Re: What did you do with your 718 this week?
Posted: Tue Jan 06, 2026 7:04 pm
To somewhat make up for not taking any disassembly photos here are the assembly photos.
Here I am pressing the new bearing back in the hub. It is intuitive when you are doing it but you want to select the appropriate sized discs to press the outside of the bearing into the hub, only putting pressure on the outside race of the bearing. I have part of the tool clamped in my bench vice and am drawing the bearing down with a breaker bar, not an electric impact as I want to feel how smoothly the bearing is going in. I did use a little bit of grease to make it go easier, green grease as you can see it a bit in the pictures.
This is only contacting the hub I stopped part way to inspect and be sure it is going in well Now fully seated. Notice I had temporarily installed the wheel speed sensor, see that little black finger poking in the hole. More on that later. The brake rotor side The brake rotor side with the retainer plate bolted back on and the flange waiting to go on Now to press on the flange. In this case it is important to hold back only on the inside of the bearing. Flange now installed, process complete I disassembled the bearings looking for evidence of why it failed and I did not see much. The races all looked good suggesting no water intrusion and corrosion. All that I saw was the grease was dark, hard and dry. It was crumbly, no longer greasing. Here I am showing that the cages have started to go away. Finally I wanted to share that I had never installed this type of bearing before and one question I had was which way do they go in. Physically they go in either way but one side had a brown dust shield and the other a red. After a bit of testing I found that the brown side was magnetic, ah ha! That means the brown side is going to the inside and that is for the wheel speed sensor. Golden!
I found the OEM bearings online were $100 a piece. The OEM bearings from the local dealer were $150 but they were not in stock and the aftermarket bearings were $50 a piece from a reputable brand, in stock locally.
Since these were OEM and did not last long is it worth paying more for OEM again? Not sure but I decided to go with the German bearing company Schaeffler/FAG but I have been using these bearings for years on my other cars and they are always regarded as top quality. I could not find any marking on my OEM bearings so not sure who Porsche is using.
Here I am pressing the new bearing back in the hub. It is intuitive when you are doing it but you want to select the appropriate sized discs to press the outside of the bearing into the hub, only putting pressure on the outside race of the bearing. I have part of the tool clamped in my bench vice and am drawing the bearing down with a breaker bar, not an electric impact as I want to feel how smoothly the bearing is going in. I did use a little bit of grease to make it go easier, green grease as you can see it a bit in the pictures.
This is only contacting the hub I stopped part way to inspect and be sure it is going in well Now fully seated. Notice I had temporarily installed the wheel speed sensor, see that little black finger poking in the hole. More on that later. The brake rotor side The brake rotor side with the retainer plate bolted back on and the flange waiting to go on Now to press on the flange. In this case it is important to hold back only on the inside of the bearing. Flange now installed, process complete I disassembled the bearings looking for evidence of why it failed and I did not see much. The races all looked good suggesting no water intrusion and corrosion. All that I saw was the grease was dark, hard and dry. It was crumbly, no longer greasing. Here I am showing that the cages have started to go away. Finally I wanted to share that I had never installed this type of bearing before and one question I had was which way do they go in. Physically they go in either way but one side had a brown dust shield and the other a red. After a bit of testing I found that the brown side was magnetic, ah ha! That means the brown side is going to the inside and that is for the wheel speed sensor. Golden!
I found the OEM bearings online were $100 a piece. The OEM bearings from the local dealer were $150 but they were not in stock and the aftermarket bearings were $50 a piece from a reputable brand, in stock locally.
Since these were OEM and did not last long is it worth paying more for OEM again? Not sure but I decided to go with the German bearing company Schaeffler/FAG but I have been using these bearings for years on my other cars and they are always regarded as top quality. I could not find any marking on my OEM bearings so not sure who Porsche is using.