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taazzukcb

Member Since: 30 Aug 2013
Location: Derbyshire
Posts: 663

2004 Defender 110 Td5 DCPU Stornoway Grey

Front diff clunk?

Hi All,

Been searching through all the 'clunk' topics on here and other forums and there's so many possibilities!

Would anyone be kind enough to take a look at the attached video and let me know what you think?

I naturally assumed UJ clunk, but getting under there and having a good feel about, the UJ's feel pretty tight. I will do them anyway as I don't know their history, but they aren't part of the clunk.

Basically accelerating, if I'm not ultra smooth off the clutch, I get this clunkm especially when queing and stop starting ... I think I get it on a shift to, but to loud to hear.

The clunk seems to be diff based, but front left wheel, there's quite a pronounced clunk to. There's no movement in the diffs input in terms of up, down, left and right etc. Just rotational ...

Is my diff fubard?

On a side note, I put diff locks on today just to try them (only been driving the landy for a week although had it for a while) and the light came on. then turned off and dropped it back into normal high ... Then when I moved it, I thought I'd try again, but this time no light came on? The change lever is very sticky to!

Like I say, that's just a side question, the main one is the clunking :p!?

Video of Clunk:

(This forum have an embed video input? All the usual dont work!?).

29th Sep 2013 3:19pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Thats normal right? you can adjust the back lash reducing free play I once spent alot of time on a defender adjusting each diff tightning up gear selector diff and refitting output and hubs all felt very perfect

29th Sep 2013 5:09pm

taazzukcb

Member Since: 30 Aug 2013
Location: Derbyshire
Posts: 663

A little backlash is normal and required I know

, but this isn't a normal amount

...

It's certainly a very harsh clunk and not within the 'normal' relms

...

How does one adjust?

29th Sep 2013 5:13pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Get a workshop manual it'll walk you through it mate. Mine needs adjusting too as mine chunks like yours just very short in time lol

29th Sep 2013 5:25pm

taazzukcb

Member Since: 30 Aug 2013
Location: Derbyshire
Posts: 663

Got one, been through it several times, but not found anything under "Adjustment" in terms of diff backlash!?

Literally just looked through the front diff re-build section to!

29th Sep 2013 5:29pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

There is a grub screw/bolt inside that moves the diff Pinion in or out. There is a measurement for the gap in the teeth. Wow its been some years since transmissions on my mechanics course lol. Perhaps ill have To make time to adjust mine sooner then o I can publish a how to

29th Sep 2013 5:34pm

taazzukcb

Member Since: 30 Aug 2013
Location: Derbyshire
Posts: 663

Ahh you mean the crownwheel clearance!

That could sort the problem, just not sure it 'feels' like its that easy a fix, but worth a shot non the less! Would save me a lot of money because I would no doubt somehow talk myself into some lockers if the diff was gone

...

29th Sep 2013 5:34pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Pow! sorry used the wrong term crown wheel adjustment but its called back lash this thrwad explain. Allhttp://www.lrrforums.com/showthread.php...and-pinion

29th Sep 2013 5:38pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

http://www.lrrforums.com/showthread.php?71...and-pinion

29th Sep 2013 5:41pm

taazzukcb

Member Since: 30 Aug 2013
Location: Derbyshire
Posts: 663

Yep, got the link working, that pirate 4x4 link is nice! Like looking at pictures does I

!!!

Hmm ... Maybe worth a go one weekend!

Sorry for my confusion of terms there, not the greatest with words

29th Sep 2013 5:45pm

theorangebandit

Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Could partly be my fault as I learned my basic skills in the army. My assumption that a workshop manual was incorrect as apparently its not a normal workshop job. The pirate link really lays it out lol I too require picture stimulation lol. certainly demonstrates how to adjust although the thread is about replacement

29th Sep 2013 5:48pm

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