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Symptoms of Bad or Failing Timing Gears (Gear To Gear)
Common signs include rattling noises from the engine, a rough running or backfiring engine, and an engine that does not run.
How Long Do the Timing Gears Last?
The timing gears work with the timing belt and chains in the engine to ensure your vehicle runs smoothly. The gears are connected to the crankshaft at one end and the camshaft...
Symptoms of a Bad or Failing Timing Belt
Common signs include a ticking noise coming from the engine, an engine that won't turn over, engine misfires, and oil leaking in front of the motor.
Symptoms of a Bad or Failing Timing Cover
Common signs include oil leaking, engine running rough, a knocking sound from the engine, and the Check Engine Light coming on.
How Long Does a Timing Cover Last?
A timing cover protects parts such as the timing belt, timing chain, and gears inside of your vehicle. They are made from either plastic, metal, or a combination of synthetic materials....
How Long Does an Automatic Timing Advance Unit Last?
The automatic timing advance unit is a component in vehicles with diesel engines. Of course gas and diesel engines both work on the internal combustion principle, but they are quite different,...
Symptoms of a Bad or Failing Automatic Timing Advance Unit
If your car experiences engine knock, sluggish performance, or excessive black smoke, you may need to replace your automatic timing advance unit.
What Causes a Car to Stall?
You trust your car. You may not think about it, but you believe that certain functions will occur without fail. You may be aware of little annoyances or issues, but you trust that when you...
How to Remove, Install, and Adjust Ignition Timing
Ignition distributors are used in gasoline engines to provide a properly timed, high voltage to the spark plugs. A gasoline engine cannot run on gas and air alone. The...
How to Replace an Automatic Timing Advance Unit
The engine has an automatic timing advance unit which fails when the engine knocks, is sluggish, or emits excessive black smoke.
How to Adjust Timing on a Car
A well timed ignition will allow the engine to run powerfully and efficiently. The timing needs adjustment when the engine runs too lean or too rich.

Related questions

Would it give me trouble in the future?
Hello. If the car is missing the timing chain, then it will not run. I would steer far far away from buying a vehicle that needs this kind of repair. YourMechanic is capable of replacing your timing chain. However, what...
Jumped timing
Typically when the word jumped time is used, this means the timing belt is the issue. According to my information system, this motor is an interference motor. Which means when the belt breaks, it damages the pistons and valves. This...
Is it necessary to replace the timing chain during a ring replacement job?
In the course of performing the recall the timing chain needs to be removed in order to perform the service. The chain does not need to be replaced but does need to be removed. If the dealer will replace the...
Check engine -- timing chain
Usually when an OBD-II error code is triggered by a damaged part or sensor, it is stored inside the ECM until the issue is repaired, but must be downloaded and cleared by using a professional digital scan tool. The check...
Does my car have a timing belt or timing chain
Hello, thanks for writing in about your Honda Accord. Firstly, there is no way to know without looking your engine to check if it has a timing belt or chain. I have worked on a lot of Honda's and most...
Cam gear markings
Yes, this is possible. There are some engines like Toyotas 3.x series engines which use the same gear for both banks, but one side is the reverse of the other. Pay very close attention to all of your parts on...
The cam chain snapped. Is the engine on a 2011 Ford Transit 2.4L a non-interference engine?
Hello. My research indicates that the ford 2.4 TDCI engine is indeed an interference type engine. If your timing chain has snapped, then it may be possible that the pistons and valves made contact and possibly became bent or damaged....
Do I need to replace the timing chain tensioner cover gasket?
This would depend on the severity of the oil leak. If the oil leak is fast, I would recommend having this issue resolved as soon as possible to prevent any damage to your engine. The labor charges likely high due...
Timing belt problem - 2004 Nissan Maxima
Actually yes it is normal. I will go through a few things that you may or may not have done and hopefully we can get your issue resolved. When you put your crankshaft pulley on did you use an impact?...
The relation between car revving and timing chain
Hello, thanks for writing in. Short period of high revving on a good engine will not damage anything. If the engine has been held at a high rpm for a long period of time, or if there are any issues...
Loud chatter at idle only
Hello, thanks for writing in. If the flexplate was changed within the last year, then I would usually start by isolating that area of the noise. This noise can occur if the bolts are coming loose. If they are fine...
I just had my engine replaced. Car was not starting, could it be the computer module went out? Can I buy that?
Hi there. The likelihood the ECM is at fault is remote unless, you shorted out something in the course of engine replacement. The fact it wanted to crank leads me to believe you have a battery and/or starter issue. The...
My 1990 Toyota pick up 4WD will not run
Hi there. You've got some work cut out for you. It sounds like either the timing chain could be out of time or the distributor is not timed correctly. First, set cylinder 1 to top dead center and remove...
I have oil leaking from my car I had a estimate done on it last week and told me to replace the whole crankshaft.
Hi there. With a car of this age, it should be highly unlikely that the car would need the crankshaft replaced as this is typically something that does not fail unless under catastrophic conditions. There are a number of places...
I think timing - 2001 Honda Civic
Hi there. Assuming your friend replaced the crankshaft position sensor for a no-start condition or fault code stored, that should not have caused an extended crank or scraping noise unless the sensor was improperly installed. The cause may be unrelated...
Between timing chain & wheel bearing & starter which is more important to fix first?
Hello. I would repair them in this order given your research (Well done!), and your replacement car plans. First - have the timing chain repair done. It is a bit costly, but the consequence of ignoring it is a trashed...
My car would not go when I pressed the gas .
For certain, your engine shut off abruptly, never a good thing. Although you don't mention how many miles are on your Explorer, there are any number of possibilities for this behavior, including: engine timing chain failure, ignition module failure, fuel...
Normally, when the headers start to glow, it is a sign that there is a restriction. Typically, the headers will not begin to glow until high rpm's are reached, which from a theoretical standpoint, are telling you that they are...
The firing order for the vehicle you described is: 1-3-7-2-6-5-4-8; the rotation is counter-clockwise. Number 1 on the cap is the terminal closest to cylinder 5 (rear of the cap, on the drivers side). Remember also that it is very...
Hi! Check Engine Light appeared after upgrading the timing on my Cadillac SRX 3.6 engine from year 2004 to 2007.
Hello. I would not recommend changing the timing between model years. There are certainly software differences in the engine management system (this is what is causing your Check Engine Light), and there may be physical differences in timing reference points...

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