bernie Posted January 9, 2011 Share Posted January 9, 2011 My 110 defender had solid rear discs which i have replaced for drilled & grooved, now the calipers wont fit, Why? Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted January 9, 2011 Share Posted January 9, 2011 Have you pushed the pads (and pistons) back into the caliper body to allow the disc to fit between them? Keep an eye on the brake fluid reservoir while doing it, it can overflow sometimes. Quote Link to comment Share on other sites More sharing options...
bernie Posted January 9, 2011 Author Share Posted January 9, 2011 Pistons are pushed right back in to place, it seems like the disc is not on far enough but wheel bearing housing is sitting in correct place, i cannot get the caliper to get into position to bolt it on. These are the discs i bought off fleabay item no.250634262603 Quote Link to comment Share on other sites More sharing options...
western Posted January 9, 2011 Share Posted January 9, 2011 Probably because the new disc are thicker than the original fit solid discs. so you may need new calipers too.or the matching pads are slightly thinner than the factory fit LR pads nothing wrong with solid disc on rear, it's the fronts that do most of the braking anyway, grooves/holes may get filled with mud if the vehicle is used off tarmac. Quote Link to comment Share on other sites More sharing options...
RedLineMike Posted January 9, 2011 Share Posted January 9, 2011 iirc its because there is a slight difference in the offset of the discs for the rear of a 110, when we converted my dads 110 from drums to discs the discs that were supplied were 90 rears iirc & wouldnt fit so had to get the correct discs Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted January 9, 2011 Share Posted January 9, 2011 110 rears are the same as 110 and 90 fronts, the same disk (FRC7329) but twin-pot calipers instead of the four-pot ones on the front. 90 rears are different, smaller disks (FTC1381) and calipers. Same as early Disco rears (and probably RR too). This is all post-rationalisation (1990-ish) but as yours is a 300Tdi it should be the case for you. This is also for non-ABS vehicles, those with ABS have a different disc I believe. Quote Link to comment Share on other sites More sharing options...
bernie Posted January 9, 2011 Author Share Posted January 9, 2011 Have measured new against old disc, there is a difference on the offset of the disc, the new disc is approx 4/5mm narrower, this it seems is causing the problem, So all i need to do is get an exchange for the correct ones, Quote Link to comment Share on other sites More sharing options...
bernie Posted January 9, 2011 Author Share Posted January 9, 2011 Have measured new against old disc, there is a difference on the offset of the disc, the new disc is approx 4/5mm narrower, this it seems is causing the problem, So all i need to do is get an exchange for the correct ones, Ok have worked out i have been sent 90 rear discs as the box ref is DA4601 and 110 rear disc ref is DA4600 Quote Link to comment Share on other sites More sharing options...
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