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My 4g15 dohc engine making a knocking noise it sounds like it's coming from inside the engine head

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Engine knocking on a 1995 mitsubishi montero

I use 6 to 6.5 litres in my 2800 (non-turbo) engine. Six litres is safe.

The loud noise: Careful please. I have had a big-end (the bottom of a connecting rod) come off while driving - Of course you loose one cyllinder's power and the noise is very bad. Also damages the crank shaft. If the noise does not go away by adjusting the oil level, have the engine checked immediately.

Posted on Dec 28, 2008

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SOURCE: Engine make Knocking noise when cold

I could be one of 3 things, #1 lifter might loose prime when it sets for a while like overnight, #2 could be rocker a little loose witch is part of lifter that runs on a pushrod, and #3 could be a ristpin witch holds piston to connecting rod a little worn. None of thies are a real big thing unless they get louder or longer in duration. I don't know what kind of miles are on it but what you describe is usely associated with high millage. Just keep your ears open.

Posted on Feb 06, 2009

  • 2 Answers

SOURCE: 04 Endeavor rattling noise

I had the same problem! I crawled underneath the car and discovered that a heat shield on the exhaust header pipe was corroded and rattling against the exhaust pipe. (Before the muffler)
I removed the portion and clamps and solved the problem. Give it a try.

Posted on Jul 21, 2008

  • 1 Answer

SOURCE: 04 Endeavor rattling noise

problem solved.

Posted on Dec 27, 2008

suterman
  • 158 Answers

SOURCE: I HAVE 02 TRAILBLAZER LTZ, AND IT JUST STARTED

Hello, I see you have a trailblaber with a knocking noise. It sounds like you have an electric fan clutch issue. Believe it or not your vehicle has an electric fan clutch. It looks just like the older non-electric but if you look on the driver side of the fan shroud that is the wire connector you see. It is an exspensive part just for the clutch but thats exactly what you are describing. It doesn't get louder just fast with rpms. Please rate my answer, Thank you

Posted on Mar 06, 2009

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1 Answer

I have a 1996 Ford Falcon XR6 4 litre inline 6. The motor started missing at low rpm and suddenly the was a sharp mechanical knocking sound and the motor cut out. When I try to restart it it battles and...


inline 6
xr6 is this a turbo"?
is car stock (original)?
the first is compression tests, at wide open throttle.
exact engine by whom not sure, but is this interference engine?>
chain, drive cams.
noise is never good, find it.
is this SOHC or DOHC, or tell exact motor name,
lets see if wiki does these cars.... its poor, cant even find real ford names for it.
for the BA-BF & FG XR6Turbo, ?

if this is a DOHC engine, say so first. as we never crank them
after noise, ever. we do a leak down tests. BY HAND.
if that fails , the valves are bent, and do not crank engine ever
until the bends are gone; "learn how to respect DOHC engines"

Jan 10, 2015 | Ford Cars & Trucks

1 Answer

What problem could I Be having on my 2001 Toyota Ipsum 2AZE engine, I Just woke up to find a knocking sound on top of the cylider head with smoke that clears as the engine warms up, the sound equally


2az-fe right?
no mileage stated,, is he cam chain making noise, ignored?
get it serviced?
or buy the tools and do the tests DIY.
which choice? only 2.
  • 2000 - 2.4 L (2362 cc) 2AZ
smoke is a bad sign, on low mileage engines say below 250,000 miles and with noise worst. there must be no noise, on this engine.
no HLA's to rattle there. has solid bucket tappets.
then mean they never make noise unless, its damaged or lacking oil.
are you doing silly SYN oil changes it 25,000 miles or at 5 to 7k miles.?
id do a cylinder leak down test. by hand to protect engine from
further damage, (I do that on all DOHC engines (savvy i am)

Dec 26, 2014 | Toyota Cars & Trucks

1 Answer

Mark II Grande cylinder head noise


Sounds like a bad rod bearing, no cure except a rebuild. I assume you do know the difference between spark knock and bearing knock.

Mar 21, 2017 | Cars & Trucks

1 Answer

Knock while driving off on cold engine


There are many possibilities that can cause car to make noise.

It's actually from where the noise is coming from. Front end or rear end. From engine area or from inside the steering or from brakes.


There is N-number of possibilities for the car to make knocking noise or any other kind of noise.


---------

For step by step troubleshooting this problem, I suggest you to refer the help links mentioned below. Its a complete solution with proper explanation to identify the cause of problem: ------


Click the link below: -----




CAR NOISE ISSUES
http://alltypesofpartsreplacing.blogspot.com/2012/11/car-noisesnoisy-cargrinding.html


=------------

These will help.

Thanks.

Dec 07, 2012 | 2008 GMC Sierra Denali

1 Answer

Lifters are knocking and there is a missing in


lifters tick and noise is upper end of engine if lifters are making noise could be from a bad valve,bad lifter ,push rod ,oil pressure,rocker arm - need to take do compression test find out if valve problem and which cylinder is problem also take off valve cover and check for proper oiling of valve head and look to see if and are damaged or loose-------a knocking sound usually comes from lower end of engine,rod knock etc.and thats usually rebuild of engine

Nov 22, 2009 | 1994 Isuzu Trooper

1 Answer

97 SL2 dohc loud knocking sound coming from engine. sounds like somebody beating inside of valve cover with a hammer. compression checks ok. oil level is good. no obvious problems with cams or lfters that...


you have a ROD knock,,,,the oil level can be good and compression can be good,but the bearing on the rod to crank is shot and now has too much play and is causing excessive play and noise,soon the rod will come out the block and seize the engine,,if its knocking that loud then its too late to fix it,,your gonna have to replace the engine really soon,,,sorry but its normal of the dohc engine to do this usually between 90 to 130k miles they let loose but the single cam dont have this issue

Oct 24, 2009 | 1997 Saturn SL

3 Answers

Loud knocking in my engine?????


It sound like you dropped valve seat on the head. Did you recently over heat your engine .

May 12, 2009 | 1998 Plymouth Breeze

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