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  1. marcjs

    1HD-T Voltage Converter Relay Question

    Just to close this post out - turned out to be my starter. As simple as one could expect pulling the starter out could be, it turned out to be more difficult due to lack of access. The starter is attached using two fasteners through the mounting flange: a M12 x1.25 hex bolt accessible from...
  2. marcjs

    SOLD OH - 79 Series Pick-Up Truck Project

    PM sent
  3. marcjs

    1HD-T Voltage Converter Relay Question

    @Squash, I plan on checking all of them tonight. I opened up the VCR (PITA!) and cleaned the contacts with a business card (apparently abrasives are a no-go for silver contacts). A burnishing blade would have been the better option, but I do not own one. There were some obvious hot-spots...
  4. marcjs

    1HD-T Voltage Converter Relay Question

    My HDJ81 began having starting issues over the weekend, whereupon first attempt to crank I would simply hear is the relays engage, but no starter cranking. Upon second attempt it would consistently crank and fire. I knew this would be short-lived, so I began troubleshooting. I'm glad I did...
  5. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    Update. She's back on the road and running better than ever :beer: Note to the wise: getting old is not for sissies - nor is pulling and reinstalling a Denso injection pump on a 1HD-T. In order of operation and my subjective assessment of difficulty (1- easiest; 4 - most difficult)...
  6. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    She's out
  7. marcjs

    For Sale JDM Grab bag. Mostly 80 series. Rear visors etc updated 1/25

    PM sent (re JDM over fender flares)
  8. marcjs

    For Sale JDM Grab bag. Mostly 80 series. Rear visors etc updated 1/25

  9. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    Ok, time for an update. I cleaned the pump as well as I could within a reasonable effort level, pulled all the injector lines off, removed mounting bracket, and went for it. I had my wife observe the plunger movement toward the rear of the vehicle under thec action of the cam while I turnred...
  10. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    @Eurasiaoverland, that makes sense. I don't claim to be a diesel expert, just looking for an explanation for odd behavior. I'll be pulling the filter out tonight to see whether there is any evidence of contamination, but so far the fuel I pumped from the housing was clean, but then again...
  11. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    BTW, I have a theory for the run-on I've been experiencing after shutting the ignition switch "off". Since the seal between the main housing/pump tank leaks enough to form a visable stream to ground, what is to stop the escaping fuel from being injested into the individual ports of the head...
  12. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    So I decided to attempt the in-situ head seal replacement last weekend...essentually getting the majority of the prep work accomplished. The pump lid has been removed, the tank drained using a MityVac MV8000 siphon-pump, the injector lines disconnected, and open ports capped. I have both Star...
  13. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    @donnerpassing, that's fascinating! Unfortunately the 1HD-T (and I presume FTE) pumps are packaged much closer to the block than the Cummins, which would make that surgical operation that much more of a challenge. Additionally, our top plate (governor cover) features a speed control...
  14. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    @Eurasiaoverland, thanks for your reply. Yes, I understand the operation of the cut-off solenoid and that it should effectively stop the running once 12v is removed via shutting off ignition switch. I was questioning whether I could have had an alternate supply of combustible fuel entering...
  15. marcjs

    FDJ81 Leaking Injection Pump Voodoo

    My '91 JDM HDJ81 recently developed a drip from the injector pump, which seems to cure itself once warmed up. I was planning to investigate the source, and temporarily reseal if appropriate, but then after a visit to the local Sam's Club I cut the ignition and she kept on running at very low...
  16. marcjs

    Parting Out 92 HDJ81 parting out

    Do you have a functioning driver's side window switch assembly?
  17. marcjs

    2UZ-F2 Cam Seal Leaks

    I couldn't tell whether the leak was coming from the outside of the seal or the inside since the vehicle had sat for weeks before I could face revisiting the job. In regards to the degree of difficulty of the rebuild, it wasn't bad at all. I had the valve seats and valves re-ground by a...
  18. marcjs

    2UZ-F2 Cam Seal Leaks

    Neoworm, thanks for the quick reply. I've tapped many a cam seal in also without issue, so it surprised me when he said that. This was my first 2UZ-FE rebuild, so it made me wonder whether the interferance fit wss just too tight for the seal in the bore or what???
  19. marcjs

    2UZ-F2 Cam Seal Leaks

    Question for the 2UZ experts... ...I recently rebuilt my son's 2UZ-FE top end after a blown head gasket. After reassembly and fire-up, oil leaks arose from the front cover below each of the valve covers. I asked my local dealership's master tech about it and he inquired how I went about...
  20. marcjs

    MUDShip Delete

    Please delete - no longer required.
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