Wow you replaced the timing chain with out even checking stretch?

Have you rechecked the timing since you replaced the chain?

As I remember reading, there is key that is added to take up slack which must be removed after a chain replacement, the tensioner I believe is also suppose to be changed...

Tank is collapsing.....you need to fix that asap.....that will cause an issue, the tank is really easy to remove.....and blow out all the lines...

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Since we haven't got photos, I can't say what year your car is....but this link covers non turbo engines....just use 1981 as your model....engine OM617

Model 123 - OM617 Non-Turbo Maintenance Manuals

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