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Drives

  1. Anyone else experiencing a hard shift or hesitation of the engine when you first hit the gas. For example, I start the truck, reverse out of the driveway, put the car in drive and when I hit the gas, the truck goes toward and then i feel the truck completely stop for a second (hesitation) and then it continues forward, I only expierence this when I’m going from reverse to forward. I come to a complete stop and do not shift to drive when moving backwards still. ?
  2. I have a 2016 Chevy Tahoe 105,000 miles. Twice last week a few days apart my check engine light began flashing about 15-20 minutes into my commute and turned off within about 1-2 minutes both times. My spark plugs were replaced at 97,576 miles last October at the dealership and the coils, boots, etc, were inspected . I’ve been told that putting a tank of high quality supreme grade gas could help the problem. Has anyone else had this issue?
  3. Hey everyone, Running into an issue with my truck and I want to see if anyone can give me some insight. 2017-6.2l-4wd Truck drives normal in drive. Throttle response is good, gets up and goes, But, If I put it in park and try to rev it, it will runaway all the way to limiter and slowly creep back down. I will try to post a video a little later if needed, but I wanted to see if anyone has had this issue. It will also do it in neutral, but does not in drive. As well, I do not have a throttle response enhancer installed. Things on the truck: UPR Catch C
  4. At 1800 miles I noticed that my truck started or has been making this really annoying, high pitched squeak every time it switches from V4 to V8 on the highway. It almost sounds like a valve opens up when the cylinders reactivate and is driving me nuts!! I don't hear anything when it goes from V8 to V4. Unfortunately, I don't get to enjoy the "quiet cabin" GM advertised because of the squeaking. Has anyone else experienced this issue? I have the 5.3L V8 in a 2015 LT Crew Cab short box Z71
  5. My truck has 131K miles on it. After an oil change by the dealership. I started the truck the next day and noticed a very loud squeal from the engine. It goes away after about 20 secs. But if i drive and give it a good acceleration, you hear the squeal around 3500 to 4500 RMP. Movie 3_2.mp4
  6. Enjoy! Here's a copy of the 2007-2009 GM/GMC factory service manual for trucks. It covers trouble shooting and advice on what and how to repair/rebuild everything with torque specs. 4.3L engine to 6.6L trucks with everything form bumper to bumper... https://www.dropbox.com/s/rflvemxjpqfc4h4/Gmc_Sierra_Service_Manual_Repair_Manual_Fsm_2007-2009_Download.zip?dl=0
  7. I have had this problem for quite some time. I've been trying to narrow it down one test and one part at a time with no luck. It will occasionally drive great with no problems but other times it surges while accelerating and driving down the road. I've had the timing checked, replaced the spark plugs, replaced the wires a while back, replaced the EGR valve, and replaced the cap and rotor. The truck will idle fine except for the occasional rough idle in gear during the times the truck is running badly. Any suggestions would be appreciated. Thanks.
  8. While driving my 2014 Silverado, I never have a problem if I accelerate quickly. However, there has been skipping/sputtering when I coast or slowly accelerate. This is not a clicking, loud knocking sound like I see most describe on here... Anyone have any idea what it could be? Thanks in advance! If needed I can try and video the sound later on today.
  9. Currently working on a 6.0L V8 (2000 LQ9 I believe) and cannot seem to locate the PCV valve and hose (see image for reference). I was under the impression that they weren’t integrated into the valve cover until around 2005. The body of this truck is a 2000 Sierra 1500 but the engine was replaced from the 4.8 to the 6.0 at some point so I’m guessing for a lot of the component locations. First time poster, any helps appreciated.
  10. I'm trying to update an old 51 pickup that hasn't run in years. What's the most affordable way to put a newer engine in it? I was thinking something like a small block, but I'm out of my depth. The end goal is a dessert runner, mild offroad capability.
  11. On Sunday March 8th I was driving my Sierra home from my parents-in law. I pulled out from a stop sign and was just getting up to speed when there was a loud bang followed by loss of power, Loud ticking noise, vibrations and a sulfur smell coming from the exhaust. I knew this was lifters instantly as it Happened to me in August of 2018, a short 11,000 miles ago. So, I took it in to my dealer who ran diagnostics and gave me the news That I would need lifters replaced yet again. Unfortunately, my power train warranty ran out December of 2019, so they told me I would owe a balance of $2900+ tax.
  12. Hi, I'm pretty new to this website. Came across it when I was looking for an answer to my problem . . . I don't know too much about trucks.. cars....4 wheel vehicles. I just bought this 06 crew cab 1500 silverado 4.3L had about 80k miles on it. I actually noticed the sound when I was test driving it from the dealer. Now it has about 101k miles and noise is still the same. it makes a rattling noise, almost like a metal noise at LOW rpms only. Doesn't matter if its 35 or 75mph. Have to be cruising like slight amount of acceleration. Sounds like its coming from the engine.. I checked a bunch of f
  13. I have a 1999 s10 blazer with a 4.3 motor i'm putting in a 2002 4.3 motor and the crank sensor whole is different what can i do? Are there any other differences i know about as well?
  14. My 2019 SIlverado 4x4 has 3,100 miles. It was parked in the driveway last week and when I attempted to enter it into the garage, and in Drive, it sat there for a second or two, and then lurched into the garage. I instanteously hit the brakes and got it stopped. When I pressed the gas, the truck just stood still, then took off into the garage. Now, today, as I backed out of the driveway for a quick errand, the emergency brake would not release, then it released, but as I selected Drive, it refused to move. I played around with it several times, pressing the brake pedal as in
  15. I recently acquired a 1951 Chevrolet 6100 missing its engine and would like to refurbish it. However, Instead of putting in the original engine (Chevrolet 235) I am looking for an engine that came out in the next 10-15 years to put in my truck that will out put 200+ horsepower without being out of touch with the truck. Any advice would be greatly appreciated.
  16. Truck started to make a squeaking noise this weekend, took it to the dealership on Monday. Dealership called Tuesday and said that they could not find anything wrong with the truck and that this sound is normal. Take a look at this video so that you can hear and understand what I am talking about. https://youtu.be/aERzjGAX-aU Does this sound normal to you guys? I also put water on the belt and the noise was persistent so it does not appear to be the belt. Any help would be greatly appreciated!
  17. "ENGINE POWER REDUCED, SERVICE TRACTION CONTROL, SERVICE STABILITRAK" Has anyone ever came across this before? Let me start from the beginning. On 11/2932013, halfway on my drive from work to home, I noticed that my truck would "sputter" and the rpm would fluctuate when giving it some gas while going up a hill/incline (interstate). Once I was done with the hill/incline, everything would smooth out. Closer to home, once again, I would only notice the "sputter-like" reaction and rpm fluctuating slightly when giving it gas to climb a hill/incline. Made it home fine with no problems or war
  18. Hey Guys, I have the opportunity to pick up a 2019 5.3 engine & transmission with 20k miles on it fairly cheap. I have an 09 sierra that I'd like to swap it into, currently running a stock 5.3. My question is: Is it a big deal to make a change between years like that? I've replaced engines before in older trucks but never with this type of age difference, I don't want to get in over my head. Thanks!
  19. Hey everyone, I picked up my 6.2L 2020 GMC Sierra AT4 about 3 or 4 months ago. I haven't gone ham on it or anything crazy, mostly just normal in town driving, a little highway driving, and one 400 mile trip on the interstate & highway pulling an 18' enclosed trailer (just helping someone move, so the trailer wasn't heavy; just furniture and stuff, not snowmobiles or anything heavy like that). The truck only has a little over 2,000 miles on it. From the beginning I always thought the engine sounded kind of weird, had like a ticking or clicking noise to it. Everyone else told me they couldn
  20. I have a 07 TB LT with a 5.3 LH6 engine.. The engine is shot i found metal shaving under neath inside the oil pan the truck dis not over heat it just stalled on the hwy and didnt turn over. Tried spinning the fly wheel but no look it is out. What would be my cheapest way to fix this? Simply purchasing another engine (ard to find and expensive) or buying a short block and replacing? If there is any other engine that u know are capable of just quick replacing and plug amd play please let me know
  21. 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.
  22. Hello new to the forum, so giving it a try. First off I have a 03 Chevy Silverado 2500hd 4x4 with the 6.0L in it. Has 180000 miles on it. Been having a faint whinning noise under the front of it in the morning right at the torque converter, goes away when warms up, but also been having a hard shift when going into Passover gear, when in a hard pull or pulling trailer up hill.But only does it going into passover. On saying all this got to looking at trucks history on car fax found that Mr Transmission had replaced the torque converter. So called a buddy of mine who works at another transmission
  23. My 2016 Sierra 2500HD has 176,000 miles on it already and recently started eating parts. The latest part to fail was the reductant tank heater (DEF Heater). Upon cold start the check engine light came on with code P21DD. After a little reading I learned that this can result in “Limp Mode”. I was in the middle of nowhere in Northern Wyoming. Not cool! I drove down to Denver and replaced it that week. I shot this video of the repair.....
  24. Anyone have issues with shifting between 2nd to 3rd and the truck revs up about 750rpm, or 1000 when towing then catches? Dealer told me it is normal but it has been progressively getting worse over time. Never did it when first bought it but started around 10,000 km doing it weekly where now at 60,000 km does it multiple times daily. Warmer weather does cause this to occur more often and harsh. Brand new transmission as well installed which never made a difference. Doesn't seem right to me as you can really feel when towing the stress on that shift. Wondering to the crazy flare up when under
  25. Hey guys so I have a 2019 Silverado 1500LD with a 3.42 rear end with 11k on the clock. I've been noticing that my engine or coolant temp goes passed 210F but when it hits the next 1/8 gauge stick it goes back down passed the middle mark to 190°F. Is that normal for 7000 pounds uphill towing in 95°F weather. Talking about the 5N grapevine in Cali for those who know the climb.
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