B

ben waine

Active Member
Although my front prop needs attention it wasn't the cause of the squeek!
I have realised that I have a few differnt ones.
1) is a fanbelt type noise, my fan belt is new ish and still suitably tight so any ideas in that one?
2) there is an occasional clunk from the rear when I take you drive, particularly form reverse to 1st
3) sometimes when accelerating I get a grinding, not like when you don't use the clutch and gears grind, it sounds more like bearing prehaps

Problem is that all of the issues only happen when driving and even then are intermittent, but as days go by they are getting more regular :mad: also this is my only transport :(
 
Are the wheel bearings ok? Also is the handbrake adjusted correctly? Mine started binding after it had been sat overnight in a damp field, result was vibration and clunking in first and reverse. Had to check everything (props, diffs, shafts the lot), took it for a spin and the problem had gone (typically) was a right pain to work out what the hell it was though.

Land Rover fault diagnosis is a very useful skill of which I am lacking unfortunately, I have to rely on my granddad to teach me his little tricks
 
Fanbelt squeak usually gets worse when you load the alternator - try turning the lights on and off and see if it makes a difference.
Clunk from the rear could be binding hand brake, worn propshaft splines or worn diff, possibly the gearbox output shaft. Try rotating and wiggling the two halves of the propshaft with the gearbox in neutral and the hand brake off (chock the wheels....) and see where the play is.
Lift each wheel off the ground and check for excessive play in the wheel bearings (rock top of wheel backwards and forwards)
Make sure the gear box, transfer box and diffs are properly filled with the correct oil.
If the gear box is fubared you'll have to ask a grown up - I chickened out when mine broke and got a recon!
 
The clunk is likely wear in the drive train being taken up, always ease out the clutch on old vehicles even between gear changes on the move[helps them last longer] Jack each wheel in turn spin by hand and feel/listen for the problem.
 
I have topped up the gearbox and axles with ep90, sounded abit better but I didn't get much of a test drive so can't tell yet!

Checked the rear prop, there is rotational movement in the sliding joint but I can hear it and not visablly see the movement, so I don't think its that, also the UJ's seem ok.


I've looked at the bushes and there's no visible wear, and the noises don't seem to appear while going over bumps so I don't think it's them.

The rear diff has about 1/8 of a turn 'lock to lock' if you like, I'm not really sure what is acceptable on diffs as I know they will always have some play. Any advice on that one?

Tomorrow I should get chance to check all wheel bearings, which personally I think is the main cause, as I've noticed an increase in vibrations while driving at 50ish, I did check them not that long ago so If there is a problem, my reckoning is a bearing is becoming dry, or has somehow became wet with water.

Anyway I shall report back tomorrow chaps!
 
I think less than quarter of a turn is acceptable on the diff (I seem to remember seeing that somewhere)
 
Series on the whole do not have suspension clonk's as you drive off even when the bush's are foobar,and samc88 is correct that less than a quarter turn is ok however this amount of movement can result in a good "clonk" when changing from reverse to forward.
 
I think the clonk is as you say tottot, after me playing with the prop today! Thanks for the info about back lash, hopefully it's having it's time of the month and will go away, or more likely to be just bearings!
 
Yes it was. I only did it to sort the whine which drove me a bit mental, but I noticed the backlash was a lot better than previous diff also and I had smoother changes as a result. I'm not sure how you would tell if the backlash is too much with the diff in front of you but if you can find a 'good' used one off ebay, then its a 30 minute job to fit.

I was lucky as there was a bloke nearby doing a coil conversion on his lightweight, so he was selling the axles. I'd bought some other bits off him which were good so when he said the diff had 'minimum backlash', it turned out to be true! Having said that, you can't trust no bugger these days, much like the f****ing c**t who sold me something recently and told me a pack of lies. Sorry, I'm bitter.:D

Good luck!
 
If looking for a replacement for a series, try and get one from a front axle as they spend most of the time in rear wheel drive only with front diff turning with no load and so little wear.[even better from one with free wheel hub's]
 
I don't think I'll be doing a diff swap, especially as what I saw on eBay was about £60+ quid for anything worth considering.
After having a better look today, I've realised it is a UJ on the back axle that's knacked (yes I was wrong when I said it seemed fine:( ) I would've attempted this tonight but as I currently don't have a front prop and need to get to work tomorrow I thought it's safer to leave for a few days:)
I'm hoping that on Friday when my front prop arrives at landranger services in Fenton I can ask them to do my rear prop UJ's
 
As has been said front one will have less wear so if you want to swap diffs without spending anything, I assume you could just swap the front one to the back one
 
Think this is correct Sam but tbh the whine isn't a major concern to me, so long as it doesn't go bang or stop working I'm used to it.
It's the drivetrain vibration that concerns me more as I think they are closer to failure
 
Check the handbrake and if the problem persists I think vibration is generally the propshaft failing
 
Ok back UJ on back prop done, running very sweet
Although on the way to the garage, while leaving a roundabout my back axle decided it only wanted one wheel instead of 2, I managed to get onto the verge and then go exploring for my tire, luckily found some of the wheel nuts up the road, and I couldn't lift the axle because it was stuck in the grass, a very nice man in a HIAB stopped, put a chain around my towbar and lifted me up, wheels back on then on the the propshaft specialist!
Very large thanks to that stranger !
 
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