't really shop much and I know I'm paying a bit more then I should. I did see a Eaton Tru-trac for 935 after I had purchased mine. More then the cost savings was my frustration factor dealing with this truck. It had a lot more wrong with it then I anticipated. The previous workmanship was substandard. For example when I tore into the rear end the carrier bearing had the inner race welded to the carrier to prevent it from slipping. Who does this type of work??? I'm actually enjoying driving it and looking forward to pulling my toy hauler. I'm still pe
  12. Yes JAG1, that's what that means. This is a common system in many vehicles "self regulated alternator" with one wire running to the battery from the alternator and no control wires for the fields of the alternator. Battery voltage is monitored through the charging lead. Moparman is correct in his statement about a smarter charging system controlling voltage regulation using the temperature sensor on one of the two batteries. In my case increasing battery life is a mute point as I was very close to launching a 50 caliber round through this Dodge. It was purchased as a project truck and in all m
  13. I did get my charging system working and got my "no bus" fixed as well. The "no bus" was an open ground because one of my connectors by the passenger battery came apart. The charging system was fixed by purchasing a single wire alternator from HEI in Oregon, 288 dollars free shipping. It has been 14.2 at idle or WOT. This is a Bosh alternator and a direct bolt in, no mods. The two control wires are now capped and secured to the upper alternator bracket with a zip tie, in the unlikely event I may want to go back to a stock system. I had gotten a refurbished PCM and it had the same problem as th
  14. Hey everyone, my silly years of being a machinist working with bearings on machine tools has taught me a lot. When applying grease to a slow moving item like ball joints and wheel bearings you can typically pack them full. But caution is the word for over greasing a high speed bearing, that may see 3000 rpm or more. The shearing of viscous grease between the balls will create excessive heat, destroying the bearing. The balls are rotating at rpm's 3, 4, 5, times faster then the bearing is. The leading edge of one ball and the trailing edge of the next ball are going in opposite directions, she
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