Hi everyone, im new to this forum, i have an issue with a durango 3.6 v6, every time i install the new timing chain kit, the dimple mark in the crankshaft gets misaligned after two rotations to check if timing was well done. Im gonna post some pictures, so it's easier to understand:
I align the dimple mak in the crankshaft as it is supposed to be, this is just after releasing all tensioners, no crank rotations yet
![Image]()
Here is the arrow mark aligned with the plated link, in the crankshaft sprocket
![Image]()
RH bank cam chain aligned in the idler sprocket, a bit difficult to see the arrow and the plated link
![Image]()
In this picture it's clearer, both arrows from idler sprocket aligned with plated links of both cam chains
![Image]()
Idler sprocket to crankshaft sprocket chain aligned (second picture shows the same chain, it sits behind both cam chains).
![Image]()
LH cam phasers aligned, aswell as plated links
![Image]()
Same with RH cam phasers
![Image]()
Then i release all tensioners, and all good until here, but then, after i rotate the crankshaft to check if every mark fall where it is supposed to be, this happens:
![Image]()
![Image]()
![Image]()
As you can see, all camshafts are aligned, but the crankshaft is not, the dimple is a few degrees off its mark, so my questions are:
Is it supposed to be like this? Because even with a "workshop manual" from internet (idk if it's even original), it just specifies until you release all tensioners, no check advised. Btw, the correlation DTC between cam and crank remained after the first time i timed these chains, at first i assumed this was OK, but i'd like to hear someone who has already done this before.
Also, do i need to perform a cam-crank variation relearn? I watched a video saying this. If so, could a high end chinese scanner do it (like Launch scanner).
This engine is driving me nuts, i have done this timing chain more than 10 times already, same result.
Thanks in advance.
I align the dimple mak in the crankshaft as it is supposed to be, this is just after releasing all tensioners, no crank rotations yet
Here is the arrow mark aligned with the plated link, in the crankshaft sprocket
RH bank cam chain aligned in the idler sprocket, a bit difficult to see the arrow and the plated link
In this picture it's clearer, both arrows from idler sprocket aligned with plated links of both cam chains
Idler sprocket to crankshaft sprocket chain aligned (second picture shows the same chain, it sits behind both cam chains).
LH cam phasers aligned, aswell as plated links
Same with RH cam phasers
Then i release all tensioners, and all good until here, but then, after i rotate the crankshaft to check if every mark fall where it is supposed to be, this happens:
As you can see, all camshafts are aligned, but the crankshaft is not, the dimple is a few degrees off its mark, so my questions are:
Is it supposed to be like this? Because even with a "workshop manual" from internet (idk if it's even original), it just specifies until you release all tensioners, no check advised. Btw, the correlation DTC between cam and crank remained after the first time i timed these chains, at first i assumed this was OK, but i'd like to hear someone who has already done this before.
Also, do i need to perform a cam-crank variation relearn? I watched a video saying this. If so, could a high end chinese scanner do it (like Launch scanner).
This engine is driving me nuts, i have done this timing chain more than 10 times already, same result.
Thanks in advance.
