i have a 51 plate 2.2 cdx vertra i would like to know how to set the timing chain
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.
It does not have a timing belt, It has a chain and gears.
Timing gears
It has a chain and gears. NO BELT. There would be no reason to fool with the timing chain and gears on that year engine. The chain and gears would out last the engine.
It has a timing chain and gears.
it has both chain and gears
It has a timing chain and gears. NO timing belt.
First of all, It has a timing chain not a timing belt. No need to change the timing chain and gears. They will last the life of the engine.
Timing chain
It has a timing chain and gears.
It does not have a timing belt, That engine has a timing chain and gears and they normally last the life of the engine.
It has a timing chain and gears. NO BELT.