Eddie Posted August 31, 2015 Report Share Posted August 31, 2015 Due to the inclement weather I have had to drive my Herald 13/60 convertible with the roof up, and cannot help noticing that there is a serious "roaring" sound from the area of the diff which gets louder as speed increases. My first thought is that the diff is worn and I have had a quote to rebuild it , but could it be the UJs on the drive shafts? Link to comment Share on other sites More sharing options...
Clive Posted August 31, 2015 Report Share Posted August 31, 2015 chances are if it is the diff, unless a bearing is shot, the crownwheel and pinion are worn and a rebuild may help, but may not get it exactly quiet. You may be better off finding a good secondhand one? Goodness knows how many ones I weighed in years ago as nobody ever wanted them. Seems they are a bit harder to find now though. Ho hum. UJ's unlikely to cause a roar. Best bet is to get the driveshafts disconnected along with the prop, and have a feel of the diff. Worn bearings often feel rough, and catch it soon enough it may be savable. I may be able to point you in the direction of a handy chap in sussex who is good with diffs, he is dropping in a bit later today. Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 31, 2015 Report Share Posted August 31, 2015 And for a roar also have a good eye over the exhaust for any contact with chassis , diff mount or body failed diff mounts or any engine gearbox mounts diffs dont tend to roar but contact does just cheaper idea Pete Link to comment Share on other sites More sharing options...
Gadgetman Posted September 11, 2015 Report Share Posted September 11, 2015 Pete who is the diff guy in Sussex as I might need a rebuild and that is down my way ..... Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 11, 2015 Report Share Posted September 11, 2015 sorry dont know him,, off hand he's been mentioned on here somewhere ... Pete Link to comment Share on other sites More sharing options...
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