AuthorTopic: Let down  (Read 6884 times)

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Offline disco 1 tdi

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Let down
« on: May 15, 2010, 12:08:41 »
Thursday night i was driving home from work enjoying the sun and thinking how reliable my disco had been and the posibility of a mini expedition later in the year!

Think i must of tempted fate, the Land Rover gods were not happy with me for whatever reason :( i pulled up at some traffic lights and as i went to pull away there was a horrible thud which was followed by a sickening grinding gravely noise. The clutch seemed fine and it felt like it was going into gear but as i lifted the clutch nothing  :shock: just the grinding deep graveling noise. all of which happend outside a highschool.

Anyway some friendly boys gave me a push into the school car park. then i made the call to my breakdown cover. an hour and a bit later dad turned up in his v8 90 and towed me 25 miles back to his. On closer inspection theres no obvious damage or oil leaks which makes me think gearbox. Has anyone else had similar problems?

Where do i need to start? guessing the engines gotta come out? any advie apreciated

Toby

Offline Frankie-Boy

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Re: Let down
« Reply #1 on: May 15, 2010, 12:47:45 »

You might have blown a diff, try putting the centre diff in and see if it moves then.
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Offline Saffy

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Re: Let down
« Reply #2 on: May 15, 2010, 13:01:24 »
FIngers cross it what the man ^^^^^ says .........but disco1 though......... might be the input gear splines or worse the shaft itself. Early LT230 tranny had poor lubrication of the shaft splines, later ones had cross drilled input gears that allowed oil to reach shaft splines. https://docs.google.com/Doc?docid=dhfmtstj_0ghdpj7jh&hl=en
.swonk eno oN .esoht dna eseht ,siht dna taht ,wollof ot selur emos teg eW

Offline disco 1 tdi

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Re: Let down
« Reply #3 on: May 15, 2010, 13:32:48 »
Cool, i'll have a good read.

Im pretty sure that we didnt get drive in any gear inc props not moving

Offline disco 1 tdi

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Re: Let down
« Reply #4 on: May 16, 2010, 21:22:19 »
all bar one bell housing bolt removed. the hardest one to get to has rounded  :evil:

any ideas??

Offline Saffy

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Re: Let down
« Reply #5 on: May 16, 2010, 21:28:08 »
how come you taking gearbox out? hopefully not to inspect the input gear.... as you just need to remove the PTO cover on the back of the box and look inside - remove the retainer and the input gear will pull out.

Try hex socket instead of crappy multipoint sockets on the bolt head.
.swonk eno oN .esoht dna eseht ,siht dna taht ,wollof ot selur emos teg eW

Offline mark-d

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Re: Let down
« Reply #6 on: May 16, 2010, 22:04:58 »
does it do it in both high and low?

Offline disco 1 tdi

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Re: Let down
« Reply #7 on: May 16, 2010, 22:17:17 »
yeah just no drive

Offline Disco-Ron

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Re: Let down
« Reply #8 on: May 16, 2010, 22:44:34 »
I think you've been a bit hasty to take the entire gearbox out, it is a guess possible for it to be the input shaft into the nain box that has gone, butas said, most likely the intout into the transfer box.... which is a much simpler job!!

It pasy to research things fully before you get your spanners out, esp on something as awkward as taking a disco g box out!
gone from 200tdi.... to 300tdi... still with loads done to it, in fact, even more than the last truck...LOL!!!

Offline Dr Neil

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Re: Let down
« Reply #9 on: May 17, 2010, 20:40:51 »
Where abouts are you located??

As was suggested did you try engaging difflock and see if you have drive??
200tdi over 200kmiles
+2"lift.
Procomp Es9000 shocks
235 MT's on silver modulars
diff guards
tank guard
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twin batteries with Paidia4x4 split charge system
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Offline disco 1 tdi

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Re: Let down
« Reply #10 on: May 17, 2010, 22:29:51 »
yeah thanks for the advice,  :clap:

Offline disco 1 tdi

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Re: Let down
« Reply #11 on: May 17, 2010, 22:31:24 »
hi dr neil, did try diff lock and there was no drive

Offline stretchy

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Re: Let down
« Reply #12 on: May 18, 2010, 14:24:40 »

hes right in takeing the gear box out if there is no drive in all gears and no props moveing as both in and output shafts needs to be cheked. sounds to me like the output shaft chap I have had this hapen twice to me now both on lt77 its no good just replacing one you need new out put and input ring on the t box as both will have damage  ... before it went was there an bit of a clunk when taking up drive or sticking it in reverse ???

stretchy
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Offline disco 1 tdi

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Re: Let down
« Reply #13 on: May 18, 2010, 17:54:49 »
yeah more like a bang than a clunk  :shock:

figured it would need to come out either way but now got a bolt rounded right at the top of the bellhousing close to the bulk head.

Sure we'll figure something out. am toying with the idea of keeping the disco for parts and transfering engine (i know its not straight forward, will need differnt mani etc)
into a 90 if a can find a subitable one ie, cheap

Offline les baty

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Re: Let down
« Reply #14 on: May 18, 2010, 19:45:12 »
hi, i had a mate round off the top bolt on my disco, i got it out by hammering a smaller socket on to it, a bit barbaric i know but it got over the problem, also i never replaced the top bolt and never had any problems
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Offline stretchy

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Re: Let down
« Reply #15 on: May 18, 2010, 19:48:48 »
cheap 90 ?? good luck with that lol... hmmm my advice on the rounded nut would be to remove the cross member on the gear box and lower it down on a jack this will cause the engine to tilt back slightly giveing you a bit more room at the top. I would then try and get 1 size smaler socket and hamer it onto the rounded nut. this may damage the socket so dont use one out of your best set. I have a big box of odd sockets that I use thease for and normaly this works. yes im prety sure its the out put shaft.
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Offline disco 1 tdi

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Re: Let down
« Reply #16 on: May 18, 2010, 20:58:02 »
its crazy the kinda money they hold, phoned up bout a few today. surprise surprise gone in no time. Im gonna attack the disco again on sat if the weather holds out. I will prob give the socket and cross member idea a go.
 


Offline Dr Neil

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Re: Let down
« Reply #17 on: May 18, 2010, 21:17:14 »
Where are you located??
200tdi over 200kmiles
+2"lift.
Procomp Es9000 shocks
235 MT's on silver modulars
diff guards
tank guard
Paidia4x4 winch bumper.
Discoparts HD rear bumper.
Champion 10000N winch
CB and CDplayer
Safari snorkel
modified turbo actuator vac pipe pick up.
twin batteries with Paidia4x4 split charge system
roof lightbar

Offline disco 1 tdi

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Re: Let down
« Reply #18 on: May 18, 2010, 21:34:52 »
norfolkshire

Offline Dr Neil

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Re: Let down
« Reply #19 on: May 19, 2010, 21:09:51 »
Sorry mate a bit too far for me to pop round and help, good look though.....
200tdi over 200kmiles
+2"lift.
Procomp Es9000 shocks
235 MT's on silver modulars
diff guards
tank guard
Paidia4x4 winch bumper.
Discoparts HD rear bumper.
Champion 10000N winch
CB and CDplayer
Safari snorkel
modified turbo actuator vac pipe pick up.
twin batteries with Paidia4x4 split charge system
roof lightbar

Offline disco 1 tdi

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Re: Let down
« Reply #20 on: May 19, 2010, 21:23:10 »
cheers anyway,

Offline les baty

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Re: Let down
« Reply #21 on: May 19, 2010, 22:05:54 »
just keep an eye on the pipes and wires on the bulk head when you remove the cross member and lower the box, there isnt a lot of room behind there and the engine will touch the bulk head when the box is lowerd
One Les Live It!!!!!

Offline disco 1 tdi

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Re: Let down
« Reply #22 on: May 25, 2010, 21:23:45 »
Attackd the disco at the wkend, got the transfer box off and it turns out my output shaft is missing most of the splines!  :evil:

Also this seems to have created a pretty evil grinding paste and mullered the inside of the input gear. The next step will be to remove the engine. its now stripped, alternator, wiring loom, pas pump etc to try and make it a bit easier. Dam that bolt!

Am planning on rinseing the transfer box out, can anyone recomend a subtable liquid?   :huh:

recon box is on the cards, most likely ashcroft.

Target is to have it back on the road for billings

Offline Saffy

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Re: Let down
« Reply #23 on: May 25, 2010, 21:31:49 »
There you go I scored with the diagnostic *clap* Could have fault found that with removal of the pto cover and 20 minutes effort at most. Good luck with the repair. Rinse box out with paraffin maybe - what I'd use start with anyway, replacement cross drilled output gears are peanuts for most boxes.
.swonk eno oN .esoht dna eseht ,siht dna taht ,wollof ot selur emos teg eW

Offline disco 1 tdi

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Re: Let down
« Reply #24 on: May 25, 2010, 21:37:45 »
yeah you right could have told from taking that off but it would have to come out anyway, i will be getting one of the newer gears with the oil holes  :D pitty LR didnt think of that first time round.

Offline Saffy

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Re: Let down
« Reply #25 on: May 25, 2010, 21:45:42 »
yeah you right could have told from taking that off but it would have to come out anyway, i will be getting one of the newer gears with the oil holes  :D pitty LR didnt think of that first time round.
whats the mileage on it anyway, seems like it lasted a long time. They released a mod with a plate to splash oil into gear supposedly, dunno if it was a recall though. No need for the expense of an ashcroft box though. plenty of low milage boxes L230 out there from breakers and the likes. I got a disco box on my defender from a D2 td5 low miles for about 50 quid, took a while in the yard to find one with both low box and difflock on though as they removed it on later d2's.
.swonk eno oN .esoht dna eseht ,siht dna taht ,wollof ot selur emos teg eW

Offline disco 1 tdi

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Re: Let down
« Reply #26 on: May 25, 2010, 21:52:18 »
112K i bought it at 85K was in very good condition, has had all oils change reguarly since

Offline disco 1 tdi

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Re: Let down
« Reply #27 on: May 30, 2010, 16:39:02 »
Got the box seperated from the engine today  :grin: managed to pull engine forward enough to chisel the rounded nut at the top of the bell housing off. jacked the car up a bit and pulled the gearbox out, piece of cake. just a big clean up job now, a fair bit of oil about (will change crank oil seal).

Offline disco 1 tdi

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Re: Let down
« Reply #28 on: June 04, 2010, 20:34:43 »
Got my new box yesterday, superquick service from ashcroft, Much appreciated! Looks great and cant wait to get it on  :dance:

Pitty still waiting for the flywheel bolts from rimmer, !!!

Anyone used a britpart HD clutch before, read a few bits about differnt clutches inc borg and beck (now ap?) and seems they either go pretty quick or last for ages.

Iterested to know what the standard clutch was? The one that came out was Valeo looked pretty good

Offline les baty

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Re: Let down
« Reply #29 on: June 05, 2010, 12:21:03 »
ive used valeo before and never had any problems, while its all in bits weld a washer on to the clutch fork where it pivits in the bell housing, its quite common for them to fail and you dont want to be pulling it all apart again to fix it
One Les Live It!!!!!

 






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