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Offline oakeedokee

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whining transmission
« on: February 21, 2007, 21:22:02 »
I've recently noticed a whining coming from the transmission on my bobtailed RRC. Unable to locate by ear where the noise is coming from I had a look underneath and noticed a lot of freeplay in the rear diff. If I rock the rear propshaft left and right there is noticeable movement of the dirt shield at the diff. I presume there should be no play there at all. The noise by the way sounds like my Grizzly claws on tarmac but much louder.
 I've drained the oil and pulled out the halfshafts but haven't gone any further yet this evening. I should point out that I have a Detroit No-Slip fitted in the back.
 Is there any thing else I can check, maybe while I've got the rear prop off, putting the front axle on stands and putting it in gear with engine running so I can get a better idea of where the noise is coming from. It is a five speed with Borg Warner viscous coupling by the way.
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Iain
bobtail Rangie pickup
2-door Disco in standard trim

Offline Difflock

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whining transmission
« Reply #1 on: February 21, 2007, 21:24:41 »
Rear wheel bearings ????? or diff bearings poss,Hope its the former
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Les Tappenden

93 Range Rover 2.5 V+M, +2",235/85/16 Marshal MT's and loads of welding needed to be done(weekend Toy)

Mk2 Nissan Navara (everyday transport)

TRX 850 Yamaha/70's RD250 (Sunny day Toy's)

You'll never get up there in that !!!!!

Offline Range Rover Blues

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whining transmission
« Reply #2 on: February 22, 2007, 13:06:44 »
Sounds lke the diff pinion bearings have gone, I've had this happen at speed and don't advise pushing the car untill it's fixed.  It's a diff rebuild BTW, if you are DIY I'd suggest getting a solid S/H diff and rebuilding your core into that.
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Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
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Offline oakeedokee

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whining transmission
« Reply #3 on: February 22, 2007, 20:56:42 »
Wheel bearings are fine. Thanks RRB, I was hoping you'd confirm my suspicions. Right, diff's coming out tomorrow, I think I might send it off to this guy http://www.crowndiffs.co.uk/ he sounds like he knows what he's doing. Anyone got any experience of them?
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Iain
bobtail Rangie pickup
2-door Disco in standard trim

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