Help! Do you think it's my clutch?

the.oak · Feb 27, 2012

hi all
I have a disco 300tdi. It will go into gear fine, but when i lift the peddal it grinds as it bites, like a gear grind/crunch.

Do you think it's my clutch that has gone, or maybe the release bearing?
Either/or? they both come with a new clutch kit.

I'm about to start ringing around garages for quotes. I just wanted to rule out anything else. It drives fine once in gear and clutch peddel up, no probs.

I'm just slightly confused as it hasn't given any of the usual clutch slip i've experienced before in other cars. Just gone straight to this rough crunch as the clutch grips or gears engage?

what do you reckon?

many thanks in advance

jamesmartin · Feb 27, 2012

does it do it when pressing clutch and releasing it when not in gear , or feel like something in drive chain

nrgserv · Feb 27, 2012

does it do it going into any gear from stationary, and when on the move?

the.oak · Feb 27, 2012

jamesmartin said:
does it do it when pressing clutch and releasing it when not in gear , or feel like something in drive chain

no it doesn't do it when not in gear. it is the same kind of crunch you'd get if you cock up a clutchless gear change. worse when going down the gears..

the.oak · Feb 27, 2012

nrgserv said:
does it do it going into any gear from stationary, and when on the move?

yes and yes !

jamesmartin · Feb 27, 2012

the.oak said:
no it doesn't do it when not in gear. it is the same kind of crunch you'd get if you cock up a clutchless gear change. worse when going down the gears..

but this noise while sounding like poor gear change,does it while already in gear but clutch at biting point

nrgserv · Feb 27, 2012

drop it into neutral on the transfer box, then try all mainbox gears and tell us if it still does it.
motor wont move anywhere, but try all mainbox gears inc reverse.

nrgserv · Feb 27, 2012

jamesmartin said:
but tghis noise while swounding like poor gear chaqnge does it while already in gear but clutch at biting point

pint of what you've had jim!
or do you have cows tit finger syndrome tonight?!

the.oak · Feb 27, 2012

jamesmartin said:
but tghis noise while swounding like poor gear chaqnge does it while already in gear but clutch at biting point

yes. any gear, 1 to 5, and R, and in low box all gears, and difflock on or off..

jamesmartin · Feb 27, 2012

nrgserv said:
pint of what you've had jim!
or do you have cows tit finger syndrome tonight?!

i was trying to type while answer kids questions at the same time

nrgserv · Feb 27, 2012

the.oak said:
yes. any gear, 1 to 5, and R, and in low box all gears, and difflock on or off..

neutral in transfer box?
this isolates rest of drive train, if it still does it points to clutch or gearbox.
if it dont do it, then lookin at transfer box props or axles.

the.oak · Feb 27, 2012

nrgserv said:
drop it into neutral on the transfer box, then try all mainbox gears and tell us if it still does it.
motor wont move anywhere, but try all mainbox gears inc reverse.

doesn't do it at all , in any gear with transfer box in neutral..

(thanks both
for on going help)

the.oak · Feb 27, 2012

Checked oil level in tranfer box. To my suprise

a couple of pints of oil poured out of the level/filler hole all over my drive ! God knows how someone filled it up so much?
There is play in the front prop, can rotate back and forth about 45degrees with hand (back prop solid, should front be the same?)

jamesmartin · Feb 27, 2012

does sound unusal from your description ,but definately worth checking gear box oil for contamination /debris ,whether anys gone into t/box shouldnt do but people silicone between the boxes so if rear seal leaks it cant run out between the two units as its supposed to

nrgserv · Feb 28, 2012

jamesmartin said:
i was trying to type while answer kids questions at the same time

lol!

the.oak said:
doesn't do it at all , in any gear with transfer box in neutral..

(thanks both
for on going help)

long shot at moment, just finished a call out.
pop hub nut caps off and get someone to watch the halfshaft ends while you make it "make its noise"
your looking for a halfshaft end turning inside the drive flange before vehicle motion occurs.
theory being the splines are worn on a drive flange.
will have a think on it before next post.

edit. its not the clutch, so dont take the box out. yet.
where abouts are you?

nrgserv · Feb 28, 2012

the.oak said:
Checked oil level in tranfer box. To my suprise a couple of pints of oil poured out of the level/filler hole all over my drive ! God knows how someone filled it up so much?
There is play in the front prop, can rotate back and forth about 45degrees with hand (back prop solid, should front be the same?)

was handbrake on?
was motor in gear and on an incline?
chock wheels, leave in neutral, handbrake off. should be a bit of wiggle in both props.

the.oak · Feb 28, 2012

nrgserv said:
lol!

edit. its not the clutch, so dont take the box out. yet.
where abouts are you?

I've just been on the phone to a local land rover mechanic (old school, wont touch anything newer than a 300tdi).
I described the symptoms and he reckoned it sounds like the disco may be on it's original valeo clutch, which is now breaking up. He reckons if i keep on driving it eventually it will become stuck in gear as the plates finally give up.

Sounds plausible? Are you sure it can't be the clutch?
Just had a thought - i was at a steep junction yesterday, and it did require a lot more effort to get the car moving - i.e clutch slip, with noise of course..

oh the trials of a land rover........

jamesmartin · Feb 28, 2012

could be difficult to say with your description but slipping on a steep junction would indicate clutch needs changing anyhow

the.oak · Feb 28, 2012

When a clutch is changed is this the time to change the fork as well?
i.e should i buy a kit including a replacement clutch fork? i wont be doing the work myself, just seriously fed up with garages charging a fortune for parts.

garage charged me £149 + vat for a timing belt kit, just the kit, 100quit more to fit!!

jamesmartin · Feb 28, 2012

yes ftc2957hd is best one to fit

Help! Do you think it's my clutch?

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