What to do when timing chain is removed?
Disconnect battery earth lead. DO NOT turn crankshaft or camshaft when timing belt removed. Remove spark plugs to ease turning engine. Turn engine in normal direction of rotation (unless otherwise stated). DO NOT turn engine via camshaft or other sprockets. Observe all tightening torques. Removal Remove:
Why is my timing chain making a noise?
If the engine is equipped with a hydraulic timing chain tensioner, the noise may disappear or lessen as the engine oil warms up and the tensioner removes some of the slack. If the timing chain wear is great enough so the tensioner can no longer compensate for the slack, the noise may continue even after warming up.
Where is the timing chain located in an engine?
The chain is located inside of the engine and needs to be lubricated by the oil in the engine, making oil maintenance important as well. Every time you use the engine, the timing chain is in use. When does a timing chain need to be replaced?
How to turn crankshaft clockwise to TDC on No 1 cylinder?
Turn crankshaft clockwise to TDC on No.1 cylinder. Ensure timing marks aligned [4] & [5] . Slacken tensioner bolt [6] . Push tensioner away from belt. Lightly tighten bolt. Remove timing belt. NOTE: Mark direction of rotation on belt with chalk if belt is to be reused. Installation NOTE: Observe direction of rotation marks on belt.
Why to change timing chain?
Improved fuel economy – Changing the timing chain is also going to improve the gas mileage in your car. A new timing chain will ensure that the crankshaft and the camshaft are working perfectly in unison. This ensures that the valves on the engine are able to deliver great combustion. In the end, you will save a lot on fuel costs.
When is it time to change timing chain?
A timing chain is a major component used to keep an engine’s timing in sync, and replacing it is often an essential part of automobile maintenance. Timing chains typically last longer than timing belts and are preferred by some automakers for their durability. Most experts recommend replacing a timing chain every 100,000 miles or so.
When do you need to change the timing chain?
The timing chain normally needs to be replaced between 40,000 and 100,000 miles unless there is a problem. Issues with the chain are pretty common in high mileage vehicles, so if you are driving an older vehicle, or one with a lot of miles, it is best to be on the lookout for symptoms of the timing chain going bad or failing.
How many hours does it take to change timing chains?
How Long Does It Take to Replace a Timing Chain? The timing chain replacement cost is higher than many other auto repair jobs in large part because of how long it takes to put a new timing chain into place. Oftentimes, it’s going to take a mechanic between 4 and 6 hours to complete a timing chain replacement job from start to finish.