Set tensioner, guide rail, gaskets for balancer shaft chain
If you hear a clapping rubbing noise in the front engine area when the engine is cold, the tension guide of the balancer shaft / water pump drive is most likely broken. Visual inspection is possible via an inspection opening for the water pump. (See: https://www.opel-gt-cabrio.de/forum/index.php?topic=2660.0)
The solution for 99% of all tenionerguide problems. The set contains everything, you need for an inexpensive minimal repair set for DIY or an free workshop: tensioner, guide rail and sealings for the balancer shaft chain. Usually the gears and chain are still in good condition. Easy fix, just remove the front cover. You can change the parts without special tools or removing gears or chains.
Scope of delivery:
Tensioner, like GM 90537300
Guide rail, INA / CLOYES
Gaskets, Made in Germany