Station House

Well-Known Member

• Nov 19, 2011

• #1

Fitted replacement rear diff today (300Tdi 90, 1994)

Has cured clunks and metallic sound like a metal bar in bicycle spokes

New noise which sounds similar to the noise ruber band wind up aeroplanes used to make

Hoping it will reduce as it runs in - wondering about adding some molyslip?

 

Fur Trapper

Banned

• Nov 19, 2011

• #2

Did you check back lash on the ring to pinion gear (.008-.012 is the tolerance)

 

Station House

Well-Known Member

• Nov 19, 2011

• #3

I didn't play with it John - was a new LR unit which I just fitted

Perhaps wrongly assumed it would come set up as it should be - that was part of the attraction for me compared with replacing all the bearings on my knackered one

 

jamesmartin

Well-Known Member

• Nov 19, 2011

• #4

if it is noisy and not something else ,sound will travel,get them to send another and return it dont use anything,you cant make a poor diff better

 

Station House

Well-Known Member

• Nov 19, 2011

• #5

Cheers

Will give it a week and see where we get to - it's LR Orig so would have expected it to be OK

 

jamesmartin

Well-Known Member

• Nov 19, 2011

• #6

still built by people ,

 

Fur Trapper

Banned

• Nov 19, 2011

• #7

Station House said:

I didn't play with it John - was a new LR unit which I just fitted

Perhaps wrongly assumed it would come set up as it should be - that was part of the attraction for me compared with replacing all the bearings on my knackered one

Click to expand...

If I'm hearing correctly new complete diff/ with a pinion gear?

Did you set the pre load side to side of the diff in the carrier bearings? Trewey posted a how to on here quite simple.

Dosen't matter if new or used as the ring and pinion need to mesh correctly, this is done by shims on the pinion gear. New diff with old pinion gear = a noise rear end

Our was this new diff fitted to your original pinion in the axle?

 

jamesmartin

Well-Known Member

• Nov 19, 2011

• #8

complete diff already set supposedly

 

Fur Trapper

Banned

• Nov 19, 2011

• #9

jamesmartin said:

complete diff already set supposedly

Click to expand...

What about the pinion gear/set properly?

 

jamesmartin

Well-Known Member

• Nov 19, 2011

• #10

it comes buit you fit ,unless you know diffs like me or similar your not going to make it better,easily as would have to learn first and have tools

 

Station House

Well-Known Member

• Nov 19, 2011

• #11

Pre set up with everything from diff to flange

I certainly do not know the details as james does, so just trusted it to be right - bugger!