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engines

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How to Replace a Vent Oil Separator
A car engine has a vent oil separator that fails when vapors clog the separator, smoke emits from the exhaust, or the Check Engine Light illuminates.
How to Troubleshoot a Car That is Hard to Start
"Car not starting" is a common complaint among car owners and is caused by faulty car batteries, spark plugs, car starter, or fuel pump.
How to Troubleshoot a Car Exhaust or Engine Noise
Car exhaust systems and car engines make whirring, clicking, or sputtering noises if there's a faulty belt, alternator, water pump, or tension pulley.
How to Troubleshoot a Small Engine Problem
Small car engines need attention if the car won't start, there's a loss of power, the car stalls or overheats, or if the car backfires.
How to Replace an Engine Mount
The engine mounts keep the motor in place. They need to be replaced if there is excessive vibration, impact noises under the hood, or engine movement.
How to Find Top Dead Center
There are many reasons why you might need to find an engine’s top dead center. Top dead center is the point when the piston of the number one cylinder in an...
How to Clean an Idle Air Control Valve
Maintenance of an idle air control valve includes cleaning it from time to time to ensure it lasts long. It keeps your car idle level at normal.
How to Prep an Engine Block for Paint
When you are rebuilding an engine, you’ll probably want to paint the engine block. It serves a few purposes including being clean and attractive in appearance, protecting from corrosion and rust,...
How to Get a Used Engine
The engine under the hood is the most important component of a vehicle. Without the engine, your car cannot run and is of little value to you. If you have been in...
How to Replace an Engine Oil Pump
The oil pump is the heart of the engine - it pumps vital lubricant and supplies pressure to every moving part. The pump is required to provide 3 to 6 gallons...
How to Install a Camshaft
Over the years, engines have evolved in so many ways. Most of the changes or improvements that have been done revolve around creating better performance and fuel economy, without making the engine...
How to Check the Choke on a Carbureted Engine
The choke is a plate in the carburetor that opens and closes to allow more or less air into the engine. Similar to the throttle, the choke plate rotates from a horizontal to...
How to Remove Cylinder Head Bolts
Removing the head is a major step in removing the cylinder head. These head bolts hold the cylinder head to the engine block. The head bolts are long bolts...
How to Ensure Fuel Injectors Are Receiving the Correct Voltage
Faulty fuel injectors affects fuel economy and can cause a misfire. Make sure your fuel injector receives enough power to work properly.
How to Do a Compression Test
A compression test diagnoses many engine problems. If a compression test is below the manufacturer's specifications, there's an internal engine issue.
How to Replace a Head Gasket
The cylinder head gasket is a seal located between the engine block and cylinder head assembly. An in-line engine design will have one cylinder head as the cylinders...
How to Rebuild a Car Engine
Whether it is to breathe new life into a commuter or work vehicle, or for hobby in a classic car, there are many cases in which rebuilding an...
How to Understand Compression and Power Systems in Small Engines
Being familiar with basic compression and power system functions of a four-stroke engine can help you diagnose and fix issues with your car.
How to Replace a Variable Valve Timing (VVT) Switch
An engine has a variable valve timing switch that fails when there is a reduction in engine power or the Check Engine Light illuminates.
How to Replace a Harmonic Balancer
Harmonic balancers fail when the engine is causing excessive vibrations and the timing marks are misaligned.

Related questions

Question
Engine won't run - 2012 Buick Lacrosse
Hi there. Having to use a breaker bar, to free the engine from being locked-up, does not sound promising. Removing the serpentine belt, would eliminate an accessory component (ie; seized alternator) that may be preventing the engine from turning over....
Question
Will it be okay if I switched my oil from synthetic to blended?
The effect on engine wear, efficiency of operation, and service life (i.e., engine service life) due to a switch to a blended synthetic oil from a full synthetic oil is probably not even "measurable". Full synthetics will be less subject...
Question
I got oil changed n they told me I had metal in oil n two major oil leaks I got the car sept 24 from jd by rider of Greenville bk
Hello. Metal shavings or pieces in the oil pan can be a serious sign of major mechanic failure on the horizon. Did you personally see the metal shavings? Do you trust that this was an honest diagnosis? If so then...
Question
Ticking and knocking sound and follows as the rpm's increase.
I would have to listen to the noise firsthand to know for certain. However, one guess is that the noise you're hearing is from the valvetrain. Valvetrain noise, such as worn lifters or misadjusted valve clearance, is generally characterized by...
Question
pulling the motor need to know where to put the chain to the motor
Hello, you are going to need to remove the intake manifold. This will give you access and a connecting point at the cylinder heads to install bolts with chain. You will need mobility with the tripod set-up to managed...
Question
Hey this is Erick. I replaced my timing chain or belt for my Nissan Maxima and it still makes a loud noise when I start the car up
Hello. A ticking from the engine can be caused by a few different things. If the chain was recently replaced, then it may be possible that the sound is not related to the chain, or perhaps to a component besides...
Question
Need to swap engine from 2002 eclipse into 2006 eclipse
The 2002 engine used Head Cast # G6 and Block Cast # 4G64. The 2006 used Head Cast # G69M and Block Cast # 4G69. There are other differences between the two years as well. The principal problem is your...
Question
Is there some sensors activated when shift to reverse that allows engine braking?
Hi there. When selecting reverse from drive on the shifter and the transmission is sticking, check the engine for any broken engine mounts. A broken engine mount will cause a delay in the shifting quality when put into reverse. If...
Question
When I accelerate, loud ticking noise at low rpm, car jerks and stutters. It goes away at higher rpms.
The misfiring could be ignition or fuel related. If the plugs have not been replaced, on the timetable set forth in the maintenance schedule, that is certainly one possibly. Also, the plug wires could be tested. Diagnostic Trouble codes that...
Question
Car Possibly stalling/missing
A key will be to download the codes that have set, which have caused the check engine light to illuminate. I would suggest a check engine light diagnostic and a certified Mechanic can use those codes to get to the...
Question
blown head gasket?
To answer your last question first, manufacturers of motor vehicles, that would include all of the army of engineers, scientists, and other high trained trained specialists, almost as a rule do not recommend the use of aftermarket "quick fixes", in...
Question
the car kind of stall when car excellerate
The issue you are writing in about is fairly commonly encountered. If you request a diagnostic for engine hesitation a certified mechanic will identify the underlying issue and that mechanic will also explain what has failed and the cost of...
Question
Engine clicking and shaking
Hello. The symptoms you describe can be caused by a few different things. A few possibilities are an exhaust leak, or some sort of engine performance issue, such as a misfire. If the noise appears to be coming from the...
Question
I have a bus that contain a Cummins engine and Allison transmission. The problem is that the vehicle does not exceed the speed 80 Km/h / 50 mph.
Hi there. Check the fuel filter and the fuel water separator for if they are old and need changed. Check the fuel water separator for a valve on the bottom and if there is a valve, if you can open...
Question
Motor on frame
If the "original" engine/transmission assembly was NOT interfering with the frame, and yet the replacement does, that means one of two things (or both) has occured: 1) the mounting bosses on the replacement block are in a different position than...
Question
Balance shaft, timing case cover and camshaft Bank 1a need replacing.
Without knowing all of the details, I'm going to guess that your problems go deeper than that. If you've decided that the timing cover needs replacing because of physical damage (did the chain come through?) then I'm supposing that the...
Question
Metal Shavings In Engine From Turbo
When it comes to metal shavings in the engine, you have to understand that those shavings will go everywhere. They will get between moving parts and cause further damage. They can get into the rings on the pistons and score...
Question
Car engine replacement
The 2002 and 2003 Camry and Solara, at least, used that engine. Inasmuch as engines are computer controlled, replacements have to be absolutely EXACT, otherwise the engine may not even start because the engine sensor interface with the existing PCM...
Question
Loss of compression on all 4 cylinders
There are quite a few issues that can cause a four cylinder engine to lose compression on all cylinders. Unfortunately, none of them are what would be considered inexpensive. There could be a problem with the timing chain, camshaft problem,...
Question
I got a motor for my truck not to long ago and the motor will turn over a little by hand but not all the way around what could it?
There are quite a few issues that will keep an engine from spinning around completely. Something falling into the intake and coming into contact with the top of the piston, a valve hanging open and not allowing the piston to...

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