2010 z4 roof closing with a bang, never happened before.

Dellboy1948 said:
Cleaned all rubber seals with roof up now closing with a thump.
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Did you lubricate the roof mechanism, this really speeds things up so that may cause a thump...
 
mcbutler said:
Did you lubricate the roof mechanism, this really speeds things up so that may cause a thump...
Click to expand...

And once again:
RobbiZ4 said:
Anoher don't, but important from my point of view:
Don't use any lubrication in the roof, it is not required.[...]
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RobbiZ4 said:
mcbutler said:
Did you lubricate the roof mechanism, this really speeds things up so that may cause a thump...
Click to expand...

And once again:
RobbiZ4 said:
Anoher don't, but important from my point of view:
Don't use any lubrication in the roof, it is not required.[...]
Click to expand...
Click to expand...

Time for school

And once again :poke:

Phosphor bronze or sintered bushes are primarily designed for use in areas where other lubrication methods are difficult.
They come in many forms and are generally impregnated with around 4% lead, some are oil impregnated (a lubricant!) some are even impregnated with carbon pellets to further reduce friction.
However they are not perfect and whilst lubrication is not theoretcally required it will do absolutely no harm whatsoever.
You will notice an increase in the speed of roof movement and also remove some load fro the pump.

Go here https://www.skf.com/group/products/plain-bearings/bushings-thrust-washers-strips/principles/lubrication

Click on the + next to solid bronze bushings and also Sintered bronze bushings for factual info from a manufacturer.
In fact if you open any of the categories they will ALL state that additional lubrication can be advantageous..

Class dismissed
 
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