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  1. J

    What is This sound from my engine?

    He has not even found the bad part yet! This is a STANDARD option on all if these trucks, if you actually make it to year 10 without a problem you are LUCKY. If you are PAST year 10, you are a GAMBLER!!!
  2. J

    What is This sound from my engine?

    When I did mine, Dorman did not offer the clamps. I think the Kral clamps are better overall. Yes, the drivers side rear is a PITA, but if you are determined you can do it. Nice to solve the cold start ticking and it will hopefully keep other bolts from breaking due to the weight and vibrations...
  3. J

    What is This sound from my engine?

    Your brake lines are a ticking time bomb!!! These start to leak where you cannot easily see them, you must remove some things to see where the lines come down near the drivers kick panel at an angle and then level out, this is where they almost always rust through/blow out. The brake line kits...
  4. J

    What is This sound from my engine?

    Cold start and acceleration is when you will hear the exhaust leaks. The CLAMPS will solve this problem if it is for the front or rear port position, which seems to be the most common failure. Even if more than 2 bold is broke, the clamps will help of solve the problem under most conditions. If...
  5. J

    What is This sound from my engine?

    First off ALL of these trucks have the exact same problem with the brake lines. In addition to the trucks many of the GM cars and other manufacturer cars have the SAME problem as well. I do not recall the exact years but it was like from 1997-2007 if I recall correctly . GM and other...
  6. J

    No codes, power loss

    Unless the "management" puts in the effort, hard to get anything resolved. I am sure this will rear its ugly head again at some point. Good luck.
  7. J

    What is This sound from my engine?

    Here is what I had. My brake lines were not nearly as crusty as some that I have seen. And for the record, I had not lost braking and had no idea this was leaking!
  8. J

    What is This sound from my engine?

    First, DO NOT bother with a brake line inspection, plan on a brake line REPLACEMENT. Unless the brake lines have been replaced in the past few years by a prior owner, they NEED to be REPLACED. It is not IF the line will fail, but WHEN. I have a very close friend that has replaced 4 sets of...
  9. J

    No codes, power loss

    Any update or progress?
  10. J

    What is This sound from my engine?

    Just to update a few things. 1. I am in process of replacing the brake lines on my 2005 Yukon Denali just as a Preventive process. When I went to replace the lines that ran under the drivers floor area, one of the lines was already seeping brake fluid!! I just had a deep down guy feeling after...
  11. J

    No codes, power loss

    Not sure if the Log files are always automatically uploaded to DropBox. Have her go the "Logs" tab, then click/touch the "Files" tab. There should be a list of every Log that was created and it will be listed by Date and time, then below in blue the Log time and distance will be listed...
  12. J

    No codes, power loss

    Honestly, this would be the first VeePeak failure I have heard of. I have continued to recommended these because they are cheap and have been reliable, I would say easily I have suggest that hundreds of people purchase the VeePeak interfaces and this is the first time I have had anyone say they...
  13. J

    No codes, power loss

    As long as you can figure out how to "share" a file or folder in DropBox then you are good to go once she is able to gather data. You typically just Share or attempt to email a file or folder and DropBox will generate a URL, just copy the URL and post is back here in the forum so I can download...
  14. J

    2004 Tahoe Parasitic Battery Drain

    Onstar is a problem if you have it. Pull the entertainment fuse and see what happens. Sent from my LG-V400 using Tapatalk
  15. J

    What is This sound from my engine?

    Yes, if the noise is an exhaust leak. If there is black around the cylinder head, the exhaust IS leaking. No gaskets, just install the clamp (2-3 bolts) and tighten the one bolt down to push the manifold against the cylinder head. I installed my clamps about a year ago and have had no noise or...
  16. J

    No codes, power loss

    I thought I had read the OP might have an oiled air filter, but this by itself is not necessarily a death sentence for a MAF. Although I may be somewhat new around here, I deal with A LOT of different forums, both Foreign and Domestic and I have been for a LONG time. I try not to commit every...
  17. J

    What is This sound from my engine?

    Not sure if you are DIY kind of person, not sure based on your missing the exhaust manifold bolts on the first glance. What you can do is what I did, I installed clamps rather than trying to remove the broken bolts. I had both rear bolts break on my truck. The clamps are cheap, as I recall...
  18. J

    No codes, power loss

    Fuel Trims will give a good idea for MAF behavior. But if the vehicle has been reasonably maintained with a air filter changes, not run without an air filter and not run with the oiled cone style air filter that may have been over oiled, usually the MAF will be clean. You can clean it, does not...
  19. J

    No codes, power loss

    There is a bit more to it that just connecting the tool up unfortunately. This will hopefully change a bit in the future. Here is some more info, you may want to forward this on or have her come view the info here. It takes some time to find your way around the tool. Hopefully this does not...
  20. J

    What is This sound from my engine?

    You are correct, there is s sheet metal shield on many of these trucks, but you can still see the exhaust manifold bolts easily if you just LOOK! How does this work for you?
  21. J

    What is This sound from my engine?

    "Looks like they are all there". This does not sound very convincing, but you are in charge of collecting the info. I would rule out any sort of exhaust leaks first, where broken manifold bolts, cracked manifolds, leaking pipes at manifold. It could be piston slap or something else. Very hard...
  22. J

    What is This sound from my engine?

    Did you bother to pop the hood and just look to see if there is a bolt head on each side of the the exhaust manifold at each exhaust port?? Just count, should be 8 bolt heads on each exhaust manifold, the front and rear most bolts tend to break first. Usually the rear most exhaust bolt on each...
  23. J

    What is This sound from my engine?

    Look for the bolt heads at both ends of the exhaust manifolds. I would be the rear most bolts on each side of the engine have broken, the bolt heads will be missing. But also look at the front of the engine as well. Exhaust tick is more prone when cold and on the throttle, some goes away as the...
  24. J

    No codes, power loss

    So something for you to think about and I am testing this out now. If you/whom ever owns the Android device is comfortable allowing me to remotely connect to the device. I may be able to do a lot of the background work in setting up and viewing data from the vehicle. This is using a commercial...
  25. J

    No codes, power loss

    OK, Android, this is helpful because there are some small variations between Android and iProducts. I would hold off on chasing sensors, even a "dirty" MAF should have been obvious to a decent mechanic. I rarely find "cleaning" a MAF does anything else to improve things. Some MAF's may benefit...

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