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Excessive engine noise - 1996 Ford Escort 4 Door

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Did u change the engine oil? if no try doing it and check it once again

Posted on Feb 13, 2010

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Posted on Jan 02, 2017

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2011 acadia when taking foot off the gas pedal there is a knocking noise


The front motor mount and the upper engine strut mount both commonly fail. Start engine and have someone rev engine and let off while you look to see if either mount is moving excessively. The noise you are describing it is likely either or both the mounts.

Sep 18, 2014 | 2011 GMC Acadia

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Makes knocking noise that sound like something is loos banging only when jeep warms up and only in gear


TROUBLESHOOTING ENGINE NOISES
A KNOCKING SOUND IN THE ENGINE IS MOST LIKELY CAUSED BY ONE OF THE FOLLOWING
1. PISTON SLAP: Makes a sharp metallic noise. Idle engine and short out each cylinder plug. The noise will disappear when plug with bad piston is shorted. Noise will also disappear at acceleration. This can be caused by worn or out of round cylinder, or broken piston ring. Correct problem by re-boring cylinder and/or replacing piston.
2. VALVE NOISE: Makes clicking or rattle noise. Caused by excessive wear on valve stem or lifter, out of adjustment, or stuck valve. Correct by adjusting valve clearance, replace worn valve or lifter, regrind cam, replace valve guide and /or valve. A stuck valve can sometimes be loosened by passing oil through the carburetor while engine is running.

3. ROD BEARING KNOCK: Makes sharp metallic noise similar to a piston slap. Detection is opposite of piston slap. Rod knock is not heard at idle. Knock becomes louder as engine speed is increased. Caused by excessive rod bearing clearance. Correct by adjusting rod bearing clearance to .0015 inches by removing shims. May require re-pouring rod bearing.
4. REAR MAIN BEARING KNOCK: Makes dull knocking or thud noise. Detected at speeds between 20 and 50 MPH. Knock will normally decrease or disappear while pulling or decelerating. Noise will be detected the loudest at normal driving speed, when not pulling or decelerating. Correct by adjusting bearing clearance to .001 to .0015 inches. If knock is excessive, crank should be checked for out of roundness. May need to re-pour all main bearings to correct.
5. TIMING GEAR KNOCK: usually the most difficult to diagnose. If gear is loose or badly worn it will knock in all ranges. Run engine slightly above idle speed. Slowly open and close throttle. Knock will continue to be present, but just as engine slows down knock will become a slight rattle. Remove timing pin and reinsert into timing hole on timing gear cover. Press timing pin tightly against timing gear and accelerate slightly above idle. Knock will significantly be reduced or disappear. Correct by replacing both timing gear and crank gear as a matched set. The two gears should have a backlash clearance of .003 to .004. If more than .009 inch backlash, an oversize (.005) timing gear should be installed.
6. WRIST PIN SLAP: This can not be detected by shorting out the cylinder plugs. Rapidly accelerate and decelerate the engine speed. The engine will pass through a certain speed range when the wrist pin will rattle at about the same pitch as a valve tappet noise. This can be corrected by installing a new wrist pin bushing in the rod or new wrist pin f badly worn. Wrist pin should fit the piston and connecting rod with a tight metal to metal fit. The pin can be pushed into the piston and rod with a slight pressure of the hand. Pin to rod clearance is .0003 to .0005 inches.

Dec 07, 2013 | Jeep Cars & Trucks

1 Answer

Excessive noise from camshaft after head reconditioning and correct adjustment both standard setting and allowing for head being shaved - to no effect on a daihatsu charade 1991 G100


if its upper noise eg folowers and lifters if they are hydrolic lifters where these replaced are the cams ok if they are manually ajustable tappets these can be ajusted unless the following are goosed again the cams are pitted or mishapen will need new cam shaft the lifter rods are worn or week valve springs
but if they are hydrolic will have to be replaced inc cam shaft hope this makes sence ivan

Oct 01, 2012 | 1990 Daihatsu Charade

1 Answer

I have a 1999 ford contour 2.5 v6 high idle excessive noise from iac and goes away on accel


I have teh same vehicle/engine and had the same problem. I replaced the IAC and have not heard the noise since.

Jan 29, 2012 | Ford Contour Cars & Trucks

1 Answer

Transmission makes a wining noise before, during and after shift


AOD transmissions are known for the P.R. valve causeing buzzing, whinning noise etc. Lift the truck up try to hear the noise first. Drop the pan check for excessive metal shavings. Fords are also bad about engine noise. Vacuum noises, fan clutches, etc...

Nov 22, 2010 | 1988 Ford F 150

3 Answers

4.3 vortec engine , engine noise, knocking or tapping on top of engine, not when cold , but starts noise when it heats up, and gets louder as it gets hotter and hotter!!! Sounds like noise is in the center...


The knocking or ticking is going to determine if it is in the top end, lifters, push-rod or rocker arm issue or the bottom end that would include pistons or bearings.
If it is a ticking noise, it will more than likely be a valve train issue.
If a knocking noise, piston or crankshaft related problem.

Attached is a web site that you can listen to a piston slap which is a known issue for your 4.3.
Listen to the noise and see if it sounds similar to your problem. A piston slap will generally sound as though it is coming from the central area of the engine.
Listen to the recording and let me know.
Regards,

Apr 19, 2009 | 1996 GMC Jimmy

1 Answer

Noise engine


This sounds like bad main and connecting rod bearing they are worn and when they become worn they make noise. Because of excessive clearance between bearing oil pressure drops therefore starving the essential parts of the engine of oil. Engine needs to be rebuilt or replaced. God Luck

Dec 12, 2008 | 1998 Chevrolet K1500

1 Answer

Noise


I don't want to be the bearer of bad news but the engine has a bad rod bearing. This would create the noise you're hearing and because of the fact that there's excessive clearances at the crank, this makes it a little hard to start now.

Jun 22, 2008 | 1985 Ford Bronco

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