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Car Forum / MINI / March 2006Caliper in halves
Hello, I took the 8,4" standard Mini caliper in 2 halves, which is forbidden in the Haynes manual. I did this to replace the rubber seal ring as I cleaned the caliper in parrafin. Does anyone know the torque setting of the 2 bolts that hold the halves together? The bolt heads are 5/8". Thank you! > Hello, > [quoted text clipped - 8 lines] > > Thank you! Bolts are usually torqued by the diameter of the bolt also the markings on the head which indicate the tensile strength of the bolt. So with both these fact known the torque will be known. Think you may find that the bolts are 5/16 dia and high tensile - should be somewhere around 25 ft/lbs. >> Hello, >> [quoted text clipped - 16 lines] > Think you may find that the bolts are 5/16 dia and high tensile - should > be somewhere around 25 ft/lbs. I remember reading somewhere,, that the calliper halves are pressed together with something like a 2 ton press, then the bolts are put in and torqued up, obviously the bolts could not achieve this type of pressure with a torque wrench, but they could maintain it, a similar procedure with the fuel distributor on early Bosch "K" jet systems if anyone remembers ever taking one to bits, Fitzy Snip........... > I remember reading somewhere,, that the calliper halves are pressed together > with something like a 2 ton press, [quoted text clipped - 4 lines] > if anyone remembers ever taking one to bits, > Fitzy Seems a bit excessive. The seal between the 2 halves is normally made with an O ring. My tutor at College did some Morris Minor ones while I was there and he just tightened them up with a ring spanner on assembly he used a locking compound on the calliper bolts to stop them coming undone. It used to be quite normal to buy kit with longer bolts seals and a spacer to put between the two halves for fitting vented discs. Ford used to do them as a performance upgrade for Capris and Escorts etc. I believe KAD use a similar system for using their Mini calliper with vented discs. Peter > Snip........... > > I remember reading somewhere,, that the calliper halves are pressed [quoted text clipped - 12 lines] > and he just tightened them up with a ring spanner on assembly he used a > locking compound on the calliper bolts to stop them coming undone. Morris Minor with disc brakes? since when? Keith > It used to be quite normal to buy kit with longer bolts seals and a spacer > to put between the two halves for fitting vented discs. Ford used to do them > as a performance upgrade for Capris and Escorts etc. I believe KAD use a > similar system for using their Mini calliper with vented discs. > > Peter They were from one of the Moggy specialists I beleive they were based on Marina items. It also had a telescopic shock conversion uising gas Spax. They were needed due to the 2 ltr Fiat Twin Cam Engine. Great car, it looked bog standard except it had slightly wider wheels and tyres. Peter > Morris Minor with disc brakes? since when? > [quoted text clipped - 6 lines] > > > > Peter > They were from one of the Moggy specialists I beleive they were based on > Marina items. It also had a telescopic shock conversion uising gas Spax. [quoted text clipped - 14 lines] > > > > > > Peter Hi, Explanation re Morris Minor brakes accepted. Standard they were drums, and not too hot. I worked on these cars for many years back in the old BMC days, right back to the old 903cc models and split screens. keith >>They were from one of the Moggy specialists I beleive they were based on >>Marina items. It also had a telescopic shock conversion uising gas Spax. [quoted text clipped - 31 lines] > > keith And the low lights? > Snip........... >> I remember reading somewhere,, that the calliper halves are pressed [quoted text clipped - 22 lines] > > Peter Sorry TurboJo and NG I only used the 2 tonne press to explain the procedure, I didn't mean to imply they actually used 2 tonnes to press the halves together, I don't know what the actual pressure was, I just remember reading it somewhere years ago, Fitzy |
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