1. Remove the front section of the engine top cover.
2. Disconnect the vacuum hose from the vacuum pump (1), remove the bolts (2) and ns vacuum pump.
The threads of the bolts are coated with sealant. When installing, use new bolts or apply Drei Bond 1209 sealant to the old bolts.
3. Replace O-ring (1) and apply a thin layer of lubricant to improve glide. Expose the leash (2) vacuum pump in relation to the grooves on the camshaft sprocket.
4. Further installation is carried out in the reverse order.