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The knock sensor plays a crucial role in the overall performance and health of an engine. It detects any knocking or pinging sounds that may occur within the engine, which are ofte...Is the front end of your vehicle clunking or knocking? In this video I insert audio & video clips of the clunking noise and what fixed it for the customer. I...Mar 26, 2014 · The 3.8 had a recall to replace the fasteners on the intake because they were the incorrect design which caused gasket failure resulting in the loss of coolant. The 3.8 recall was in 2004, covering Impala's, and several other GM brands which had the naturally asperated 3.8 V-6 engine. ". Sound propagates very well thru the plastic in the HVAC system, so it can be difficult pinpointing the position. You might try turning the key to ON, and turning the heat on, and then play with the controls (vent selector, hot/cold knobs, and recirc button) and see if you can affect the clicking. That may help you pinpoint the culprit. Doug.Set your temp to cold. Use the 5.5mm socket and a nut driver to remove the top and bottom screws from the broken actuator on the passenger and driver sides. After that, take it out of the blend door shaft. Disconnect the negative battery cables. Replace the original actuator with the new one.Acceleration Knock/Clunk. I own a 2008 impala LS Flex Fuel 3.5 v6 engine.. It has about 94k miles and well taken care of as far as oil changes and not putting cheap gas (83) and all fluids are up to date. I was coming from work one night and I was under a red light: Soon as it turned green..1) Lean Air-to-Fuel Mixture. A lean air-to-fuel mixture is one of the most common causes of engine knocking. In order for your engine to run smoothly, it requires a precise balance of air and fuel in the combustion chamber. When there’s too much air and not enough fuel, the mixture is considered “lean.”. A lean mixture can cause the fuel ... Knocking Noise in 2012 Chevy Impala 2 Answers. There is a knocking noise that started a few days ago. After looking up the problem, I found that it is the actuator for the air, and it is an extremely common issue with Impala's. By feeling the tw... I accidentally filled up with 87 about a year or so ago (tuned for 93) and it ran like crap and pinged like crazy. I don't think it is only because the first owner was an older man. (80's)but not 100% sure. The car is totally stock. 1996 Chevy Impala SS " B ig B lack B eautiful". Born 10/08/1996 SS#34,758*. Daily driver 155,000mi.#1 · May 16, 2022. I have this loud kicking noise under the car. Only happens during acceleration above 2000rpms. It's not the motor I rev that up well over that during park and it idles smooth. The transmission fluid is dirty and icky and the p0717 speed sensor code is on. Replaced the sensor and the code came back still.When the air-fuel mixture detonates too early, it can cause a knocking sound. This is because the pressure waves from the premature combustion collide with each other and create noise. Engine knocking can also be caused by deposits on the piston or valves. When these deposits ignite, they can cause knocking as well.2004 CHEVROLET IMPALA. Noises problem. 2004 Chevy Impala 6 cyl Front Wheel Drive Automatic 50k miles. there is a knocking noise when I turn, brake, and, accelerate while I'm turning and is making a squilling noise when I push the brakes and my dealer cant see to find the problem. SPONSORED LINKS.Knock Sensor Help Please. I have a 1995 Impala SS. I just finished replacing my Optispark and water pump. I also replaced the Opti seal and wp drive seal. The car is sitting in the driveway half dry (no coolant) as Im waiting 24 hours for all RTV to dry (says 24 hours). Anyways, My questions are.I have a 2004 Impala SS Indianapolis Edition. It's all stock with the exception of some visual modifications. For the past couple of months, I have been hearing what seems to be a knocking sound from the rear end. I only hear this sound when the car is parked and idling.Another note in the underwater soundscape. Some underwater snapping sounds are obvious—the jaws of a shark, the movements of a pistol shrimp, maybe even a parrotfish having a snack...Loud clicking noise after using key fob. 2011 Impala has loud clicking noise that can be heard outside the car, very plainly. It starts right after using the key fob to lock or unlock the doors and lasts for about 30-40 seconds. It just started doing this a day ago. the car has about 125,100 miles on it. does anyone have any idea what's causing ...A cold start knock in an LT (if it is a knock) is usually a bearing going south and not piston slap. 1995 Caprice ERE 383, CIA long tubes, Dynomax VT's, RAISS, Kore3/Z06 brakes, 3.42 posi, Boss 338 20's, 12 way …The tick noise may last from two seconds to ten minutes. Cause. This condition may be caused by any of the following: - Aerated oil in the valve lifter body, resulting in the valve lifter being unable to purge the air quickly. - A low engine oil level or incorrect oil viscosity. - Dirty or contaminated oil.Don't click here if you don't want to subscribe: https://shorturl.at/dhD35Visit our website for detailed car repairs tips: https://autovfix.com Causes of Cl...How to quickly stop that clicking noise behind the dash in your Chevy Impala. 2006 to 2013. Blend Door actuator replacement.

A cold start knock in an LT (if it is a knock) is usually a bearing going south and not piston slap. 1995 Caprice ERE 383, CIA long tubes, Dynomax VT's, RAISS, Kore3/Z06 brakes, 3.42 posi, Boss 338 20's, 12 way seats, Impala SS console, etc etc etc. Like.Sep 13, 2016 · 2014-2016 Chevrolet Impala Limited Rattle from the rear of the vehicle while driving at low speeds over small to medium sized bumps. The noise may sound like a loose spare tire or suspension component. The source of the noise is likely to be the left and right retaining clips holding the midsections of the parking brake cables to the car. However, there are a few that need premium fuel, and inadvertently filling these vehicles with regular gas can cause this kind of engine knock. 1. Bad Knock Sensor. Ironically, engine knock can be caused by a knock sensor, which is designed to help combat knock! If the knock sensor detects engine knock, it can tell the car's computer to adjust ... It is definitely in the dash on the passenger side. It takes about 3 minutes for the knocking to stop. I hope it is not the air bag. The 2008 Chevrolet Impala has 5 problems reported for knocking ... It describes three noises: squeaking from brake pad wear indicators; a clicking in the front end combined with a shaking steering wheel; and a metallic, knocking noise that happens in the front end while turning. This article is accurate …

#1 · Mar 25, 2019. I have an 06 ltz with a 3.9 and on occasion when I’m at a stop light or stop sign I can hear something knocking coming from the back. It almost sounds like somebody is back there tapping the car with a wrench. The noise is not easy to replicate and does it randomly.Mar 22, 2017 · 2009ImpalaThinBlueLine Discussion starter. 2 posts · Joined 2017. #1 · Mar 22, 2017. I have a 2009 Impala LT, 3.5L MFI FF, and I have a terrible knocking coming from my rear end. It sounds suspension related, but I have replaced my rear strut assemblies, sway bar links, and sway bar bushings in order to try and fix the noise, but nothing worked. …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Knocking or clunking noises suggest worn suspension com. Possible cause: Just purchased a 2015 Impala Limited LTZ with a 3.6 engine 37,000 miles. When acce.