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  1. Maintenance
    Good afternoon, Long time reader, first time poster. I have a drivers side clunk that cropped up a few days ago. I can feel it through the floor board. It occurs only at low speeds and when turning. At highway speeds or on washboard it is not present. Entire front end has been replaced in the...
  2. Maintenance
    So I got my old 06 up and running again... I had it all taken apart because I was replacing all of my brake lines and I noticed this. Now should I be replacing my fuel pump if it looks like this? I know rust is normal but it looks bad... its just on the surface though.
  3. 04.5-05 LLY Duramax Powertrain
    hello, just joined the forum, looking for help. im new to diesels but know a little bit ive got an 04.5 lly thats having issues starting, doesnt matter the temperature. the truck will crank and crank, but absolutely will not start unless a quick shot of starting fluid is introduced into the...
  4. General Discussion
    Hello guys, I bought my truck with 80k miles, in 2019, ( it was used on very long daily commutes, 90 miles each way, by previous owner) and now I’m right at the 120k mile mark, I’m in west Texas so summers are hot. The truck is completely stock, I am thinking about buying a bigger radiator and...
  5. Maintenance
    This is nothing new here, I am just fishing to see if there are any solid, with countless examples, of must do improvements to a person that has a LBZ (or similar model) that intends to keep the truck stock.. or stock plus if you will. To my understanding and research with some mechanical...
  6. General Discussion
    Hey everybody, 2021 Chevrolet 6.6L Duramax Looking to buy some parts to keep in the truck for working on it if anything happens and for oil change... Need the following info Oil Filter Wrench size Oil Drain plug size Lug nut size Fuel Filter Wrench size Also where do you drain the water from...
  7. 11-16 LML Duramax Powertrain
    hello everyone I just purchased a 2015 LML Duramax with 160,000kms (about 100,000 miles) it is bone stock, one previous owner didn't do anything just normal maintenance. I don't know too much about diesels as this is my first diesel truck. I have done a lot of research and am now a bit worried...
  8. 2001 - 2007 (GMT800) Non Powertrain
    I apologize in advance if this was already answered. I’m new to forums and couldn’t find a write up (if there is one) Owner before me put in a mishimoto radiator and it is leaking in a few places. I’m more than likely going to go back with an OEM radiator and going to be doing it myself. Is...
  9. Maintenance
    Hey ya’ll, New to the forum, new to diesels and Duramaxes. I have a 2017 Silverado 2500 (L5P) I just traded my dodge challenger in for. It’s got 174,000 miles on it but overall looks and feels good while driving. I checked car fax and it looks like it was serviced at all the right times. What...
  10. 04.5-05 LLY Duramax Powertrain
    Hey yall I've got a kind of odd-ball question. See ive been having some T-case issues, its grinding constantly when truck is moving, sounds absolutely terrible, like im dragging a paint bucket full of nails and rocks and shit.. anyways, I took it in to my family's dealership where Johnny, my...
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