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Drives

Found 13 results

  1. I just bought a pre-owned 2015 Yukon Denali and I Love it! I've been waiting for the feel of a big V8 engine with 4 wheel drive so this girl can dirty on any road.. It's beautiful and I'm SO happy to own a sexy Denali. I've only had it for two weeks so I'm learning every thing about it with each drive. So far the engine purrs and all gauges read level. It's got 98k mi on it so I'm expecting it to have some wear and tear. So just yesterday morning I pulled away from a stop sign and gave a good rev got up to 50mph in a few sec... and as I approached a slow zone I took my
  2. About 1 year ago I replaced the engine in my 1989 suburban v2500 with a 5.7L tbi engine in it, I used another chevy 350 from summit racing and used most of the old Accesory drive then, about 6 months after I completed the build it noticed a loud rattling noise that sounded like detonation to me but only under low speed acceleration and it would stop when I let my foot off the gas, so I began troubleshooting the issue. I replaced the egr valve, put colder spark plugs in it, replaced the knock sensor, tried high octane fuel, retarded the timing adjusted the valve lash and now I am lost, the no
  3. I have an 06 Silverado with 215k miles. Has the L33 Aluminum Block 5.3 in it. It runs great, has good power, but has an odd ticking/knocking noise. It doesn’t make the noise until it’s been running for about a minute so I don’t think it’s exhaust. I also do not think it’s a lifter because it sounds more lower end towards the rear of the engine. Has anyone had any experience with these L33s knocking? It has been making this noise for a while now and it’s very annoying/embarrassing. I’m not sure if oil has anything to do with it but I use penzoil 5w30 full syn. Let me know if you have any ideas,
  4. I have a 1997 k2500 Suburban with the 7.4 vortec. It is a 290,000 mile engine and I was recently doing some work to it. I put new injectors, valve cover and upper intake gaskets, distributor, plugs, wires, and a fuel presssure regulator. This engine was fine before and the only reason I had done this work was because it was cranking for about 5-8 seconds before it would start. When I put everything back together, I got the timing as best as I could (I do not know how to properly time these newer engines) and started it. Immediately, the engine was shuttering and I could hear what sounded like
  5. Took my 2017 Chevy Silverado z71 to the dealer today . Engine was ticking on top end sounded like a lifter tick and slight deeper knock in bottom end . oil presure was all over the place would go from 65 psi to 25 psi at same rpm. I have 44,000 miles. Has anyone else had this issue? With the strike in play who know how long I will be without my truck.
  6. Hey guys, I got a 2015 Silverado 5.3l. 138,250km. started ticking sometime last winter. Would happen instantly at start up and last about 5 minutes then would fade away. Sounded like a lifter. Took it to the dealer they said they couldn't hear it. Sound went away so left it. Fast forward to this winter and as Soon as the weather started to cool down I noticed the ticking again. Took it back to the dealer said they couldn't hear it again. I went and picked up my truck right at closing, soon as I fired her up the sound was there but everyone was gone so no one to hear it. I took a
  7. I have a 99 Silverado LS 5.3 new body style. I noticed a loud knocking noise coming from underneath the truck when I let off the gas. I thought it was the front drive shaft u joint but I took the drive shaft off and drove it and it still has the knocking noise. Changed cv axles both sides. Put new seals on the front diff. Brand new suspension. New control arms. And still can’t figure out what it is. Any guesses?!?!?!
  8. Our 2017 2WD Colorado Z71 with 33k miles started making a knocking sound at low speed, worst at around 20mph, sometimes more noticeable than others. First the dealer put it down to normal tire noise, then a few months later when the noise got worse said it was cupped tires and that we needed to replace them. They recommended less aggressive tires as the "stock" all terrain tires always cup and make noise apparently. So, we had a new set of tires put on and the rhythmic thumping was still there, more obvious now that it wasn't masked by tire noise. The noise seemed to come from the front of t
  9. 2007.5 nbs SiveradoI LTZ 6.0L I've been reading the forums up-and-down and can't find anybody with similar problems. kinda. My truck starts no problem, it idles nice and smooth. With no noises. And when running in V8 mode I hear no noise 1st 2nd and 3rd. Power is normal. The knocking / rattle happens when I let off the gas and the truck enters V4 for mode. I can hear a click when it does this. Then when under very slight acceleration while still in V4 Mode I start hearing a very loud knocking / rattle under the glovebox area. If I keep the truck in this position and staying in V4
  10. About 3 months ago my 2014 Z71 Silverado developed a metal on metal knocking sound coming from the front suspension area. Round 1 with the Chevy dealer... I was told my the knock was the strut mount bolts were "not tight". -- The knock promptly returned the next day.... Round 2 with the Chevy Dealer... it was discovered that the "lower insulator" on the passenger side strut was cracked. parts have been ordered... -- I will have an update on Friday after the repair is completed..
  11. Hey guys, Recently my 2011 silverado with the 5.3L has begun pinging under load at around 2000rpm. Here is a list of things I have done already: 3 bottles of Lucas Oil Deep Clean though fuel tanks(3 tank fulls) 1 bottle of Chevron Techtron concentrate (half tank full) new air filter cleaned MAF sensor cleaned throttle body Used AutoCal to read spark advance during pinging event; minimum advance was 18* during pinging (pinging does not stop unless I change throttle position) Note; I have a Blackbear tune. I now believe it is a faulty knock sensor since the pinging does not
  12. Hi, I have a 2005 Yukon XL 5.3. It has 155,000 miles on it and I bought it brand new. Recently it has been making a knocking noise. It sounds like it is coming from the drivers side front of the engine (see attached video). When I rev the engine the knocking noise goes away. It happens intermittently and mostly at idle. There is no engine light on and runs great. Anyone have any idea what it could be or is it anything I should be concerned with? Thanks in advance Yukon 001-1-1 (mp3cut.net).mp3 Yukon 001-1-1 (mp3cut.net).mp3 Yukon 001-1-1 (mp3cut.net).mp3 Yukon 001-1-1 (mp3cut.net).mp3
  13. I have searched but found nothing similar to my situation. I apologize if I ovelrokked this topic I have a 2007 Silverado classic 5.3L V8 Flex Fuel 130K Miles. When I start my truck in the mornings or after sitting for a while it cranks and sounds fine. After a few minutes it develops a knocking sound (Very noticeable sound) that last for about 5 minutes. After 5 minutes it goes away and sounds fine. Its just odd that it takes 5 minutes or so for the knocking to start and after 5 or so more minutes to go away after that it sounds fine. Anybody got any ideas or suggestions where to s
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