soakes94 Posted November 25, 2016 Share Posted November 25, 2016 So I'm struggling with what should probably be an easy thing! I need to order and fit a new brake master cylinder however I'm not sure which one I need! Its a 1986 90, however when I changed the servo a few years ago it didn't use the STC2878 as I thought it would but it used the NRC4772 servo unit. The brake pipe coming out of the cylinder clsoest to the front of the car is going to the front brakes and the one nearest the servo is going to the rear brakes. I think it needs part number NRC8690 but I was hoping someone could confirm for me. Cheers Quote Link to comment Share on other sites More sharing options...
western Posted November 25, 2016 Share Posted November 25, 2016 you need the NRC8690 master cylinder, the later master cylinder with the low fluid float cap on has offset bolt holes & won't fit your servo. Quote Link to comment Share on other sites More sharing options...
soakes94 Posted November 25, 2016 Author Share Posted November 25, 2016 Amazing thanks western Will get NRC8690 on order now! Cheers 1 Quote Link to comment Share on other sites More sharing options...
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