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1-7 of 7 Results
  1. 11-16 LML Performance Parts Discussion
    hello, this is my first post, I can’t seem to find a good reason for my issues with google so I thought I would try here. I have a 2011 gmc sierra 2500 which the 6.6 (obviously 😂) and I noticed that my coolant tank always seems low when engine is hot, and returns back to normal when it cools...
  2. 911 Problems Forum
    Alright, I'm sure this has been a thing alot with the Lb7 but mine had been light hazing the past few months, recently been losing coolant somewhere, no visible leak. Today I got to work and low coolant warning came up, shut off truck and topped up tank. Truck sat all day then when I went to go...
  3. 11-16 LML Duramax Powertrain
    Hello, 2014 LML 95k miles. Some tuning stuff turned off but no hard part removal on engine or blockers. I am suspecting head gasket issues, but unsure. I would like to take an 8 hour one way trip pulling with it but want to try to rule out HG… Anyway, bought the truck last year at 91k...
  4. 04.5-05 LLY Duramax Powertrain
    Hello, I have a 2005 lly duramax. I recently did head gaskets and studs on it. In the process I put new injectors hard fuel lines , return lines, intake,up pipe, y bridge. Air dog 150 and cp3 pump now currently I am having a problem where when I accelerate hard in lower gears it pops and there...
  5. General Discussion
    my lb7 duramax has been kinda weird with coolant it has black stuff on it like oil and it gets really low but once the truck is warm it goes back up and today when I open the reservoir cap after letting it warm up for 30 minutes coolant start to pour out of the overflow any ideas ?
  6. General Discussion
    So my lly has been giving me a low coolant light and water in fuel light the last week or two. Coolant has been coming out the top of my expansion tank and my top radiator hose is a bit stiff in the morning. Along with pressure in the expansion tank in the morning as well. Typically I’d assume...
  7. 04.5-05 LLY Duramax Powertrain
    hi im looking for a good mechanic in arkansas to change my head gaskets on my 05 3500 anybody know of a good mechanic that wont charge my a fortune i know its a long process just cant afford a alot and is it smart to go with arp screw in studs
1-7 of 7 Results