VN Disc Rotor Change

[Cheap6]

You'll get cups (the part of the bearing without the rollers) for the bearings with the discs (installed in the hub). It is usual to simply use those with the cone (the part with the rollers) already on the car. If you buy new bearings you will get both parts; cup and cone.

There is a school of thought that says not to mix a cup and cone from different manufacturers. It may be more work than you want, and is also something else to screw up if you're not sure about how to do it, but the cups can be knocked out with a drift punch and hammer and swapped to keep the matched set.

There are notches cast into the hub to allow access to the back of the cups.

Support the wheel side of the disc/hub on blocks of wood or similar rather than simply rest it on the studs (it can damage the studs +/or push them out of the disc).

The best way to knock the new cones in evenly is to use one of the old bearing cups and only hit on that. If you can, grinding the outside surface off the old cup so that it will slip in/out of the hub means you don't have to hit it to get it back out of the hub.

 

[hi_ryder]

if hes using the RDA rotors he wont need the cup part, that particular brand has that shape already machined into it... didnt think to mention it...

 

[Cheap6]

The cups are always pressed into the hub casting after machining. In theory all the bearing manufacturers should be making their bearings to the same dimensions and they'd then be interchangeable. You don't have to swap them, it just keeps the parts matched in case there is any difference.

 

[hi_ryder]

The cups are always pressed into the hub casting after machining. In theory all the bearing manufacturers should be making their bearings to the same dimensions and they'd then be interchangeable. You don't have to swap them, it just keeps the parts matched in case there is any difference.

didnt even notice, so the rda ones are the same too? you can knock out bearing cup?

 

[vps231]

Maybe i'll just pack the old bearings with grease.

 

[Jxfwsf]

best to use the correct tool for the bearing cups, easiest way to show what it looks like is some ebay links, simple to use, line up correctly and belt in

NEW UNIVERSAL ALUMINIUM AUTO BEARING RACE SEAL DRIVER INSTALLER SET CAR TOOL KIT | eBay

Lisle 12980 Bearing and Seal Installer Master Set | eBay

really shouldn't cost much to get a mechanic or shop to put them in if the new rotors don't come already assembled, depending on km's and age it's a good idea to put new ones in.

 

[Cheap6]

didnt even notice, so the rda ones are the same too? you can knock out bearing cup?

Yep.

Maybe i'll just pack the old bearings with grease.

Up to you now. You know a couple of different ways to replace them. If alternative transport is available, maybe consider inspecting the bearings first, before making the decision to replace them or not.

 

[vps231]

if you read the auction (first link) they say that they are a direct replacement and include built in studs and wheel hubs. the ones in the pic are probably just a stock photo they use for all of the slotted ones. ive got these ones on my calais, with trw pads. pretty happy with the difference too, ive had to stop quick a few times and they've worked really well. (i did slotted on the back too)

Are you using the rda brake pad aswell and if so are they any good?

 

[hi_ryder]

Are you using the rda brake pad aswell and if so are they any good?

only rda at the back, trw's at the front. pretty happy with the trw's, i got a pamphlet at a trade show one year and decided to try them out. they ended up being less expensive than bendix too. with slotted rotors its just such a big difference from OEM, cant tell if its pad performance or the rotors but even with the 15/16 master cylinder and OEM callipers the car stops pretty quick...

 

[vps231]

Are all vn/p front calipers the same?