hello
Please don't think I'm completely incompetent - but I had to take a quick and dirty action yesterday to replace my pump belt, as the front tension pulley had already come loose. And after I had all the parts in the garage, I did it quickly - it couldn't really go wrong.
so far, everything has worked perfectly, the car runs smoothly - however, I would like to explain some things to myself in the follow-up:
I understand the basic theoretical approach with setting (measuring instrument and OT) is clear – at least as it would be found in the wiki or in instructions.
"However, I made it really easy for myself, I marked everything - removed the rollers, immediately put on the new belt, and simply reattached the rollers - and that's it. Don't ask me how the static setting looks now - but I had it pretty well set up after two adjustments - the box is running perfectly, to my surprise. Let's see how the new belt behaves, I'll probably go back to the earlier start time in the winter so that the car starts better..."
after my information in this regard is only theoretical, I would like to have my theory about the story evaluated:
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"First, the basic setting is achieved using the camshaft."
This should be done so that the tension is centered with the tensioner – in order to potentially improve tolerances later. If you are already at the bottom when changing the belt with the tensioner, and you later need to go even further down – wouldn't that then no longer be possible?
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In the t4wiki, for example, it states that the setting is made dynamically with the roles (using the IMBUS), which also seems logical to me.
So, if I'm now perfectly centered on the measurement and the tension rollers also have enough space in both directions, it seems like I've gotten lucky and can definitely leave it as is?
Greetings
volvo 850 tdi - 2.5l AEL aut. bj.96 - bald 500000km
volvo v70n 2.4 - 2.5l 5Zyl Sauger bj. 2005