More Disco.. what's going on?

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Hello there Col, sorry to hear of your continuing troubles, but to at least one degree you have brought it on yourself.

When we spoke about the broken glowplug I said to you to leave it as it is - as it will be safer than having it drilled out and messed with. As for the glowplug "expert" saying any swarf will just get blown out the exhaust valve well that's just lazy crap!!

The only way to be sure that there is nothing in there is to take the head off !!

Re the crankshaft pulley (Torsional damper) it is a composite of rubber and steel and sometimes - as it sounds like yours has, starts to come apart. This needs resolving quickly to avoid any other damage. Go to your nearest scrappy and pick one up for next to nothing, as a brand new one is listed at £122.81+vat :eek:

Dave

Hi Dave

I was typing my above post as you were posting.

Yeah I probably have brought it on myself. Like I said ... these guys are supposed to be the experts in Stoke. There's actually a place here in Kidsgrove that always has Discos for sale and does lots of work on them but he keeps saying he couldn't look at it for a couple of weeks. I know it would have probably been worth waiting.

Ok so I need to get this pulley changed ASAP. I'll have a go.

Thanks fella

Col

PS ...

Re the scrappers ...

I was reading last night that these are a pain to get off without a special tool and that the best way is to put the socket bar under the chassis and turn engine over to break nut ( with power off stop solenoid ). At the scrappers I won't be able to turn engine? Any ideas?

Col
 
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Hi Dave

I was typing my above post as you were posting.

Yeah I probably have brought it on myself. Like I said ... these guys are supposed to be the experts in Stoke.
Col

NO you didnt - yu worked on the best available info at the time - yu are now wiser and can impart that info to others.

buy a new pulley - not worth the risk and agro in a second hand one. Ask Si or Nathan
 
NO you didnt - yu worked on the best available info at the time - yu are now wiser and can impart that info to others.

buy a new pulley - not worth the risk and agro in a second hand one. Ask Si or Nathan

Cheers buddy.

I'd just made a noose out of the old serp belt and was standing on a stool writing my " Goodbye cruel world " letter ...

I'll get onto this pulley. If I'm just changing the pulley can I do that from underneath?

Col
 
As Drippy ^^^ up there said, best to do timing belt at same time - I would remove radiator and cowl so yu can get at stuff easier, but it can be a bit of a bitch job. See if anyone on here local can give yu a hand. If yu do decide to do belt - beg, borrow or buy a timing belt tool kit - it will save yu money long term.
 
Yup I get it guys ....

The new guy who has just bought his first Landrover has probably been stitched up by blokes who may not have done it the way you lads would.

It's a week or so before Christmas and it's been just a tad cool around here lately. I need the car to pick children up from train stations coming home for Christmas and to buy trees, presents and all that nonsense. It's not the perfect time for me to be educating myself in the wonderments of DIY Landrover repairs and start stripping engines.

In hindsight I should have just left it on the 3 glowplugs until it was more convenient ... but hey ho ... clocks don't go backwards. I'd hoped that the guy would whip out that glow plug and that would be one problem solved.

So ... anyone else want to join in the gloom and doom ( I'll even provide my own crucifix and stakes ) or any chance of some advice on what to do next?

The car started first turn this morning and as far as I can tell the noise has now gone.

So I'm left for the moment with this pulley. I suppose it's take it off and see if the keyway is trashed?

Can I leave this for a couple of weeks or is that going to cause more damage?

Cheers

( Sorry for the sarcasm but it's been a nightmare year with cars ... just buying everyone else's problems ... but I suppose that's what you get when you are paying peanuts ).

Col


Seriously Col, I do feel your pain. It's good news that the noise has now gone so that's excellent.

All you need to do now is get hold of a Crankshaft Torsional Damper - as it officially called - crankshaft pulley to you and me.

Assuming that my diagnosis is correct - To do the job you will need to remove the viscous fan; remove the fanbelt; and undo the crankshaft pulley bolt.

Removing the viscous fan is best done with a viscous fan spanner - remember that the fans unscrews in a clockwise direction, it's a left hand thread - whilst someone holds the belt

Removing the fanbelt you know about;

From memory the crankshaft pulley bolt is 27mm and you'll need a long breaker bar to persuade it to come undone.. Put the car in car and handbrake firmly on before you start. Once you have it slackened off, remove it completely, then remove the pulley - put the new pulley on, tighten up the crankshaft bolt and put everything back together.

Crucial stages:

When trying to undo the crankshaft pulley bolt it is sometimes necessary to use brutal methods if you don't have the factory tools.

This is a way that some people use to get the bolt undone - first make a note of which way the bolt turns as the engine is turned over. Then take off the fuel solenoid lead that attaches to the injection pump - this will stop the engine from firing, which is what you need for the next stage.

Now put the socket on the bolt and the breaker bar with it's opposite end under the chassis, so that when the engine turns the bar will jam up against it.

Now go to the ignition keys , make sure the car is NOT in gear and just give them a quick flick to turn the engine over just a bit. There will be a bit of noise but it should have now slackened the bolt sufficiently so you can remove it.

Then swap over the 'new' pulley for the old one, put some loctite on the bolt threads and refasten the bolt as tight as you can possibly manage (car in gear again to stop the engine turning).

Hope that helps

Dave
 
It's a big help Dave. Thanks for taking the time to explain fella.

I've been reading that this is a common problem because people don't tighten it up properly. Apparently it needs tightening to 80 Nm torque. So I'll need to buy a decent torque wrench?

So for now just get a new pulley on and hope the camshaft keying isn't screwed?

Cheers

Col
 
Yup the thing that is wobbling around and throwing the serp belt off by a tooth and shredding the edge of it is the end camshaft pulley ( torsional dampener ).

I'm just concerned that it's wobbling so much that the keyway is knackered.

I'll get it off and have a look.

Thanks

Col
 
It's a big help Dave. Thanks for taking the time to explain fella.

I've been reading that this is a common problem because people don't tighten it up properly. Apparently it needs tightening to 80 Nm torque. So I'll need to buy a decent torque wrench?

So for now just get a new pulley on and hope the camshaft keying isn't screwed?

Cheers

Col


Hi Col it's 80N/m plus 90°, so to achieve that you'll need a long bar.

I'm sure I've seen elsewhere a figure of 350 N/m for this bolt, but I can't lay my hands on it for the mo.

Make sure you loctite this sucker - you don't want it coming undone accidently.

Dave

Ps I suspect you mean the CRANKSHAFT pulley torsional damper thingy.
 
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Hi Col it's 80N/m plus 90°, so to achieve that you'll need a long bar.

I'm sure I've seen elsewhere a figure of 350 N/m for this bolt, but I can't lay my hands on it for the mo.

Make sure you loctite this sucker - you don't want it coming undone accidently.

Dave
beat me to it:D
 


Well ...

It's died.

The good news ( if there is any ) is that it was freezing yesterday morning and it started 1st time. So I don't know if that extra glowplug has made a difference ( I know folk say you don't really need the plugs on Discos ) but it started fine.

Now the very bad news ...

Off to Hanley to try and buy some presents ( got none yet ). On the way we call in at ATS tyres to get an innertube fitted in the flat tyre ( spare now on ). Their fitter refused to fit the tube as he said it needed a new tyre. I insisted he put the tube in as I wasn't going to spend on a new tyre when the crankshaft is falling bits and it's due MOT 2nd Jan. The manager agrees with me and tells the guy to fit the tube. The tyre has a few small 'cracks' in the side which they said meant it needed new tyre.

Anyway ... least of my worries. We get to Hanley and the noise from under the bonnet is now dreadful. I decide we have to head back home. We get literally 100 yards from home ( Hanley is about 7 miles ) and the dashboard lights up and I've lost power steering. We get home and up drive.

I take off the belt and the crankshaft pulley now just turns freely ... so it's not turning the belt and driving the water pump, pas etc. So presumably there's not a lot left of any keyway.

It's now parked up the drive and it's blowing a blizzard up this 'mountain' with a few inches of snow .. and a tad cold.

So I suppose the 1st thing ... when the weather is better ... is to try and get the bolt off and get the pulley off and see what's left of the shaft. I'm presuming this isn't going to be just fitting a new pulley. I have to try and get the tools required.


I'm now wondering if the previous owner knew of this and has just bodged this and sold it. So goodness knows what they may have done ... just loctited pulley on? A small weld to hold it in place? I hope they haven't permanent loctited that bolt on and tightened it up to 5 million Nm.

Col

PS One more bit of 'good' news ? ...

... with that belt off so no pulleys turning ... ALL the 'other' noises seem to have gone. So that noise that I was hearing after that lad fitted the glowplug was probably a red herring and was actually coming from the pulley area. The engine with the belt off actually sounds quite sweet.

Col​
 
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Cheers Bighit for that.

Well ...

It's died.

The good news ( if there is any ) is that it was freezing yesterday morning and it started 1st time. So I don't know if that extra glowplug has made a difference ( I know folk say you don't really need the plugs on Discos ) but it started fine.


Col

PS One more bit of 'good' news ? ...

... with that belt off so no pulleys turning ... ALL the 'other' noises seem to have gone. So that noise that I was hearing after that lad fitted the glowplug was probably a red herring and was actually coming from the pulley area. The engine with the belt off actually sounds quite sweet.

Col​


Errr well that's goods news isn't it??? :behindsofa:
 
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