Do you have to change the timing gears?
However, the term timing gear has hung on and is still in common use to describe the sprockets that drive timing chains and timing belts as well. Changing the actual gears and the replacement of sprockets on other types of engines is similar, but often more complicated because of overhead camshaft layouts.
Where are the notches on a timing chain?
With the vehicle in neutral turn the crank by until the timing guide 0 (ZERO) is lined up with the notch in the pulley. Now you should see that the cam gear notches are at the top and that the raised rib on the crank is also at the top.
How do you change the timing chain on a 22R?
Remove the one horizontal mounting bolt up front and the two vertical mounting bolts in back and use a floor jack to lower the front differential assembly. Alternately, you can remove the motor mount bolts (2 per side) then use a cherry picker crane to raise the engine a few inches for clearance to drop the oil pan, if needed.
Where can I replace the timing cover on my car?
If your idea of a fun weekend doesn’t include spending it bent over the hood of your car, YourMechanic can replace your timing cover at your home or business to do the job at your convenience. This article originally appeared on YourMechanic.com as How to Replace Timing Gears.
How often do you need to replace timing chain?
The spot where it lines up with the pointer is approximately how much stretch your chain has. However, this can be off by up to 3 degrees. Therefore, if you are reading 5 degrees of stretch, you may actually have up to 8 degrees and you need to replace your chain.
How to change the timing chain on a Mercedes Benz?
In order to change the timing chain, all the components in front will have to be removed. This includes the belts, pulleys , alternator, the distributor and the power steering pump were all removed. Please refer to these articles should you need assistance.
How to measure the stretch of the timing chain?
To properly measure timing chain stretch, using the 27mm socket, read the crankshaft timing indicator markings. The spot where it lines up with the pointer is approximately how much stretch your chain has. However, this can be off by up to 3 degrees.
What happens if you neglect the timing chain?
Neglecting the chain can lead to catastrophic results. The usual scenario involves a broken guide being dragged up the chain and wedging between the cam gear leading to chain slippage or breakage. This will allow the pistons to contact valve heads.