How to adjust alternator belt tension

[Veyron]

Hi, does anybody know how to adjust the tension on the alternator belt in order to fit a new belt?

Thanks

 

[ibizacupra]

sprung loaded tensioner... usually.
15mm spanner on its top and turn it.. There is a hole to stick in a locking pin thru it to hold it but you can lever it to release tension, and pop off the belt and do the same to put new belt on.

 

[Veyron]

Thanks, still trying to find it

 

[Veyron]

My dad pulled the pin o0ut of it before i had chance to fit it. Is there any way to recompress the spring?

 

[RUM4MO]

If you mean that the tensioner has been "wound up" so that the belt could be removed - and then the tensioner has been released with no belt on, then all you need to do is wind it back up - jacking the car up and removing the O/S wheel and liner wil make it a bit easier if you are finding that the spanner can not get moved enough to the tensioner "wound up" enough.

 

[Veyron]

Cheers mate, all sorted now though. For some reason its idling at 1500RPM though?