Engine Lifter Noise Questions:

Question #1:

Engine knock, what could it be?

The engine is a Chevy 350 5.7L. The locomote has fresh started knocking. It exclusive knocks when it is cold or has not hearty up. If I provide it gas and increase the rate it goes away while it is in the higher rpm range, but comes back. The belt increases in pace with the engine, but stops in the higher rpm range, same I said. When the locomote has warmed up, the knock goes away. I have had no performance issues, but I still don't like the sound. I've kept the engine maintained, has never been baritone on lubricator or baritone on anything. The sound is loudest nearby the lubricator pan, but can be heard from every over its that loud . I dont think it's a intense important or rod bearing, because that would make no sense, since the noise stops. I would think it's a bad pushrod? Lifters? Anything to do with the pistons? I do know a good taste most engines, would meet like to see if someone could support me out before I go and destruct anything. Any and all help will be greatly appreciated!
Robert M: I use castrol 30w. I did not know a bad air/fuel mixture could cause handgun knock like that. My engine does run rich, as I have a good taste of carbon in the wear and can odor gas coming from the engine from instance to time. Would a broad rise intake consume more fuel?

Question #2:

What are the symptoms of a bad fuel injector?

I posted this earlier, but I would like a pair more opinions.

I've asked about 500 questions on here lately most a sound good reaching from my engine. I was good certain it was a bad lifter, until yesterday I took the regulator counterbalance off and it was nearly spotless. Someone that was helping me impact on it said the ticking sounds same it's reaching from the fuel injector. It makes sense that it would be the render injector. Here are the symptoms:

Car idles roughly: Ticking noise reaching from engine ONLY during idle, vibrates seriously at times, and it sounds a little same a tractor recently.
There's a pretty strong gas smell at times.
My gas mileage seems to hit dropped.
There's a decorous amount of albescent respiration from the exhaust.
Not so much anymore, but when I used to start it, a ploom of albescent smoke would come from the exhaust.

The automobile is a 91 Toyota Corolla with 300k miles. I'm trying to ready it aware as long as doable for entertainments sake, and also as a way to see how to impact on cars. I'm not stipendiary people to do it, hence every the questions.

Extra notes: I undergo it's not the exhaust increase ticking, because I replaced it inferior then 6 months ago. I've checked to attain sure it's tight, and it's fine. I'm not completely ruling discover the lifter being the problem. And most the respiration thing, it's not coolant. I filled the coolant when I got the automobile 6 months ago, and haven't modify had to conceive most it since.

It's dynamical me crazy, and I want the ticking gone!

Question #3:

2004 Toyota Tacoma stuck lifter problems?

I have had this loud clicking noise coming from my engine and through research hit guessed it's a cragfast lifter. How crapper I un-stick this lifter? I don't undergo where it is in the engine, though i do believe it's under the cam thing.... Could it be a cragfast camshaft lifter??? Thank you.

Question #4:

VALVE COVER GASKET blown? OR "Normal Sound" from engine? HELP!?

OK So my 2002 Altima 2.5L engine started making a "tapping" good that could be heard from inside the car, coming from the engine bay...

The automobile has 126K miles and was bought at 100K and since then it never has had that thumping, tapping, clicking racket "tak tak tak tak tak" every 0.25 seconds. The noise isnt THAT LOUD...but if you listen intimately you crapper hear it and feel it a lowercase bit on the control wheel...

The engine ran so stilly that erst it warmed up, you couldnt center some racket from the inside of the car or some vibration...only from the outside, and that noise were the injectors inaugural and closing...

So...after I noticed that "tak tak tak" noise...I unsealed the hood...inspected the engine...and found 2 things:

1. Some lubricator "humidity" reaching from the edges of the regulator cover gasket...

2. Some coolant spilled kinda like white wood glue from the upper radiator hose...that fluid is still over the engine...even at normal temperature...

So...Could it be the regulator lifters that crapper be heard because the regulator counterbalance gasket is blown? I think its panting because there is oil "marks" coming from all its edges...

What would be some symptoms of a blown regulator cover gasket?

Note: the touch tap racket is more noticable when engine is cold...but yet, is NOT a LOUD LOUD noise....just a racket that the car didnt had before...

Question #5:

Engine ticking (1999 4.0l I-6)?

I have a 1999 Grand Iroquois with the 4.0l I-6 that has matured a distinct ticking noise from the engine. Its worse on a cold start up, but it never fully goes away, even after the engine is warm. The oil take is fine and has inferior than 3k on it. I suspect its a jock that isn't getting/staying pressurized. Any another ideas?

Question #6:

2006 Chevrolet Equinox "ticking" noise?

We have a 2006 Equinox that just yesterday started sound loudly. It is on the mitt side of the engine, if you hit the hood unstoppered hunting in. There is lubricator in it and we additional 2 quarts just to be safe. It started after dynamical for about an hour yesterday. The racket increases when you press on the enrich and lessens when 'coasting' rather maintaining a speed. A friend said 'lifter' which I hit no idea. The noise sounds like a bicycle with cards on the spokes. My terminal car had a spun direction and that is NOT the aforementioned noise. I am trying to intend input on this because I crapper either figure discover that I crapper have my economise essay and fix it or I have to take it somewhere. NAPA is 10 minutes from my house, and the moneyman we bought it from is 30 transactions away. I meet need whatever guidance! Thanks! Ask me any questions and I module try and answer them!

Question #7:

older chevy 350 with low to no oil pressure?

Okay guys, i hit searched through heaps of lubricator push forums on here and havent found my answer. so i hit a 350 that was meet rebuilt. i have baritone to no lubricator pressure unless its cold and it shows 20-25 psi. but when it warms up whatever it shows like 2 maybe hour pressure. i got a newborn judge and its not the gauge. also at higher rpms like before it shifts into 2nd theres a sorta blasting rattle. so i was wondering why i dont hit such pressure and if the rocker blazonry wernt alter properly if they could be loose? i did not recheck them after the newborn break. and maybe a obstructed restorative concealment cause low pressure?

everything is newborn in this engine likewise the crank,block and the actuall heads and stripling arms.
New valves, springs pushrods lifters,all bearings new lubricator pump,new racket geardrive , newborn lunati cam 284dur.458lift and newborn regulator springs 0.550 in. peak lift. installed at 1.750 in. and the pushrods are accepted length
im using 5w30 and additional and extra quart on 20w50 because i didnt think the HV oilpump was not getting enough oil because it was sucking so such and also thought the oil was tooo thin?

let me undergo if i missed something

Question #8:

BMW 740i Engine Rattle after oil change?

Hi guys,

After buying a 2001 BMW 740i M62 I decided to change the oil. I have replaced all the Ignition Coils, Air Filter, Oil and Oil Filter. I have put in Castrol 5W40 Magnatec full synthetic.
After I had everything finished I've started the car and whatever noise racket came up.
I am alive that the automobile has intense VANOS as I crapper center them sound when engine gets hearty but this rattling noise is new. It's ever there. Hot or cold. Car drives fine and no disagreement in performance. I am a taste confused as to how would a ultimate oic change drive this. Could it be the lifters?
I was gonna ad lucas oil device to get rid of the noise cause I can't afford to fix the issue at the moment.

Any help and instrument would be appreciated.

Alem

Question #9:

What cause click & tick sound on engine at 5000rpm under acceleration?

5500km old car
Honda Civic 1.8L
Redline at 6500rpm
Fuel utilised is 98 octane.
Only attain racket under acceleration. Sounds like pre-ignition but high movement and exclusive hap at that rpm. Happen randomly.
Idle normal. No clew of smoke. Normal render consumption
No misfire.
Start same normal. No good difference.
Some says it is Piston Ring one of the anulus .....although no sign, it can be digit of the ring. If it is genuine this one. How can mechanic analyse it? Broken spring strength yield no clew of smoke, no scratch on bore, no clew at all.
Some says it is wear which I doubt
Some says it is valve jock sound

Not sure what is it.....Help!!!!

Question #10:

2003 buick century ticking in engine **help**?

My sister has a 2003 buick century approx. 140k miles. The baritone oil light had been on forever amd finally Friday period the car died. She poured a gallon of lubricator into it and it started backwards up. Ever since there has been a blasting ticking racket in the engine and she says it smelled like something was burning. Our machanic brother suspects its the lifters.. my question is does this good right I'm trusty it prolly is and if so how manh lifters would she requirement to acquire and how long/difficult is it to change them?



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