I am trying to troubleshoot a strange noise that occurs when I start my 2008 5.3L 4WD Avalanche. It only happens occasionally, usually only on cold starts (although I can get it to happen with repeated startups), and it is usually pretty brief and goes away as the car starts. Its a metallic noise but kind of hard to describe, so I have a video/audio of three repeated startups, and the noise occurs on the third turnover.
My first thought was of course starter, but I am not sure if it would make this kind of noise, and it does not occur often or long enough for me to pinpoint the location of the sound. Any ideas? Thanks in advance!
Hey all! Hope everyone is having a wonderful Monday morning. I’m reaching out to y’all because i purchased my 2014 Silverado 5.3 used, with 76k highway miles. From purchase, it had a decently loud engine, which after reading some posts about direct injection and the oil delivery of these engines, thought it was normal. But after comparing engine sounds to other 2014-2016 5.3 engines, I’ve come to the realization that my engine is obviously not operating the way it should be.
My transmission acts up a bit, but that’s GM transmissions... I’ll have it checked out when I take it for a warranty service.
Anyways, I wanted to hear what you guys think on this topic. I can’t seem to figure out what the whining is from, and why it’s incredibly quieter on other trucks. Maybe my (part that produced the whine) needs to be replaced? I don’t know what it is. My starter grinds sometimes and it’s a nasty sound, but I heard starters aren’t covered under warranty. Then, I noticed, if I get on the pedal and let off, there’s a chirp...I have no freakin clue what that is, so any insight on that helps. Next up is my lifters. I have to definitely get new lifters, and I heard that the lifters go bad after many miles thanks to the B.S. AFM. Once I get the full service I’ll be tuning out the AFM.
Then, finally, is my driveline. I get almost like a “clunk” somewhere along the driveline towards the end when I’m coming to a stop, and going... I think it might be my UJoint.
Thank you guys for any input you leave, it’s greatly appreciated.
Hey Guys, I have a 2005 Chev 1500 Work Truck model, 4.8L v8, auto, 4x4, tow package.
I tried a search on here for my issue, but found only people posting the same issue as me and no one actually posted back that something fixed the issue (that I could find)
My power steering starts failing when my truck is warm, the longer it runs, the less the power steering works. It gets to the point in the summer that it's basically like manual steering and I have to crank the wheel so hard that my steering wheel starts to get a bunch of play in it.
Someone said that it could be the power steering sensor, but I just don't know why it would start working fine when I start up the truck and get worse as I drive more?
Has anyone had this problem and has found the cause for it? The pump whines when it's struggling too, it gets louder/worse when the wheel is harder to turn, but it's not a bad sound, just a labored power steering pump thats making up for something not working.
Any help is awesome
new guy on the forum here, hi!
I'm having a weird problem with my 2003 sonoma. Every once in a while my truck will whines (see video). It used to make a higher pitch whine than that when it was cold outside, but the weird thing is that it rarely does it. And I think it may be related but the truck smells like burnt rubber sometime. Another thing that maybe related to that noise is that when I let off the gas at 100-110 km/h, my rpm drops suddently from 2100-2200 to 1400-1500, and I go from 100-110 km/h to 70-80 km/h in seconds. I've checked my front end and brakes, and the noise doesn't come from there. I was thinking maybe a vaccum leak somewhere, but I'm not to sure anymore since its smelling burnt rubber. Anyone wanna give their 2 cents?
thanks in advance
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