jamie077366 Posted February 14, 2021 Posted February 14, 2021 Hi guys, tuck manta for mile run , nearly ready for mot so sneaked our for quick run to see What happens after restoration. Diff whining, I don’t recall it whining befor it came of the road, it has lsd which I probably did 200 miles befor off the road 7 years ago. Interior now stripped but even so, it’s that noisy it would of been apparent even with interior in. What’s your thoughts? Thanks Quote
Trooker Posted February 14, 2021 Posted February 14, 2021 Might be worth checking your wheelbearings before doing anything more. 1 Quote
Jessopia74 Posted February 14, 2021 Posted February 14, 2021 Has the thing turned at all in 7 years? As bearings with pre-load can flat spot. Quote
jamie077366 Posted February 14, 2021 Author Posted February 14, 2021 20 minutes ago, Jessopia74 said: Has the thing turned at all in 7 years? As bearings with pre-load can flat spot. Hi bud, ish, totally stood 3-4 years , towed around few yards on and of brothers 4 poster Couple of years and shunted around a on it’s own steam the last 6-12 months. 👍 Quote
Jonathan Pounsett Posted February 14, 2021 Posted February 14, 2021 There is something in LSD diff oil that can go bad over time - don’t know what. It won’t hurt to renew it anyway and it’s cheap and easy to change. 1 Quote
jamie077366 Posted February 14, 2021 Author Posted February 14, 2021 2 minutes ago, Jonathan Pounsett said: There is something in LSD diff oil that can go bad over time - don’t know what. It won’t hurt to renew it anyway and it’s cheap and easy to change. Ah, ok, it did take 200ml top up, which surprised me as it’s not moved Quote
Jonathan Pounsett Posted February 14, 2021 Posted February 14, 2021 Someone explained the difference between engine oil, gear oil and lsd oil to me and I wish I’d paid more attention. There is something in lsd oil that causes friction which normal gear oil doesn’t have and that’s why it won’t work. You can buy the additive separately and mix your own ratio. Not something I would risk doing myself 😬 1 Quote
611 Posted February 15, 2021 Posted February 15, 2021 For limited slip diff you need the diff oil and then the limited slip diff additive. Is it the standard diff (factory fitted) or aftermarket? if factory i might have the part number for the GM stuff. Andy Quote
GTEPETE Posted February 15, 2021 Posted February 15, 2021 Misread as your question as "whining wife"...my mistake! If anyone is ever stuck for LSD oil, buy it from Fords as Capri 2.8 Specials had ZF diffs...will check part number tonight.... Quote
jamie077366 Posted February 15, 2021 Author Posted February 15, 2021 1 hour ago, 611 said: For limited slip diff you need the diff oil and then the limited slip diff additive. Is it the standard diff (factory fitted) or aftermarket? if factory i might have the part number for the GM stuff. Andy Hi Andy, it’s manta axle with gripper lsd, it’s got the oil gripper recommended, Castrol B373 iv jacked back end up and spun wheels, very noisy, il get bro to give me a hand this eve to locate if diff or wheel bearing noise.... or both 🤦♂️😂 Quote
paulmanta Posted February 15, 2021 Posted February 15, 2021 Could be the prop centre bearing, these can sound a bit "diffy" when they go crap. 2 Quote
jamie077366 Posted February 15, 2021 Author Posted February 15, 2021 3 minutes ago, paulmanta said: Could be the prop centre bearing, these can sound a bit "diffy" when they go crap. Thanks, pleased you’ve said that...... jacked up and ran it and my nephew thought was coming more from towards the front... Quote
611 Posted February 15, 2021 Posted February 15, 2021 2 hours ago, jamie077366 said: Thanks, pleased you’ve said that...... jacked up and ran it and my nephew thought was coming more from towards the front... At least the centre bearing is reasonably easy to change and would be worth doing anyway and will help to track it down to where it is coming from. Worth checking the condition of the centre bearing rubber as well. 1 Quote
jamie077366 Posted February 16, 2021 Author Posted February 16, 2021 As paul says , If it’s only cheap it wouldn’t do any harm and help eliminate, anyone know part number? Quote
GTEPETE Posted February 16, 2021 Posted February 16, 2021 Worth checking those bearings...keep us posted.... 1 Quote
H-400 Posted February 16, 2021 Posted February 16, 2021 (edited) Wanted to look in the parts-catalogue, but just that page is unreadable😟. But got a new one laying in front of me and it is a SKF one. Partnr. 6205-2RS1/3. It is an ordinary bouble side closed bearing and I think the measurments are 25x52x15 mm. When I'm back from the kinésist (knee) I can check it with a micrometer. And I checked the bearing with the micrometer, measurments as written above Edited February 16, 2021 by H-400 3 Quote
IanMc Posted February 16, 2021 Posted February 16, 2021 Coincidentally, I have just ordered two new rear wheel bearings for my '79 Cavalier Coupe. I ordered these on the assumption that they will fit... https://www.ebay.co.uk/itm/VAUXHALL-VECTRA-A-MANTA-B-REAR-WHEEL-BEARING-1975-1995-BRAND-NEW/131718860160?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 Not looking forward to fitting them from some of the things I have seen and read. I ordered them for similar reasons to you Jamie (sounding rough at the back). Quote
Trooker Posted February 16, 2021 Posted February 16, 2021 3 hours ago, IanMc said: Coincidentally, I have just ordered two new rear wheel bearings for my '79 Cavalier Coupe. I ordered these on the assumption that they will fit... https://www.ebay.co.uk/itm/VAUXHALL-VECTRA-A-MANTA-B-REAR-WHEEL-BEARING-1975-1995-BRAND-NEW/131718860160?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 Not looking forward to fitting them from some of the things I have seen and read. I ordered them for similar reasons to you Jamie (sounding rough at the back). Ian if those fit you’ve got an absolute bargain! I struggled to find any at a decent price in the UK last summer. Got them from the Netherlands in the end but it was around £100 for both sides, just tried to insert url but that seems to be blocked here just now?! If your eBay ones don’t work out pm me & I’ll send you the link. oh & having also read horror stories I cheated & got a man with a press to do the job 😁 now though I’ve started to hear the thrust bearing complain a little 😬 1 Quote
jamie077366 Posted February 17, 2021 Author Posted February 17, 2021 Hi guys. Thanks Ian, i ordered some too! ok had manta on brothers lift, noise from front so prop bearing (thanks Paul) also maybe from back, my brother said diff casing near pinion was getting hot way to quickly so possible front pinion bearing too. Taking apart tomorrow to see situation, thanks for the help guys. 3 Quote
Jessopia74 Posted February 17, 2021 Posted February 17, 2021 13 minutes ago, jamie077366 said: Hi guys. Thanks Ian, i ordered some too! ok had manta on brothers lift, noise from front so prop bearing (thanks Paul) also maybe from back, my brother said diff casing near pinion was getting hot way to quickly so possible front pinion bearing too. Taking apart tomorrow to see situation, thanks for the help guys. Yeah, both usual suspects, sadly due to been static for prolonged period. 1 Quote
Exclusive Opel Posted February 17, 2021 Posted February 17, 2021 Unfortunately, those bearings in the link are for the front. The rear is larger single bearing with a separate retaining collar. You should be able to get a refund as the listing incorrect. Rear bearing: 1 Quote
jamie077366 Posted February 17, 2021 Author Posted February 17, 2021 3 hours ago, Exclusive Opel said: Unfortunately, those bearings in the link are for the front. The rear is larger single bearing with a separate retaining collar. You should be able to get a refund as the listing incorrect. Rear bearing: Ahhh, the ones I ordered is from a different seller but I think I’m in the same boat..... already changed the front when I was bored in the first lock down..... il keep them for my coupe I’m going to have a go at once sorted hatch 👍 Quote
IanMc Posted February 17, 2021 Posted February 17, 2021 10 hours ago, Exclusive Opel said: Unfortunately, those bearings in the link are for the front. The rear is larger single bearing with a separate retaining collar. You should be able to get a refund as the listing incorrect. Rear bearing: Yep, they arrived today and you are absolutely right. I will be writing a message to the Seller shortly lol Quote
jamie077366 Posted February 17, 2021 Author Posted February 17, 2021 1 hour ago, IanMc said: Yep, they arrived today and you are absolutely right. I will be writing a message to the Seller shortly lol Hum, shame, I wanted everything to hand for the weekend to get stuck in with. Quote
Trooker Posted February 18, 2021 Posted February 18, 2021 Dunno how I missed the link icon last night but these fit fine. https://www.mm-opelparts.com/wheel-bearing-set-rear-axle-72x41-5x21 1 1 Quote
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