Celica :: 7A-FE Engine - Noise Coming From Valvetrain Area?
Sep 18, 2013
I just got done rebuilding my 7A-FE engine and I noticed that at idle its somewhat noisy from the engine bay. With the hood popped it sounds like its coming from the valvetrain area, like around the valve cover/intake manifold noise. I'll have to get a video up of it. It's not a grinding noise or anything like that, it just sounds like the valvetrain itself is just noisy.
Are these engines just chatty like that? I know I've heard of the 1zz being somewhat noisy.
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I recently noticed some kind of a faint buzzing noise coming from the engine area. basically when the radio is off I can hear some kind of a buzzing noise under medium load, it sound like a loose heat shield or something. I took it to a dealer this morning, did a test drive with the tech who also heard the noise, got a call later on telling me that the noise is normal and is present on the other Tiguans as well.
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So aside from many different fluid leaks, and the sound of rattling coming from my engine which I have been told is my gas pinging. I am hearing what I can only describe as the sound of a small explosion coming from under the hood. Its not as loud as a backfire, but it definitely sounds like something is combusting where it shouldn't be. its a '93 XLT V6. What could it be? how screwed am I?
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Its coming from the Belt area on the engine, only at start/idle goes away completely after 10 mins. I spayed oil on all the pulleys but its still there.
[URL] ....
What did it turn out to be? Safe to drive ?
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Today was the first time I was in my RX without the radio since I bought it. I have a 2011 RX CPO with 65000kms on the odometer.
When the vehicle is idling there is a tick-tick noise coming from the engine area that does not go away. I initially thought this noise was due to it being 0 Degree C but the noise continued for the duration of my 45 minute drive. Later in the day the noise was consistent was did not silence.
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O2 PASSAT 1.8t had crankcase vent recall performed now there is a hissing noise coming from that area that reacts with engine speed. Also I notice that hose that plugs into the intake manifold, from the new gizmo they installed ,COLLAPSES when the engine starts?
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It's a 2006 hyundai sonata LX.
Now Is it anything I should worry about? Car has 72000 on it. Always used synthetic Mobil 1 5w 30.
This is on a completely cold start up, 30 degrees outside. Only makes the noise until car warms up. Anything I can do to prevent this? Or is it not something to worry about? Should I just let the car warm up a little before I drive it?
[URL]...............................
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I've got a '99 Teg LS auto trans with 67k miles. When I start it cold, there is some valvetrain clatter that quiets out after a few minutes. I'm thinking this is due to some sticking valve lifters but I don't know this engine very well.
Does the 18b engine have hydraulic lifters?
I've also seen on other forums that the noise could be due to a worn distributor bearing, but with this low miles I find it hard to believe. Or it could be both.
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2008 Volkswagen Passat 2.0T... I am trying to figure out whats going on with my car for a few weeks now. I have a few things going on and I am not if they are related.
First off I am hearing a odd noise now and then from my engine area. Its so hard to explain, but its kind of like when a plastic bag gets stuck to your car, a fluttery higher pitched noise (and it lasts only a few seconds). It happens now on heavy acceleration (almost always), normal acceleration and even sometimes at start up. Its mostly random and started awhile back but I use to only hear the sound every couple weeks. Now its daily.
Related or not I also have noticed this really bad lag with heavier acceleration, after lagging it then down shifts VERY hard before taking off.
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2002 Chevy Tahoe Z71 ... When I first turn my car on in the morning (or after an extended period of time - i.e. the car has completely cooled down) it makes a clicking / ticking noise that appears to be coming from the engine area. It lasts approximately 10 - 12 seconds and then simply goes away. This happens consistently. I recently had it serviced end-to-end: belts, plugs, total tune-up etc.
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I'm working on an 05 with a 5.4. I got it with a bad valvetrain noise on the PS, which ended up being a bad cam, and one bad rocker. I changed the bad rocker and any others that showed any wear, the cam, and all 12 lifters on that head.
The truck starts, idles, runs, and drives fine; identical to my own 05. But if I get on it, it has a dead spot around 3-4k rpm, then picks right up again. After a while, I get the p0012 (Variable camshaft timing over-retarded bank 1). After I get it pissed off, the idle gets rough as well and bogs down.
Now I know the cam went it correctly. I used the wedge tool so the phaser never left the timing chain. I marked the chain as well just to be safe, and the phaser only goes on the cam in one position. Also, it idles too nicely, and runs fine under normal acceleration.
Tonight I swapped the VCT solenoids from one side to the other. It took a lot longer to get the code, but finally came up as a freeze frame dtc, and on Bank 1 again, so it's not the solenoid.
So in my mind, all I can think is that the timing chain jumped (which I don't think is likely due to the good running under normal conditions), or the phaser is bad/sticking on Bank 1. I popped off the oil fill tube and the phaser looks fine physically, so I don't think I banged into it somewhere along the line. I also manually excited the Bank 1 solenoid by grounding the purple wire, and it gives my the same rough idle which I get after the p0012.
It looks like the phaser to me. Another mistake I made was not scanning the truck when I first got it. It came right from a repair shop which diagnosed the camshaft, but I would have at least known if they cleared any codes from it.
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I am looking for a 2000-2004 Celica for my son and have noticed that all of the cars I have test driven have had an inordinate amount of noise coming from the rear of the car. It sounds like wheel bearing noise and increases in loudness as you increase speed. I did notice on 2 cars that one or both rear tires were worn such that they had feathered tread wear which might cause a knobby effect (like mud tires on a truck). The other cars had smooth tread wear but still made a roaring noise at-speed.
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I've had this strange knocking noise ever since may coming from my motor. I thought, it might go away if i push the car a little. But it's been 6 months, and the thing is still going hard. What I'm experiencing is kind of a knocking noise, something akin to marbles being shaken up in some kind of jar, and it is only at partial throttle. Starts at 2000 rpms and goes all the way until redline. What it could be? Engine sounds perfectly fine at idle, power is still there. MPG's are the same... I've also read a couple threads that indicate that it could be my intake manifold, I am really not that good with cars, shameful but i admit.
Btw while i was browsing found a repair manual on the net [URL] ....
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So I'm doing some work on my friends car he just bought, 1990 gts, rebuilt 5sfe, not sure how thoroughly it was rebuilt, there seems to be a metal grinding noise coming from somewhere in the belts, sounds almost like water pump, belt tensioner, ac clutch, or something along those lines. I don't know much about these motors, anything commonly go out on these?
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This morning whilst backing out of my driveway and starting to drive down the street, I noticed the rather loud noise coming from the hatch area. Kind of like someone was crinkling some cellophane loudly.
The sound continued the entire commute to work (6.5 mi). The sound would stop only when I was stopped.
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Tonight I went out to get something out of my car, I had not driven the car in about 5 hrs. As I opened the back driver side door, I noticed a noise coming from the wheel well area. It was a quiet noise almost like a very quiet motor running, but it was very prevalent. I went to the passenger side back wheel and could hear it there also. I've never heard anything like this. Opened the trunk and listened for the noise but could not hear it there. After a few mins, I started the car and let it run, then shut it off and the noise disappeared. Only thing I could think of was a fuel pump malfunction?? I honestly don't know.
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2001.5 Passat 1.8t auto 98k.
It sounds as though I have a relay in the relay panel behind the headlight switch clicking on and off while I am driving. I searched the archives a bit and through my own reasoning, I figured it is not related to the hazard switch or turn signal stock ( I could be wrong though).
Description: It only clicks while I have my foot on the accelerator and the car is in motion, never other wise. It is not dependent on throttle location; it clicks the same way regardless of where the throttle is as long as it's being pressed. The clicking stops completely when the throttle is not being pressed.
Because of this, I am unable to locate the exact relay that is making the noise as it is impossible for me to open the door and look at the relay panel while driving. The clicking is some what erratic; It will click, pause for 2-4seconds click again then wait anywhere from 2 to 10 seconds and repeat. It's driving me nuts. Evap? Is this normal? Can it be stopped?
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I did replace one of this days the rear main seal in my r32, and reinstall the clutch like i normally do, and right after i start the car I notice this horrible noise, scare the hell of me cuz i thought i did not had oil in the car for a moment, but i did never drain it, so I ran to get my stetoscope and the noise is coming from the clutch flywheel area, so i did remove everything apart and reinstall it, resurface the flywheel got another clutch and pressure plate, and nothing the noise is still there, do this noise sound familiar to u?
Timing chains? engine is new, and when I mean new I mean only 175 miles, got it from the dealer.. Main bearings? Clutch? only 100 miles got it new about 3 months ago. I already check all the pulleys and none make any kind of noise, [URL] ....
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It's literally like under the car just before the rear tires in the middle area.
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I've taken my Camry in several times (service and warranty issues). One of the issues was a squeaking noise coming from the sunroof area. It was driving me crazy especially with the weather changing it was a lot more noticeable. I took it in and they said they fixed the problem by adding insulation to the roof. Well, the noise was still there. I took it again today and the Master Technician came out and wanted me to show him what I was talking about.
We went for a short ride around the dealer parking lot. He heard the noise and told me to drive to the detailing area. He then proceeded to get a paper towel with some cleaner and wiped the metal opening around the sunroof area and the black seal on the sunroof. He then got another paper towel and put some sort of lubricant and voila the squeaking noise is gone! I keep my car very clean and wipe down the sunroof area every time I wash my car. He said to go ahead and put some type of protectant (Meguiars) so it keeps the rubber moist.
I thought it was something serious with my sunroof turned out to be a very simple applying of protectant to a piece of rubber.
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I have a noise coming from what seems like the front windshield area. It sounds like when you have a balloon full of air and open a small hole and let it out. That loud squealing noise that it makes is basically exactly the same as the noise I am experiencing.
It happens when I'm going 70mph in high winds or over 80mph without high winds. And when it happens it's constant.
I talked to the dealership and they told me it's fine... mostly because it happens randomly and it's hard to replicate unless you go 90 it always happens but they obviously aren't going to test drive my car going 90mph to find the noise.
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