bjnsa.blogg.se - Rebuild e36 vanos

Rebuild e36 vanos how to#
Rebuild e36 vanos install#

Rebuild e36 vanos install#

Next install the Teflon seal, its rectangular.Do not use tools to stretch the o-ring, use fingers. It should go on easy, insert it at one end and stretch it over the piston inserting it into the groove at the other side. Install the new o-ring into the piston groove.Spray some WD-40 through the hole and rotate the splined shaft to distribute the oil.When looking at the piston bolt cap you’ll notice a small hole in the center of the hex.Fully tighten the piston bolt cap to 30 ft-lb.

Loosen vise and flip piston assembly and orient as such:.

When installing the piston bolt cap, only hand tighten.

Re-installation of bearings and washers is exact opposite of removal.

To prepare the piston assembly for installation, set all the washers and the new bearing in the assembly order.

Clean the piston and bearing parts with brake cleaner.

Next, remove the washer from below the bearing.

Now you need to remove the outer bearing ring from the piston. This will not be re-used.

At this point you can remove the Piston from the cover and splined shaft.

Next, remove the next washer and thrust bearing.

It is a left hand thread, so left=tighten right=loosen.

Using a T-30 torx socket loosen the torx bolt.

Keep track of the order the washers and thrust bearings are removed.Īfter removing the cover bolt you should remove 1 flat washer and 1 thrust bearing.

When you remove the bolt completely you’ll start removing washers and thrust bearings.

So, now that the bolt is loose, loosen the vise and flip the Vanos piston body and tighten onto the splined shaft.

Using the special 18mm socket loosen the Piston cover bolt.

With the piston body oriented like this the bolt hole extrusions will counter-hold as you try to loosen the cover bolt.

Rotate the Vanos piston body so that the extrusion on the bolt hole rests on the jaw liner.

Place the Vanos piston in the vise with the piston at the vise outer jaw.

Also, the soft vise jaw liners are a necessary tool when trying to perform this, without them the vise will damage the aluminum piston. You want to do this before installing the new o-ring and Teflon seal.

Rebuild e36 vanos how to#

Given that you decided to buy and install the Anti-Rattle kit, here is how to do it. Clean any debris from the groove on the piston- be sure to use a cloth or towel that doesn’t deposit fibers.Cut it out with a razor blade and remove from the Vanos Piston groove. Underneath the Teflon seal will be an o-ring.

Cut across the Teflon seal with a razor blade and remove from the Vanos Piston groove.

It should have a very polished appearance.

Inspect the cylinder wall for any defects.

Remove the Vanos cover bolts and remove the Vanos piston from the housing.

It costs quite a bit more, but if you’re not in the mood to rebuild your Vanos, they do it for you! For those who like to save money by doing it yourself, let's get started.įirst, remove the VANOS unit from the vehicle. To do the anti-rattle repair you will need to purchase a few special tools from Beisan Systems including a special 18mm socket and soft vise jaw liners.ĭrVanos offers rebuilt Vanos units with upgraded seals and anti-rattle bearings. If you wish to do the anti-rattle repair, you can get a Vanos rebuild kit from Beisan Systems that includes new seals and anti-rattle parts. Viton is much more suited for engine applications as it resists higher temperatures and chemicals better than Buna. Aftermarket seals can be acquired from Beisan Systems. While the OEM o-ring is made from a material called Buna, the aftermarket o-ring is made from Viton. Since BMW provides rebuilt Vanos units with gaskets made from the material that is known to fail, problems will resurface with time. The aftermarket o-ring is made from Viton If you go to BMW for replacement gaskets, they will happily offer you a rebuilt Vanos unit for a hefty price - they do not provide replacement gaskets. They are prone to a nasty ticking noise and failed gaskets on the Vanos piston. If you've ever gone through the trials of removing a Vanos unit on an E36 BMW, congrats! You’re on your way to a well-functioning Vanos system.