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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 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 Determine Compression Ratio
Whether you’re building a new engine and you need the metric, or you’re curious to know how efficient your car uses fuel, you have to be able to calculate the...
How to Clean an Engine
As cars get older, they tend to accumulate quite a bit of dirt and grime from those miles spent on roads and freeways. It does not help either that...
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
Car won't start I can hear it trying to crank. I've just replaced the alternator and battery it just won't turn over...
This suggests that the motor have run out of oil. When the oil pressure gauge reads zero, this means that there is not enough oil pressure inside the motor to properly lubricate engine components properly. When this happens, you may...
Question
Does a VW Passat 2003 have a front motor mount?
Hi there. There is no directly front motor mount, but there is a mid mount extended to the rear of the engine and a side mount just under the crank area to the frame. There is also a mount that...
Question
When turning on the key I hear a loud click from under the hood but it won't start the engine.
This is a common sign of a faulty starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may cause a clicking sound and will...
Question
When car runs awhile it will stall. The engine will turn on but as soon as you put it into drive it stalls.
Hi there, thanks for writing in. Any number of things can cause an engine to stall. Assuming, the Check Engine Light is not coming on, leads me to believe the ECM (Engine Control Module)/computer is not recognizing the fault. The...
Question
Check Engine Light. Trouble code P0141 appears but all sensors are new. Engine still stalls.
Hello. Depending on why the Check Engine Light is still coming on would determine if it is safe to drive it. If you are getting codes related to the oxygen sensors and the catalytic converter then you may have the...
Question
Is the engine on a Suzuki Grand Vitara 2l diesel 2004 a interference or a non-interference engine?
Hello - according to Suzuki, all of their engines are interference. The timing belt replacement interval is being revised to 60,000 kilometers; more like 40K miles. So, caution for replacing the timing belt earlier than expected. If you need assistance...
Question
Transmission and possibly engine problem - 2011 Toyota Yaris
The vibration and jumping may be caused by a broken engine mount. Very often a failed engine mount will cause excessive movement and bump against the stops. An easy way to see this is to have the parking brake held...
Question
The vehicle rides rough and there is a loss of power
Your vehicle has only 69,000 miles and so you want to make sure that the ball joint(s) has actually failed. So, best to either get a second opinion and have the Mechanic demonstrate the failure to you so you can...
Question
Engine noises at higher rpms.
Hello. If your engine is making sounds at higher rpm it may be possible that the issues are mechanical. The first thing I would do is check the engine's oil to make sure that it is at the proper level....
Question
Multiple problems with my Mini cooper 2008 automatic
Oil leaks at the valve cover gasket and camshaft and crankshaft seals are not uncommon. Oil can also leak from the turbocharger. All of these leaks can be resolved by YourMechanic. The transmission overheating indicator is serious because overheating the...
Question
Is it possible to crack an engine block by flushing the radiator?
Hi there: Is it possible - certainly. If the engine block is hot and the coolant being flushed is cold, it's actually rather simple for small cracks to develop inside the water passageways. It really depends on the condition of...
Question
My car starts then stallsafter a few seconds and won't start again
Hello. The steps you have taken at this point are all appropriate, and help to eliminate a lot of the electrical components that can cause stalling. You may be looking at a mechanical issue instead of an electrical one. You...
Question
Engine knock and low engine power
Hi there: The problem with trying to diagnose a ticking issue remotely is the fact that it could be multiple; yet completely different mechanical systems that are causing this issue; ranging from the timing chain being loose, to fuel system...
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...

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