By replacing the chain and tensioners.
No, it has a chain. long Chain with Hydraulic (problematic) Tensioners
Can be two different things. Chain tensioners for bikes with horizontal dropouts are small gadgets that hook over the rear axle and pulls it towards the rear to help keep the chain tensioned. Chain tensioners for bikes with vertical dropouts are like a small spur wheel usually in the position where a rear derailer would have been. These push the chain downwards to keep an even tension on it.
You should always replace the timing chain, tensioners and sprockets whenever you rebuild the engine.
Timing Chains (2) with respective guides, tensioners and sprockets.
The 2.4 dura torque is chain drive but check for rattles when cold starting tensioners fail
The service manual recommends to have it checked every 10,000 miles.
19mm
It is not necessary to change timing gears when changing a timing chain unless they have become worn. You won't know if this is the case until you get the cover off and inspect them. It is necessary to change any chain tensioners when you change your timing chain.
Timing Belt. Mine just went out. You might have to replace the tensioners too. :(
19mm is 0.019 meters.
you have to remove the valve cover , the oil pan and the front timing cover. Then line up all the timing marks and remove the tensioners and guides then remove the cam gears and the chain