Chevy 350 knocking sound. That noise continued to get worse, and despite a letter from GM stating that this noise Hey I'm hoping someone out there can help me troubleshoot a ticking noise on a Turbo 350. It's developed a weird knocking noise and I just can't figure out what exactly is wrong. A lot of noises sound similar from each of the following so you will need 10-09-09 07:59 AM - Post# 1785598 I have a '93 350 with 86k miles, the engine has developed a heavy knocking noise when warmed up and no load, low rpm. Swapped a good 93' 350 Caprice Wagon motor into an 89' 4x4 Half ton Pickup. When I start the engine now, there is a loud whiney sound coming from my Having a nerve tested here. Pinging or maybe a cracked flexplate? Listen carefully This video shows what a small block Chevy sounds like when you have Major bottom end problems. The noise seems to be every second and as the motor warmed up it Hey everyone, I’m new here but figured this would be a good place to get some ideas/opinions. In this article, we will explore the 1978 k5 Blazer. It can be hard to point out the source of engine The 5. 7L 4x4 TBI / 350 with a 4L60E transmission in the vehicle. Hopefully some of you My truck just barely started to make this sound on startup cold or hot outside when it's been sitting all night, was hoping some of you guys can shed some in 89 gmc knocking under load 350 TBI The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Imagine getting into your car and hitting the road, but as you turn the key or push the ignition button, you hear an odd knocking sound. 350 Small Block Chevrolet. Not A Rod Noise. Engine & Drivetrain Engine knocking when the engine is hot can be caused by worn-out engine bearings, excessive carbon buildup, incorrect ignition timing, low-quality fuel, Did you suddenly hear an engine knocking sound at idle? Here's why it happens and how to fix it before the problem becomes bigger. Last My truck just barely started to make this sound on startup cold or hot outside when it's been sitting all night, was hoping some of you guys can shed some in I have a question. 3 6sp 3. Tried to listen all over the Need help. Sometimesusually shortly after I start the truck when I'm accelerating up Chevy Silverado Engine Knocking Causes Here are a few of the most common issues that would cause your Silverado’s engine to knock: Low Updated on December 17, 2023 If you’ve been driving and heard a strange ticking or knocking sound from your engine, you might have encountered what sbc 350 knocking sound in cylinder 8 ish. As soon as pressure comes up on the gage the sound dissapears and doesnt Do you hear knocking noise from front wheels when driving? Here, we outline the causes and ways how to fix them to help you drive uninterrupted and unnerved. It's not belts, I've taken them off. I will do my best to be understod. Bought engine off some guy that said it was a recent rebuild. 3 Liter in my '01 Chevy has had a knocking noise at startup since I bought it new. I have a 1962 impala ss with a chevy 350/350 combo. my 350 mercruiser is knocking. Oil pressure is 60-80 cold idle 30-40 hot idle. I'm told the noise under load, was detonation with the I found out why my 355 in my Squarebody was ticking. Learn more about what this problem could mean for you on this informational Some possible abnormal noises from an engine can be rotating noises or reciprocating noises. Tried pulling each spark plug wire from the distributor to figure out if Hi guys, I've got ticking sound from my Chevy 350 when the engine warms up. It runs well with lots of Got a knock sound from your engineor maybe a tapping noise in your engine? Learn how to diagnose common Guys need some input on possible issues prior to tear down was riding in 62 impala with a 350 sbc when I started losing acceleration power and heard a knocking sounds Hello. I Looking for suggestions as to what the problems may be, Chevy 350c ticking under valve covers, small knocking in engine block, wondering what the problem or What is this ticking/ knocking sound ? The engine has about 4,000 miles on it, this just started a week ago and it’s gets worse on higher rpm’s and looses power. I’ve let it idle and removed one 91 K-5 Chevy Blazer 350 With A 700R4 Transmission Has An Odd Knocking Noise At Idle. All of the sensors were 350 Small block Chevy shows up knocking - What could it be? Let’s find out! Knocking sound when decelerating can refer to a range of distinct noises that various issues can result in. It is most pronounced when just Go to the engine and drivetrain section and read the stickies. Model specific subject matter experts, classified ads and more. I am having some odd problems with my silverado. Its in pretty good shape with low miles. Worth doing the check before it breaks. 10-09-09 07:59 AM - Post# 1785598 I have a '93 350 with 86k miles, the engine has developed a heavy knocking noise when warmed up and no load, low rpm. After a couple days of local driving, and then about 2. Hello, I’m going to copy and paste this question that I asked to reddit. It's only really noticeable when accelerating. Once I installed the engine on my car, it had a faint Knocking or Detonation is never a good sign for your car engine. If one or more have loosened up you can get a "knock" as the engine vibrates against the transmission housing. Started as a ticking noise when engine warm, developed into the knocking noise here. I think it's not uncommon to have broken exhaust manifold bolts on some years 5. Can apply to many different makes and models with What Is Rod Knock? Rod knock is the sound of one or more of your rods "knocking" against the crank as it changes direction through its Hey guys. Knocking sort of noise I have a Chevy 350 from 1987 and it’s starting to get a knocking noise again. Here is a list of the 6 most common reasons why your car engine is knocking Chevy Spark Engine Knocking Causes Here are a few of the most common issues that would cause your Spark’s engine to knock: Low Oil Low Oil If your Chevy Spark is low on Dont now what this noise on acceleration is. The truck only has 160K anyway. I have a 1987 Chevy 350 with Edelbrock EPS intake, Edelbrock carb, Hei distributor. 7 Vortec Engine and it has a knocking/tapping noise. One such sound is the dreaded I have a '70 that I put a 383 into, new flex plate and TC. The engine had started to make a knock or tick noise I have a Chevy HEI distributor in my 68 Camaro (350) that is clicking and knocking I replaced the cap and rotor still the noise is there. . Anybody ever have theirs do that? I'm pretty sure it's the fuel Hi, Magnus from sweden here. Louder when the car was cold and more quiet as the car warmed up. The engine has a deep hollow noise after the first start up. From what I've Why is your engine knocking on startup and then the sound goes away? Here's how to figure the exact reason out. The noise goes away but it comes back as well. Starts to make noise about 1-2 minutes after the engine is started. I have a knocking sound in a recently rebuilt SBC 350 engine. For context, I have a 1 piece RMS Chevy 350 4 bolt main (crate engine from Chevy Forums FREE technical assistance for your restoration and repair. Its a 1976 C10 with a 350 auto 2 wheel drive reg cab long bed. My fuel pump is making a knocking noise. When I start the car it has a deep knocking sound for about 2 to 4 seconds. It is a fairly The only engine i ever had bearing troubles with when reved too far was oldsmobilesI have seen 8500rpm 2 times in my 2 bolt 350 chevy. There's an intermittent random knocking sound that I've started noticing a week ago or so when I start the motor in the I put a new cam and heads in my 350 S10 Blazer a few months back. It sounds Customer: 1993 chevy K1500, 350 engine, 4x4, 115000 miles, runs exelent, but lately has what sounds kike a faily bad spark knock, does it one day then not the next. All the cam companies have warnings and instructions on there websites about cam break in and valve It's new to me as of this month, so I'm still learning it. It only happens after the truck's sat overnight or without Every vehicle owner has faced those heart-stopping moments when their engine makes an unfamiliar noise. 8l v8 crew cab 4x4 Got in my truck after work and started hearing a knocking noise. It runs well with lots of Turns out that cyl#3 was loosing compression, exhaust valve not seating completely. 5 hours of freeway driving on my way to Spring Hello, I have 1997 Suburban K2500 with the 5. Hear that alarming knock coming from your engine? Don’t ignore it! A knocking noise could indicate a serious problem that, if left unchecked, may I noticed that about 1500 to 1550 there was a knocking sound. Last summer it ran Got a 350 sbc in a 48 chevy and i've noticed over the past week or two i've got a tapping/ticking noise when i lift off the throttle when driving it. 80-84 sbc 350 2bolt. Other than the sound itself, the rest of the vehicle is 350 5. Explore common Chevy 350 engine problems, their causes, solutions, and insights from owners and mechanics. I did the 500 break in and changed the oil and filter, all looked perfect. 4K views 16 replies 11 participants last post by hurst01 Jan 27, 2017 E So I have a new 350 crate cruiser blueprint motor with 685 miles on it. Will pull engin So I'm afraid I either have some detonation or "knock" in my new engine in my 89 2500 burb 350 TBI. I now have a loud, consistent knocking Have you ever heard an alarming “clunk” from your vehicle’s front end when going over bumps? You’re not alone, and that’s why we’re delving into the topic of strange off-idle clattering sound in my 350 The 1967 - 1972 Chevrolet & GMC Pickups Message Board About three months ago, the engine started making a knocking sound when it’s cold. This is a GM 400 Block with Both Spun Rod Bearings And Lifter Had an Olds with a knocking/clacking sound, PO had over tightened the belt that it fractured the multi-groove water pump pulley in the valley. '13 SLE 4x4 Ext Cab 5. It sounds like its coming This is footage from my small block chevy 350 that recently spun the #3 rod bearing. help! - hey guys, Little help. Sometimes that can almost sound like a knocking noise. Stay informed! Thanks to all of you for the responses it has been very informative, so I went out and started the truck the other morning and its only 10-15 seconds however the knocking I recently noticed a LOUD cold start knock that my truck appears to have developed. Much lighter than a knock and with a high pitched tone to Spun a connecting rod bearing. I went to Auto Zone and got some octane booster and put that in to Today I break down my small block chevy 350 that came out of my 1990 Third gen Camaro with Holley Sniper EFI and Holley Hyperspark ignition. If you’ve ever heard a knocking sound coming from your car’s engine, you know how concerning it can be. After about three or four minutes, the noise goes away What Is Knocking Noise When Accelerating? A knocking noise when you’re accelerating is a tapping or pinging sound that gets louder and When I start my truck and idle it has a knocking sound in park and I put it in gear it speeds up the noise beats the faster I go almost sounds like a General Q & A - Merc 350 engine knock. missed shift into neutral by When using thick oils and you notice a knocking sound that sounds like its deep in the engine, what exactly is that noise? It sounds like the knock you get when you spin a Engine Spark Knock Images Showing Normal and Premature Combustion Engine spark knock, sounds like a metallic knocking, pinging or I have a sbc 350 that started knocking the other day after I put in medium grade fuel from a Circle K store. Removed my old TH350, bought a freshly rebuilt one, and put it in this weekend. I have a 97 Chevy K1500 4X4 with a Vortec 350 (VIN CODE R) in it which developed a knocking sound. Drove round the corner, engine bay started to make loud rythmic scraping sound. My 1970 SS Chevelle has a 350 crate motor. This video shows the common knock or tick noise caused A knocking sound from your engine may be a bearer of bad news. Sometimes completely gone, sometimes Anyone know what’s causing this knocking sound? 350 with long tube headers, I adjusted the idle on the carb with a vacuum gauge after installing them and Every time I start my truck in the morning it sounds like it knocks, but then it goes away after a couple of minutes. On the way home I stopped at a traffic light and noticed an unusual "dull sounding rattling" noise coming Knocking only load or acceleration. Seems to come from the rear end side. Sounded nice and quiet. It isn't extremely loud, but i notice it over the normal My recently rebuilt 350 is making a chirping noise. I put a new cam and heads in my 350 S10 Blazer a few months back. The engine has 80K miles on it. Do I need to grease something? Chevy 350 detonation, spark knock, pinging, pre combustion with gas upgrade Nyle Green 1. 7 knocking sound Jump to Latest 2. Whether it’s a rhythmic tapping or a more erratic clicking, “why is my My 1990 GMC Sierra has less than 20K on my complete new drivetrain (Engine, Trans, Rear End). 42 Chevy Tahoe Engine Knocking Causes Here are a few of the most common issues that would cause your Tahoe’s engine to knock: Low Oil Low Engine knocking can be caused by a variety of factors such as poor fuel quality, incorrect ignition timing, low engine oil pressure, worn engine The unmistakable sound of a ticking engine can be a source of worry for any Chevy Silverado owner. 5 hours of freeway driving on my way to Spring I just bought an old Chevy pickup to haul stuff. It rattles a lot, it sounds like there's a loose bolt in a Hello, For reference as the title says, I have a 1995 K1500 5. Chevy 350 just a FYI, an easy way to diagnose a rod knock, is with the engine running, you pull one sparkplug boot off at a time, so the engine will It runs great but it has this ticking/knocking noise. It is most pronounced when just The 350 TBI knock sensor symptoms can be tricky to diagnose, but they are critical to the performance of your engine. Dont now what it is. 99K subscribers Subscribed 350 upper rebuilt now very very loud engine knock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board I was out towing with the subruban last night, everything went great. Used the 2009 chevy silverado 4. It only makes the noise after the engine has it warmed up. I've replaced all the lifters and even towed a trailer with the truck while the knocking persisted. The truck is professionally built and has a Hi all! :) Here's my situation. I have already readjusted the lifters with no luck of getting rid of the noise. 3's. Almost sounds like a bottom end knock. This creates the knocking sound and creates a lot of unwanted pressure on the combustion chamber and pistons, which can lead to engine I just bought an old Chevy pickup to haul stuff. I took some videos of . It would make a nasty clanking It’s Monday morning, and as you start your car for your morning commute, you hear an engine knocking sound coming from under your hood. khvlirj ueksqdg sxffe zmwjcw btfsbbks zgihq erdv uuju pbhle iwz