Gmc sierra ticking noise when accelerating

i have a 2002 gmc 2500 4wd that had driveline clunk when going fwd to rev and back. checked everything but could not find it. mounted go pro under neath and saw/heard it coming from transfer case. problem was rear case of transfer case snap ring groove worn out and letting mainshaft move in and out. replaced rear case and noise is …

I've been experiencing this clicking noise since February. I have a 22 Refresh RST 4WD that is still experiencing a clicking noise whenever you are backing into a driveway. Changing gears from P to D, D to R, R to D and then accelerating. At times, you hear it when you are driving and coming to a stop. Then again when accelerating after ...Common causes of engine ticking noises when idling or accelerating and how to find the source of the noise. Does the sound increase with the engine RPM when ...I'm now at 130,000 miles and it has this sporadic knocking/clunking coming from the rear end. It does it mostly while easing off the throttle or just giving enough throttle to hold your speed, but will also do it under acceleration. It has yet to do it in the morning on the 10-12 mile drive to work but mostly does it about half way home in the ...1. Low Oil Level. Most often, the ticking is caused by a low oil level and will go away as soon as the system is topped off. When the engine doesn't have the right amount of oil, pressure drops and ticking begins. Ticking might intensify as you accelerate or push the car harder.Apr 3, 2013 · 136 posts · Joined 2009. #1 · Apr 3, 2013. Recently my truck has been making a very loud noise coming from the front end. I was driving to work one day when I heard a noise that sounded like a think piece of metal was flapping underneath the truck somewhere. Thought it might be the dust cover so I took it off and the noise persisted. The most common causes for slow acceleration in GMC Sierra 2500 HD are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs and clogged catalytic converter. ... GMC Sierra 2500 HD makes clicking noise and won't start - causes and how to fix ...

The noise sounds like air sucking or maybe a loose exhaust heat shield. The noise will stop when you take your foot off the accelerator pedal and return as soon as you press the accelerator. The noise only appears while driving, not while sitting still in park or neutral. The truck is all original and i had it up on a lift and everything is ...Purchased a 2012 5.3L 1500 LTZ and ever since day one I notice a sparking/clicking noise when I accelerate. It's almost like a spark under the truck or metal cracking sound... Does anyone know what it is? ... 2014 GMC Sierra 1500 Crew Cab All Terrain 2016 Mazda CX-5 GT PKG.Slight Ticking Noise. Within the past few weeks, anytime I drive past a concrete wall or a building I hear a ticking noise echoing from my truck. I didn't think much of it until this week, mainly because my radio is being weird and driving in silence brings out the most of problems :x. Anyway, I have had a lifter tick and I originally thought ...Bad Spark Plugs & Wires. Most Chevy's have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.15991 posts · Joined 2008. #6 · Feb 20, 2010. Mine made an awfully loud ticking/tapping when one went crapped out. Almost sounded like a noisy lifter. 06 LBZ EC/LB 4x4. Built Motor/Trans • Bullseye s475/87/.9 • 45% Injectors • Stock CP3 • Built and Tuned by Blackout Performance • 11.76 @ 115 SOLD. Save Share.Chirp when accelerating. I have a 97 1500 4x4 silverado, and I am at a loss with this. Every time you take off from a stop, and you hit the gas pedal, there's a "chirp" noise that comes from, the best I can tell, is somewhere under the hood or front end. It only does it for a split second as soon as you give it gas.Noise under heavy acceleration. Jump to Latest Follow ... Chevy Silverado and GMC Sierra Forum. 1.4M posts 181.3K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!

The ticking noise in the engine when accelerating could be from the motor top or axle shaft while running. In the engine, inappropriate lubrication in the motor top can cause a ticking noise. In other cases, loose valve trains like lifters or engine knocking due to engine misfire can also cause this sound.My 2012 Silverado regular cab 4.3 v6 makes a clunk noise every time I accelerate after coasting-. Like if something was re-engaging. it comes from under the cab. Much more often at low speed. Don’t know what to think, a mechanic friend said transmission issues, another guy said cv axle etc.Low oil levels may be contributing to clicking noises in the engine and can be fixed with oil additives that top up your engine oil. 3. Heater. If you're hearing a heater clicking noise in the car or clicking noise coming from deep within your dash, the problem is likely the blend door actuator. The actuators are either not positioned ...15 posts · Joined 2009. #8 · Oct 19, 2009. The quickest trouble shooting method to see if it is your header gasket would be to tighten down all the header bolts, some are most likely loose. If the ticking doesn't stop, well.. then it could be a pushrod or even a connecting rod.The clicking sound will start first and happen in easier and easier turns until you hear the sound even when driving almost straight. ... I have a 2001 GMC sierra 2500hd with an 8 in lift. When in reverse turning my wheels to the left I get a high pitch whining sound. ... It gets louder as I accelerate to coasting speed and is then constant ...

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Just started this morning at a traffic signal. As I was coming to a complete stop, the truck started surging and I thought it was going to stall. I put it in N and the idle came back up to normal. I then switched into D and it didn't want to go into gear unless I stepped on the gas pedal (up to about 1,200rpm), then it sorta slammed into 1st.As the title states, I have a pop/clunk noise when accelerating. It is most noticeable when going from a stop but I can also get it to happen when doing 20 or 30 and coasting and then getting somewhat heavy into the throttle. ... New ride 2024 GMC Sierra 3500HD X31 SLT 4X4 Staying stock '19 Yamaha YXZ 1000RSS 29' 2004 Keystone …Sep 1, 2015 · Check to see if all the bolts have their heads, then start the cold engine and feel around the manifold edges for hot gas escaping. As long as the engine is cold you can get your fingers pretty close and get a good feel. Lots of people mistake exhaust tick for lifter tick. Exhaust tick is much less expensive. AMP Powersteps: Amp Powersteps (Silverado 2014-2018): https://amzn.to/2M8tA3CToyo RT Tires: https://amzn.to/2BfzSgmRough Country 3.5” Lift: http://amzn.to/2G...13 posts · Joined 2013. #1 · Jan 26, 2014. I have a 2007 (newer body style) Sierra 1500 and today while driving across town my engine light came on and soon after I noticed the truck began shifting hard when accelerating after a stop light. It would kinda jerk into the next gear (never went over 35 mph) and also it kind of sputtered once thru ...

This article applies to the Chevrolet Silverado GMT800 (1999-2006). This article will identify and address these categories of noises: Engine squealing, knocking, clicking, and coughing. Drivetrain clunking, steering whining, and clunking. Suspension grinding, and brake screeching.30 posts · Joined 2006. #13 · Mar 31, 2009. I have the similar ticking. Mine is more when accelerating after engine is warm, fairly quick ticking. Almost like a poker card in the wheel of a bicycle. I do have the slower ticking noise when TB I6 is just started which I hear is normal and goes away once the engine is warm.2015-2018 GMC Sierra 2015-2019 GMC Yukon, Yukon XL 2019 GMC Sierra Limited Equipped with 5.3L Engine (RPO L83) or 6.2L Engine (RPO L86, LT1, LT4) ... noise. Technicians may find DTC P0300 set or in history. Cause This may be caused by one of the following conditions: • Active fuel management (AFM) lifter that is ...2. With Sodium Hydroxide. To clean the catalytic converter with sodium hydroxide, you'll first need to remove it from the vehicle. Then, soak the inside of the converter using a spray bottle. Make sure to spray into the cat from both sides. Let the cat sit for 20 minutes or longer so the chemicals have time to work.I have heard other 2014 with the 5.3 ecotech, the truck is new to me and they do not have the same idle ticking. I am bringing it in to the dealership on tuesday to have them look it over. 99% chance they will tell you it's the normal injector tick. Some are louder than others. It took me a while to get used to it.Here’s a more detailed list of the reasons why you hear idler pulley noise coming from your engine: 1. Worn Out Pulley. As you drive your vehicle, the idler pulley spins with the drive belt. Over time, this leads to wear and tear of the pulley from repeated use. As it ages, the pulley can develop wear marks and scuffs on the surface.Ans: A defective CV can sound like a loud click, popping, or clunk as the damage worsens. Frequent brake noise at low speed (caused by damage to the outer CV joints) makes grinding noises when making a tight turn at a low rate. A bad CV joint also causes a vibration felt in the steering wheel and floorboard of the car.Oct 31, 2017 · This noise is more noticeable on acceleration because the engine is working harder, making the noise louder. With an exhaust leak, the muffling of the noise is cut short, making the noise louder. Worn or otherwise compromised drive belts are a common cause of noises when accelerating. There are also some more technical causes to point out ...

The most common reasons a GMC Sierra 2500 HD engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak. 0 %. 30 % of the time it's the. Low Oil Level or Pressure. 0 %. 27 % of the time it's the. Ignition System. 0 %. 12 % of the time it's the.

The noise I am hearing sounds like a loud, rattling or grinding noise, but its a deep sound like thicker metal rattling together, not like thin heat shields rattling. Its not a rhythmic knocking or tapping. It happens very quietly at idle, loudly when first accelerating right after decellerating (like when you first press the pedal after a turn).257 posts · Joined 2013. #1 · Mar 15, 2013. Hello everyone, I have a 2013 Silverado and I just noticed a strange noise coming from under the truck. Im use to the ticking noise that it usually makes and I dont think that this is the same noise. I uploaded a video so you guys can hear, thanks in advance. Video unavailable.If it happens when accelerating and shifting out of V4 mode into V8, it's your muffler valve. Mine got pretty annoying. New cat back and squeak is history. See if letting off pedal like you have causes V4 mode, then stepping back on pedal causes V8 and the squeak happens. Forgot about that marvelous GM addition. :roll:2014 Ticking Noise. I have a 2014 Silverado ltz with the 5.3. A few months ago I was moving from GA to WA while towing a trailer. Since I made it to WA my truck has had a constant ticking noise during acceleration. It does not do it while idling or it's not noticeable while idling. This noise seems like it's louder with higher rpm's.5546 posts · Joined 2010. #11 · Jan 4, 2014. Direct injection motors are know for making noises. Seen lots of complaints from owners in the Cadillac forums for ticking, or pulsing of the injectors. Mike. 2021 GMC Sierra Denali 6.2L Ultimate 4wd. 2022 Polaris RZR XP 1000 Ride Command. 2017 John Deere X738. Like.1. Vehicle Won't Start. The most obvious warning sign of a bad starter relay is when the vehicle won't start when you engage the ignition process. As stated above, electronic keys do not have a manual ignition switch. However, when powered, it should send a signal to the starter relay once the key is turned or the starter button is pressed.33 posts · Joined 2020. #1 · Dec 12, 2020. 2010 Silverado 1500 4.8 l engine Km 83500. Ticking noise, tried wi 2010 Silverado 1500 4.8 l engine Km 83500. Ticking noise, tried with Rislone engine oil treatment. Quite at start until engine temp to operating temp. Then starts ticking. th Rislone engine oil treatment.8414 posts · Joined 2015. #3 · Nov 13, 2023. Maybe try getting the rear wheels up on jackstands and try starting the engien/putting it in drive and seeing if the sound happens. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd. 2012 Silverado 3500 dually, 6.0l, crew cab, long box replaced w flatbed.

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The 1955 Dodge Royal Sierra Custom station wagon featured a new design and a powerful V-8. Explore the 1955 Dodge Royal Sierra Custom station wagon. Advertisement The Keller years ...The noise sounds like air sucking or maybe a loose exhaust heat shield. The noise will stop when you take your foot off the accelerator pedal and return as soon as you press the accelerator. The noise only appears while driving, not while sitting still in park or neutral. The truck is all original and i had it up on a lift and everything is ...What Makes a Clunking Noise When Accelerating in a Car or Truck.Read here for more information. https://www.backyardmechanic.org/what-makes-a-clunking-noise-...5546 posts · Joined 2010. #11 · Jan 4, 2014. Direct injection motors are know for making noises. Seen lots of complaints from owners in the Cadillac forums for ticking, or pulsing of the injectors. Mike. 2021 GMC Sierra Denali 6.2L Ultimate 4wd. 2022 Polaris RZR XP 1000 Ride Command. 2017 John Deere X738. Like.Partially locked 4 wheel drive/bad vacuum solenoid. I eliminated this by driving the car and putting it into 4 wheel drive. There was a definite shift in power but the clicking was still there. I only attempted this because I have heard that the solenoid can get partially engaged constantly, which might have explained the clicking.2017 Sierra 1500 5.3 rattle while accelerating. 77k miles. Hey All. I have been having a rattling noise coming from the drivers side engine bay most often when accelerating up a hill but it will do it other times too. I should note I have checked all bushings and heat shields, they are fine. I also checked the manifold bolts and they are fine ...Engine backfires can be produced by: a vacuum leak. bad timing. problems in the ignition system. lean or rich air/fuel mixture. a faulty sensor. an exhaust leak. or some other system fault. Sometimes, locating the source won't take you much time, other times it can prove difficult.135 posts · Joined 2019. #12 · Feb 18, 2022. I had a rattle sound similar to yours during acceleration and deacceleration, turned out to be a loose heat shield under the firewall area near the driver side. Reached up with a speed wrench and took care the noise. That noise also sounds like a very small exhaust leak.Common Causes of Rattling Noises When Accelerating. These are some of the most prevalent sources of rattling or vibration during acceleration: Loose heat shields. Exhaust system leaks or damage. Worn engine accessory belts. Transmission issues like low fluid or mount problems. Damaged or worn driveshaft components.gmc sierra ticking/screeching noise. Jump to Latest Follow 1K views 3 replies 4 participants last post by nealinator Apr 17, 2019. M. Merrick.fox20 ... ….

I've recently purchased a 2005 GMC Sierra crew cab Z71 4x4 with approx. 84k miles. My problem is this: ... Another thing: At normal acceleration there is a slight ding sound when shifting into 3rd and also some other ding sounds hat sound related to U-joints being worn. Any ideas? Please let me know.Here are some most common causes of the 5.3 ticking noise when the engine is warm: 1. Insufficient Lubrication. One of the primary culprits behind the 5.3 ticking noise is insufficient lubrication within the engine. When the engine oil is not able to reach all the necessary components, such as the lifters and valves, it can result in a ticking ...First, place the car in park, turn off all accessories, and rev the engine. If you still hear the whining sound, it’s coming from the engine bay. If it’s not, go ahead and start driving. When driving, keep all the windows rolled up when accelerating. This locks out most of the noise, but if the whining is still making its way into your ...When I accelerate, I can hear a rattle sound. Then, when I stop at a red light it starts - Answered by a verified GM Mechanic ... THE PROBLEM IS MY A/C. WHEN I START MY VEHICLE AND ACCERLERATE IT MAKES A CLICKING SOUND FROM THE A/C - LIKE IT IS HARD TO PULL. ... Associate Degree. 369 satisfied customers. 2000 GMC sierra 1500: rattle..the faster ...This exact same issue is happening to my 2017 GMC Sierra 6.2L. Got the lifters replaced along with head gaskets after a ticking noise developed (one of the push rods was bent). After the job was done I drove it and heard a strange tapping, like someone was slapping the engine. Even felt it in the brake pedal. Also noticed the radiator hose jumping.Q: Ticking noise coming from throttle body area. For some time now when the engine gets warm a ticking noise occurs when accelerating. The sound sounds as if it's from the top of the engine toward the throttle body. When slowly accelerating at low rpm it begins to rattle. When it rattles if I give it gas it stops.Common Causes of Ticking Noise in GMC Sierra When Accelerating; GMC Sierra Ticking Noise When Accelerating [Problems & Solutions] Problem 1: Low …It has 130k miles. It just started making a loud hammering knocking sound while accelerating. Like a woodpecker on metal. It does it intermittently, less at lower speeds, most often 65 mph and over. I can make it stop by letting off the gas. The Chevy dealer tore down the transfer case, put it back together and told me to pick it up.Jan 24, 2020 · 271 posts · Joined 2015. #1 · Jan 24, 2020. My 2017 silverado has started this squeaking noise coming from the rear of the truck. It only squeaks when I accelerate from a stop and then when I come to a complete stop. I thought at first it was a shock or leaf but I can not simulate the squeak from bouncing up and down on the truck. Gmc sierra ticking noise when accelerating, 102 posts · Joined 2011. #1 · May 9, 2012. Hi, Just recently my 2010 GMC Sierra starts ticking/knocking when it is started cold or started after about 5-6 hours of sitting. I have heard from around the internet that during the production of 2010 models, bad lifters were used. I am nearing the expiration of my warranty and will probably take ..., Jun 20, 2023 · I’ve been experiencing this clicking noise since February. I have a 22 Refresh RST 4WD that is still experiencing a clicking noise whenever you are backing into a driveway. Changing gears from P to D, D to R, R to D and then accelerating. At times, you hear it when you are driving and coming to a stop. Then again when accelerating after ... , Common causes of engine ticking noises when idling or accelerating and how to find the source of the noise. Does the sound increase with the engine RPM when ..., The growling/howling/whirring noise can be heard in the vehicle cabin during moderate acceleration in 4HI from a stop, or during steady speed switching between 2HI and 4HI as shown in the video. As shown in the video above, at approximately highway speeds (55 mph or 89 km/ h) toggle between 4HI and 2HI, and listen for the same noise description ..., I've noticed several times that when I let off after accelerating I hear a ticking noise for about 2 seconds, then it quits. Sounds just like a noisy lifter. ... 2001-2012 GMC Sierra 2003-2009 GMC TopKick C4500/C5500 Series 2006-2012 GMC Savana Vans Equipped with Duramax(TM) Diesel Engine (RPOs LBZ, LB7, LGH, LLY, LML, LMM), Exhaust rattle noise. 2017 GMC Sierra. First start truck rattle noise underneath truck, sounds like it is possibly coming from exhaust. Only last about 30 seconds then fades away completely. If you quickly place the truck in drive or reverse in that 30 seconds, the rattle disappears, but as soon as you put in back in park or neutral the …, 724. Jun 6, 2012. #10. A couple things come to mind: 1) Check your transfer case fluid.. a dry case can make a ticking sound, you might have the infamous hole in the transfer case that many of us have had. 2) Parking Brake mounting bracket can come lose and make a sound like this..., G. GWB1120 Discussion starter. 1 post · Joined 2019. #1 · Jun 7, 2019. I have a 2018 Sierra 5.3 with 2300 miles on it. I just noticed a ticking sound that is coming from the front driver side of the engine. The ticking speed increase with engine RPM. Does anyone have any idea what the sound could be coming from?, Ticking noise on 2001 GMC Sierra 2500hd 6.0L Vortec. Hello everyone I have a 2001 GMC 2500hd 6.0L I am the third owner with 106,000 miles on the engine it has recently developed a ticking sound (kinda like a bad lifter or rocker arm noise) from what seems to be the lower portion of the engine it's a steady ticking sound it hasnt gotten …, The other possibilities for this noise in general are: 1) exhaust leak at the manifold. Judging by numerous YT videos, an exhaust leak at the manifold makes the same bad ticking noise and goes away when warmed up; and 2) Piston slap. GM will claim piston slap is normal but it's not. '01, 4.3l, with Throttleplate Mod, Glasspack, Rollpan ..., After getting the 6.5" lift installed and playing in the mud a bit my truck (2002 Silverado 1500 4x4) developed a ticking noise upon acceleration from a stop. Once I hit 20-30 mph it goes away. I've been leaning towards front and rear u joints needing replacing., The noise I am hearing sounds like a loud, rattling or grinding noise, but its a deep sound like thicker metal rattling together, not like thin heat shields rattling. Its not a rhythmic knocking or tapping. It happens very quietly at idle, loudly when first accelerating right after decellerating (like when you first press the pedal after a turn)., Your Chevy Silverado produces a clunking noise as you accelerate when the transfer case comes into contact with the skid plate. There are several reasons that would cause this to happen, including: Damage to the skid plate. Worn transmission mounts. Worn engine mounts. The drive shaft angles into the transfer case., But after a few days of getting the car back I noticed a rapid clicking/ticking sound when accelerating. This sound is hard to pinpoint since it seems to be mostly random and eventually goes away. ... 2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019 SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build ..., 6827 posts · Joined 2010. #5 · Sep 12, 2011. My only suggestion is just to go underneath, and shake, push, and pull on anything and everything, just to see if you can locate it that way. 2007 Yukon. 1997 Sierra 6.5 RCLB. *Sold*. 97 Sierra 1500. 03 Sierra 2500HD. 04 Silverado Duramax., G. GWB1120 Discussion starter. 1 post · Joined 2019. #1 · Jun 7, 2019. I have a 2018 Sierra 5.3 with 2300 miles on it. I just noticed a ticking sound that is coming from the front driver side of the engine. The ticking speed increase with engine RPM. Does anyone have any idea what the sound could be coming from?, Now, there can be leaks in the exhaust, true...but a quick check at idle should indicate a problem anywhere. If there is a leak, you should hear that noise consistently. If it is only under load and you do have an exhaust leak, it could be a sign of excess backpressure that should be addressed.Lifters and pushrods don't care about engine load ..., 2-Check the Transmission Fluid. Low or dirty transmission fluid can cause problems, including a whining noise when accelerating. Pop open the hood, locate the transmission dipstick, and check the level and condition of the fluid. If it's low, top it up with the recommended fluid type for your vehicle., The sound is present only when moving. If I hit the gas in park it does not make the sound at all. The sound seems to vary not with vehicle speed but with how hard I am hitting the accelerator. (IE. It gets more noticeable the more gas I give.) The clicking/ticking also seems to get faster with the more gas I give, but not by much. The …, The sound is present only when moving. If I hit the gas in park it does not make the sound at all. The sound seems to vary not with vehicle speed but with how hard I am hitting the accelerator. (IE. It gets more noticeable the more gas I give.) The clicking/ticking also seems to get faster with the more gas I give, but not by much. The volume ..., I’ve been experiencing this clicking noise since February. I have a 22 Refresh RST 4WD that is still experiencing a clicking noise whenever you are backing into a driveway. Changing gears from P to D, D to R, R to D and then accelerating. At times, you hear it when you are driving and coming to a stop. Then again when accelerating after ..., G. GWB1120 Discussion starter. 1 post · Joined 2019. #1 · Jun 7, 2019. I have a 2018 Sierra 5.3 with 2300 miles on it. I just noticed a ticking sound that is coming from the front driver side of the engine. The ticking speed increase with engine RPM. Does anyone have any idea what the sound could be coming from?, Get ratings and reviews for the top 11 pest companies in Sierra Madre, CA. Helping you find the best pest companies for the job. Expert Advice On Improving Your Home All Projects F..., Motor mounts don't create a rhythmic knocking or ticking sound. And yes, rod knock is usually always audible and happens at the same frequency as crankshaft rotation, making it easy to distinguish from either lifter knock or an exhaust leak. Given that it's happening primarily under acceleration, I would wager exhaust leak., It is imperative to take quick action; else you risk blocking your engine. 6. Air Leakage From Pumps or Pipes. Another reason why you might hear a loud whine when accelerating your GMC Yukon could be air leaking from the air supply system. The leakages happen when one of the junctions or air hoses has holes. 7., Exhaust rattle noise. 2017 GMC Sierra. First start truck rattle noise underneath truck, sounds like it is possibly coming from exhaust. Only last about 30 seconds then fades away completely. If you quickly place the truck in drive or reverse in that 30 seconds, the rattle disappears, but as soon as you put in back in park or neutral the …, Sep 19, 2023 · When you have a low level of oil in your engine, this will cause the components of the valvetrain to cause ticking sounds because the components are not being lubricated enough. The reason for low engine oil could be due to a leak somewhere. Perhaps you have damaged or worn out gaskets or seals. Either way, you will know if you have low engine ... , 2014-2018 GMC Sierra 1500, Denali Models 2019 GMC Sierra 1500 (New Model) 2020 GMC Sierra 1500 2019-2020 GMC Sierra 2500/3500 2019 GMC Sierra 1500 Limited ... in a subtle ticking noise that is apparent when the vehicle is idling. The sound is more evident when outside around the vehicle, when the hood is open or ..., 85 posts · Joined 2008. #1 · Jan 12, 2012 (Edited) My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. This noise had started earlier but now it's more often, I don't think it is the Turbo. My gas mileage has also dropped about 2 ..., A couple of members have asked about ticking or clicking noise from the direct injection engines. It's normal operation, here the document: This bulletin is being revised to add the 2009 model year to the Cadillac models and include additional truck models. Please discard Corporate Bulletin Number 07-06-04-025 (Section 06 -- …, A faulty MAF sensor can cause all kinds of driveability issues: hesitation during acceleration. lack of power. misfires. surges. The most common problem withthe MAF sensor is dirt trapped inside the sensor, usually around the hot wire. Often, using a MAF sensor cleaner will help restore proper operation., When accelerating there's a ticking/clicking noise (similar to a card on the spokes of a bike; like what children do) Check Engine light: 'Bank 2 system too lean' ... The clicking type sound would indicative of valve train noise, usually called valve tapping. A valve adjustment usually fixes that, which is done with feeler guages., Replace your oil only AFTER you do the treatment, as the crud can get in your oil too! 2006 Chevrolet Silverado 1500HD 4x4. Metallic Silver, Duraline Bed liner, MT Tires. 6.0ltr V8, 4L80E Trans, Borla dual 2&3/4 Exhaust with X pipe, Spectre CAI, JBA Wires, NGK Laser Plugs, Backup Battery, HO Alternator, and more to come!