<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Have you tried to locate with a mechanics stethoscope?<div class=""><br class=""></div><div class="">Dave<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Aug 20, 2020, at 2:11 PM, John Harper via Healeys <<a href="mailto:healeys@autox.team.net" class="">healeys@autox.team.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Roger<div class=""><br class=""></div><div class="">As you have said that you have changed both universals, is there chance that you have reassembled the shaft out of phase? This is easily fitted wrongly. Both universals have to be exactly in line and you should be able to see small pointers engraved on each side of the sliding sections that have to line up so that splines are correctly aligned.</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 20 Aug 2020 at 18:27, Roger Grace via Healeys <<a href="mailto:healeys@autox.team.net" class="">healeys@autox.team.net</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class=""><div class=""><div class="">AH people - fighting a noise in my BJ8 that may or may not be serious.</div><div class="">Reluctant to tear out the tranny unnecessarily and then to find it was something simple !<br class=""></div><div class=""> </div><div class="">Notice it at low speed (probably exists at driving speed but too much wind and engine <br class="">noise) if shift to neutral and cut ignition to minimize engine and exhaust noise.</div><div class="">Noise is pulsating - like a tire with a bad spot but seems to be at <br class="">prop shaft speed.</div><div class=""> </div><div class="">At first thought that it was at wheel speed and from R side.</div><div class="">So changed out the R wheel bearing.</div><div class="">No improvement</div><div class=""> </div><div class="">Then while looking below noted that universals had some play.</div><div class="">So changed out both universals.</div><div class="">Rear brakes not dragging and no binding of wheels.</div><div class="">No improvement.</div><div class=""> </div><div class="">Did listening on hoist with others listening too. Consensus was that there was a noise at rear OD area as well as the pulsating one.</div><div class=""><br class=""></div><div class="">So pulled annulus in situ and replaced both rear bearings. Quieter but still the pulsating noise while coasting in N.</div><div class=""> </div><div class="">Sound file enclosed is a road test from about 15 MPH then shift to N and cut engine. Tunnel cover off.<br class=""></div><div class=""><br class=""></div><div class="">Able to replicate noise with engine on axle stands but not by turning a rear wheel by hand or with an e motor.<br class=""></div><div class=""><br class=""></div><div class="">Noise does appear to come from transmission.<br class=""></div><div class=""><div class=""><br class=""></div><div class="">To verify is not diff removed one of the rear seats and noise doesn't appear to be coming from diff area.<br class=""></div><div class="">Disconnecting prop shaft to isolate diff not possible as need the inertia of the rear wheels to produce the pulsing.</div></div><div class=""> </div><div class="">About 5k miles ago I changed out the larger OD front bearing (sourced from <br class="">Moss ... ?) in the OD.</div><div class="">OD works fine and transmission shifts and works OK without unusual <br class="">noises.</div><div class=""><br class=""></div><div class="">The pulsating/cyclical nature of the noise baffles me and not consistent <br class="">with a bearing failure ?</div><div class=""><br class=""></div><div class="">Given that it occurs in neutral with no gears meshing it surely is not a bad gear tooth etc.<br class=""></div><div class="">OD not engaged so it is locked so not likely there.<br class=""></div><div class="">Removed gearbox top cover and did inspection - nothing obvious.<br class=""></div><div class="">So to my mind this only leaves the GB rear bearing ?</div><div class="">Or maybe a broken circlip or thrust washer and probably on main shaft external to gearbox ?<br class=""></div><div class="">or half shaft ?<br class=""></div><div class=""><br class=""></div>Any comments/thoughts appreciated from the more experienced among us.<div class="">Tkx </div><div class="">rg<br class=""></div></div></div>_______________________________________________<br class="">
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</blockquote></div><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature"><div dir="ltr" class="">Best wishes<div class=""><br class=""></div><div class="">John Harper</div><div class=""><br class=""></div><div class="">AHC UK 100 Register Secretary</div></div></div>
_______________________________________________<br class="">Support <a href="http://Team.Net" class="">Team.Net</a> <a href="http://www.team.net/donate.html" class="">http://www.team.net/donate.html</a><br class="">Suggested annual donation $12.75<br class=""><br class="">Archive: <a href="http://www.team.net/pipermail/healeys" class="">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" class="">http://autox.team.net/archive</a><br class=""><br class=""><a href="mailto:Healeys@autox.team.net" class="">Healeys@autox.team.net</a><br class="">http://autox.team.net/mailman/listinfo/healeys<br class=""><br class="">Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/dmasucci@charter.net<br class=""><br class=""></div></blockquote></div><br class=""></div></body></html>