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  1. SkwerI

    Engine help, Cat 3126 turbo diesel

    Willie's suggestion was helpful, as was the hole punch Al made and sent to me a while back along with some other odds and ends. Took me about 3 hours to R+R the turbo with new, custom made gaskets. I had torn the original bottom gasket during the initial installation and tore the upper gasket in...
  2. SkwerI

    Engine help, Cat 3126 turbo diesel

    Actually, looking at the picture it looks like I tore the gasket. I'll buy some gasket material in the morning and cut out a new one. I can use the old turbo as a template.
  3. SkwerI

    Engine help, Cat 3126 turbo diesel

    Well, I thought I was done. Discovered I was leaking oil today from the oil return line coming out the bottom of the turbo. The hot and cold sides of the turbo are locked together with four bolts and you have to clock the assembly before installing it. You cannot access the rear bolt once it's...
  4. SkwerI

    Engine help, Cat 3126 turbo diesel

    New one was $991 plus tax. The nearest rebuilt one was in Ft Myers and wouldn't have been here until Monday, and that would have been about $800. I'm no turbo expert but I'm going to guess that the bearings and/or seals were shot. It was leaking oil, extremely noisy and had what I can best...
  5. SkwerI

    Engine help, Cat 3126 turbo diesel

    Glad to be able to schedule work again. I've been blowing off returning phone calls since I wasn't sure about the truck down time. Time to start calling people back although I'm already scheduled 4 days next week and it wouldn't break my heart if I didn't fill the other 2 days.
  6. SkwerI

    Engine help, Cat 3126 turbo diesel

    Dave, you're right that a boost gauge could help and you're also correct that I'm used to how my truck acts. The deteriorating performance was quite pronounced over the last few weeks. Everything is fixed now. I picked up a new turbo locally today about lunch time and installed it this...
  7. SkwerI

    Engine help, Cat 3126 turbo diesel

    That's the same talking website as all the other Google hits. Those fuckers spent a lot of money optimizing their search results. I can't find anything from anybody else except them. http://www.buyautoparts.com/addtocart/2001_Caterpillar/All_Models/Turbocharger/40-30397.html...
  8. SkwerI

    Engine help, Cat 3126 turbo diesel

    How about the horrible noises it's making, the lack of power and the smell of burning oil? I have two good mechanics and neither one of them is willing to rebuild this turbo. Both recommend replacement. The oil leakage today is just more evidence that the unit is shot. It wasn't leaking before...
  9. SkwerI

    Engine help, Cat 3126 turbo diesel

    Success! Got the numbers, along with plenty of oily evidence that the turbo is shot. This was completely dry yesterday, although I had noted a tiny bit of oil seepage around the back side looking at it with a mirror. I'm going to start Googling and I have the name of a local place, but if...
  10. SkwerI

    Engine help, Cat 3126 turbo diesel

    I found some old online discussions from 3-4 years ago and in three different cases I found that about $550 was the going rate for a rebuilt turbo. Even with some inflation added that's an easy pill to swallow. I just need to get the numbers and find one. Heck, I'll probably swap it out myself.
  11. SkwerI

    Engine help, Cat 3126 turbo diesel

    Thanks Andy. I drove the truck about 80 miles today and now the turbo is covered in oil. I guess that answers that! I asked two mechanics about rebuilding the turbo and both of them recommended against it, saying a rebuilt unit was the way to go. I just got back from the yard where I tried to...
  12. SkwerI

    Engine help, Cat 3126 turbo diesel

    Good to know, Paul. I'll keep that in mind.
  13. SkwerI

    Engine help, Cat 3126 turbo diesel

    Scott, mine ran at 210 for a couple years as well. With the new radiator it runs much cooler, right at 195 and never gets any hotter no matter what I do. Stephen, I'm planning on it. I need to get the numbers off the turbo tomorrow and begin searching.
  14. SkwerI

    Engine help, Cat 3126 turbo diesel

    Mine was plugged on the inside. I kept blowing and washing out the fins but it would overheat at the drop of a hat. 3-4 red lights then accelerating to 50 would put me in the hot zone. Tow, new radiator plus a new fuel injector pump put my repair total at about $3600. That was last November I...
  15. SkwerI

    Engine help, Cat 3126 turbo diesel

    Keep an eye on your temp gauge. If it stays on the high side of normal under average use then your radiator is most likely plugged. My truck had zero maintenance for the first 5 years (lease truck) so I've had to repair dozens of items that could have been avoided with normal, routine maintenance.
  16. SkwerI

    Engine help, Cat 3126 turbo diesel

    I finished up work about 3pm and decided to bring the truck home and take a look at the wastegate. I removed and inspected all the cold side air piping and the entire air filter assembly. The bearings in the turbo have some slop but it doesn't seem excessive (although I really don't know). I...
  17. SkwerI

    Engine help, Cat 3126 turbo diesel

    Cory, how many hours are on your truck now? I just turned 12,000 hours about 2 weeks ago. Seems like I've had an extraordinary amount of repairs but I've learned a lot about the truck.
  18. SkwerI

    Engine help, Cat 3126 turbo diesel

    He can fix it, but I surprised him by popping in today unexpected. I originally was going to drop it off Thursday but I got scared heading to work this morning and turned back before heading 40 miles down the road with the truck not running right. He simply didn't have time to address it...
  19. SkwerI

    Engine help, Cat 3126 turbo diesel

    Yup, lift pump is good and injector pump was replaced 6 months ago ($1200, not $60). Fuel pressure is perfect. Thanks for the video, Andy.
  20. SkwerI

    Engine help, Cat 3126 turbo diesel

    No engine codes at all according to the mechanic and I try to let the truck idle about 2-3 minutes before shutting it off. When I pull into the yard I have to get out to move my pickup out of my parking spot and then park the truck. The truck is a 2001 so I'm not sure exactly what is or isn't...
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