How to remove a cam sprocket on a Mercedes?
This helps to ease re-assiblily since it’s often hard to see the marks on the back of the cam sprocket. It also helps to mark the “left” and “right” just incase. When finished we will use carb cleaner and a rag to remove the marks. Now it is time to remove the center bolt on the left driver side camshaft sprocket.
Where does the sprocket go on a Mercedes 350?
Generally speaking, in older Mercedes the sprocket slides over a key (woodroof key), and in newer Mercedes like in 350 engines, the adjuster has a pin that goes into a hole in the cam. In both cases, the alignment of the sprocket and the cam is set correctly.
Where are the camshaft marks on a Mercedes?
Now it’s time to check your camshaft marks. The right and left camshaft will have markings like the one above. If the balancer is at Zero, and the distributor points to #1 then both left and right camshaft marks should align as shown in the photos above. If this is the case you are now at TDC.
How to install timing chain on Mercedes W126?
Using an impact really helps but if you don’t have one grab a pair of locking pliers and hold the camshaft (Not on the lobes!) while you bust it loose. With a rubber hammer tap on the back side of the camshaft sprocket until you can wiggle it off. Carefully remove the sprocket while keeping the chain taught.
Generally speaking, in older Mercedes the sprocket slides over a key (woodroof key), and in newer Mercedes like in 350 engines, the adjuster has a pin that goes into a hole in the cam. In both cases, the alignment of the sprocket and the cam is set correctly.
Can a sprocket get Loose on a cla250?
In both cases, the alignment of the sprocket and the cam is set correctly. This is not the case in CLA250, (engine 270), the sprocket has no physical connections to the cam. So, if the central bolt get loose, the sprocket will be detached from the cam, and a serious damage to the engine occur. So, how one would align the sprocket with the cam.
Where does the adjuster go on a Mercedes 350?
I detached both sprockets (adjusters) from the cam and discovered that they were designed different from any Mercedes I have seen. Generally speaking, in older Mercedes the sprocket slides over a key (woodroof key), and in newer Mercedes like in 350 engines, the adjuster has a pin that goes into a hole in the cam.