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How can you tell when clutch dying?

Tech Talk for Nissan owners.

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Posts: 37
Joined: Fri Oct 08, 2004 7:57 pm
Location: Perth WA

How can you tell when clutch dying?

Post by GQGasPig »

Hi All,

I have a 91 GQ wagon with 287,000kms and still going strong :armsup: . A few months ago I noticed (I am a bad man I do not look under the bonnet that often :twisted: ) the clutch fluid level dropped gradually from high to close to low as per the markers on the reservior.

I checked for leaks everywhere and found none, the slave cylinder was reconned 5 years ago and shows no sign of leakage. I drew a line on the reservior with an artline at the level of the fluid and checked it regularly. It never moved and the clutch is not slipping or showing signs of being worn out.

I have had the GQ for almost 7 years and have not put a new clutch in it and it does not get a hammering all that often (except when we go away a few times a year) and mostly putts around locally. When the car was serviced a couple months ago the mechanic topped up the reservior (even though I did not ask him to (excellent service compared to some places I have used in the past) still no probs with clutch and fluid levels are not dropping.

Later this year we are planning a trip away towing a 1 tonne Jayco camper trailer from Perth to the NW of WA I just want to know if I should be concerned abut the clutch dying based on what I have said above :?:

Cheers
GQGasPig
Posts: 191
Joined: Thu Dec 07, 2006 8:56 pm
Location: Sunny Coast

Post by killer_garden_gnome »

make sure ur master cylinder isnt leaking back thru itself, i had this happen on 2 of 3 of my patrols, one leaked back into the cab and under the carpet so from a quick check i didnt notice anything and couldnt figure out what was goin on and the other leaked back into the vacuum diaphram for the booster but it started to weap from where the cylinder bolt to the booster.

just an idea
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Location: Hobart

Post by macca81 »

if you put your foot down and the revs go up easily but the vehicle takes time to respond, then your clutch is goin.
if you do the above and the revs fly up and the vehicle just keeps on going on its merry way with no change in pace, then your clutch is gone...



i found out the hard way... so if you notice it slipping at all, get it fixed... its no fun driving 50km back to civilisation doing 0-80kph in 15 minutes... its a long trip... also dont recomend snatching someone for 50m outa a very sticky bog while going up a steep hill... apparently that wears ya clutch out rather quickly :P
[quote="Barnsey"]
Bronwyn Bishop does it for me.[/quote]
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Joined: Fri May 26, 2006 4:31 pm
Location: Sunshine Coast, QLD

Post by Mulisha »

macca81 wrote:if you do the above and the revs fly up and the vehicle just keeps on going on its merry way with no change in pace, then your clutch is gone...
I found this problem out last friday when i got my car back from a dyno and now when ever i hit boost the car will rev up and when i take my foot off the throttle it will try and keep driving :? :? :?

I was told it could be my gearbox (hope not)
It was the pressure plate on my clucth just giving way becuase i tripled my hp and 6x as much tourqe at the rear wheels and i got a standard clucth by the way that has done 180K :lol: :lol:

I hope it's the clucth and i can get hold of one that will stand up to my needs :D

Cheers

Rick..

(Sorry for the hijack!!)
:oops: :oops:
Posts: 898
Joined: Wed Nov 29, 2006 6:16 pm
Location: Melb S/E

Post by NutterGQ »

Mulisha wrote:
macca81 wrote:if you do the above and the revs fly up and the vehicle just keeps on going on its merry way with no change in pace, then your clutch is gone...
I found this problem out last friday when i got my car back from a dyno and now when ever i hit boost the car will rev up and when i take my foot off the throttle it will try and keep driving :? :? :?

I was told it could be my gearbox (hope not)
It was the pressure plate on my clucth just giving way becuase i tripled my hp and 6x as much tourqe at the rear wheels and i got a standard clucth by the way that has done 180K :lol: :lol:

I hope it's the clucth and i can get hold of one that will stand up to my needs :D

Cheers

Rick..

(Sorry for the hijack!!)
:oops: :oops:


Excedy Safari Tuff clutch pressure plate and bearing is around $595 should happily hold what you have, i'm not even using that model and mines great.
Posts: 14668
Joined: Mon Aug 29, 2005 7:10 pm
Location: western shitney

Post by j-top paj »

when your doing 120kph in 3rd and you flat change to 4th and it goes crunch :x

my clutch has been "on its way out" for a while now.
i finally got my new clutch today and gona get it fitted on thursday.
sorry for the hijak but how do i know that the "premium" clutch i got is actually that?
i too it outa the box and was a little supprised actually.
i was expecting to see heaps of "meat" on it like a brake pad but it looked like it had fark all on it :? i bought a second hand clutch from a wreckers years ago when i was on my Ps and it looks like it the same as that old one :?
or is it got more to do with the pressure plate or something?
Banzy wrote:Dial up internet.........you'd post something and come back 2 beers later to see if it loaded.
my GU
Posts: 2186
Joined: Wed Oct 01, 2003 9:11 pm
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Post by +dj_hansen+ »

Mulisha wrote:
macca81 wrote:if you do the above and the revs fly up and the vehicle just keeps on going on its merry way with no change in pace, then your clutch is gone...
I found this problem out last friday when i got my car back from a dyno and now when ever i hit boost the car will rev up and when i take my foot off the throttle it will try and keep driving :? :? :?

I was told it could be my gearbox (hope not)
It was the pressure plate on my clucth just giving way becuase i tripled my hp and 6x as much tourqe at the rear wheels and i got a standard clucth by the way that has done 180K :lol: :lol:

I hope it's the clucth and i can get hold of one that will stand up to my needs :D

Cheers

Rick..

(Sorry for the hijack!!)
:oops: :oops:
Mulisha, grab yourself a diesel fly wheel and a 4terrain clutch... higher clamping pressure, will bolt straight on :D
Cheers,
Dan.

[i]1996 HDJ80R[/i]
Posts: 3237
Joined: Sun Aug 21, 2005 7:24 pm
Location: victoria point qld

Post by dirtyGQ »

Mulisha wrote:
macca81 wrote:if you do the above and the revs fly up and the vehicle just keeps on going on its merry way with no change in pace, then your clutch is gone...
I found this problem out last friday when i got my car back from a dyno and now when ever i hit boost the car will rev up and when i take my foot off the throttle it will try and keep driving :? :? :?

I was told it could be my gearbox (hope not)
It was the pressure plate on my clucth just giving way becuase i tripled my hp and 6x as much tourqe at the rear wheels and i got a standard clucth by the way that has done 180K :lol: :lol:

I hope it's the clucth and i can get hold of one that will stand up to my needs :D

Cheers

Rick..

(Sorry for the hijack!!)
:oops: :oops:
direct clutches at albion make a clutch with a different pivot angle on the clutch pressure plate and is supplied with a heavy duty daikin clutch plate....mine has lasted 6 years so far and copped a very hard time
THE GRASS MAY BE GREENER ON THE OTHER SIDE BUT YOU STILL GOTTA MOW IT.
Posts: 214
Joined: Sun Jul 06, 2003 4:02 pm
Location: WA

Post by Zac Zec »

j-top paj wrote:when your doing 120kph in 3rd and you flat change to 4th and it goes crunch :x

my clutch has been "on its way out" for a while now.
i finally got my new clutch today and gona get it fitted on thursday.
sorry for the hijak but how do i know that the "premium" clutch i got is actually that?
i too it outa the box and was a little supprised actually.
i was expecting to see heaps of "meat" on it like a brake pad but it looked like it had fark all on it :? i bought a second hand clutch from a wreckers years ago when i was on my Ps and it looks like it the same as that old one :?
or is it got more to do with the pressure plate or something?
got everything to do with the pressure plate. If you flat change gears and it crunches it would more than likely be your syncros not the clutch
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Joined: Sun Feb 11, 2007 4:50 pm
Location: Hobart

Post by macca81 »

Zac Zec wrote:
j-top paj wrote:when your doing 120kph in 3rd and you flat change to 4th and it goes crunch :x

my clutch has been "on its way out" for a while now.
i finally got my new clutch today and gona get it fitted on thursday.
sorry for the hijak but how do i know that the "premium" clutch i got is actually that?
i too it outa the box and was a little supprised actually.
i was expecting to see heaps of "meat" on it like a brake pad but it looked like it had fark all on it :? i bought a second hand clutch from a wreckers years ago when i was on my Ps and it looks like it the same as that old one :?
or is it got more to do with the pressure plate or something?
got everything to do with the pressure plate. If you flat change gears and it crunches it would more than likely be your syncros not the clutch
X2, a worn syncro will get ya every time here, im currently driving a 2 yr old VW van daily at work with a worn syncro in 2nd, it sucks balls, big time... gotta remember to get the revs right all the time :P
[quote="Barnsey"]
Bronwyn Bishop does it for me.[/quote]
Posts: 14668
Joined: Mon Aug 29, 2005 7:10 pm
Location: western shitney

Post by j-top paj »

its fine at lower rpm.
the clutch is definately stuffed but im getting it fixed on thursday :armsup:
and a set of xfer gears put in at the same time :armsup: :armsup: :armsup:
Banzy wrote:Dial up internet.........you'd post something and come back 2 beers later to see if it loaded.
my GU
Posts: 603
Joined: Mon Nov 08, 2004 6:19 pm
Location: Mt Isa

Post by raptorthumper »

Hey J-top,

I would remove the shifter cover and back section of your gearbox and check the condition of 5th gear splines. Doesn't take long. If they look at all worn get the new stronger 5th gear and main shaft for your gearbox.
98 GU Patrol. 4.0L Barra, BF engine. 3" Lift. 85% Marks reduction Gears. 35x12.5x15 Maxxis Bighorns, 3" Zaust.
http://www.outerlimits4x4.com/viewtopic.php?f=16&t=86831&start=210
Posts: 14668
Joined: Mon Aug 29, 2005 7:10 pm
Location: western shitney

Post by j-top paj »

its getting done at a mechanics, so il let him know to check it out when he takes the box of.
thanks for that i forgot about the 5th gear problem
Banzy wrote:Dial up internet.........you'd post something and come back 2 beers later to see if it loaded.
my GU
Posts: 214
Joined: Sun Jul 06, 2003 4:02 pm
Location: WA

Post by Zac Zec »

j-top paj wrote:its fine at lower rpm.
the clutch is definately stuffed but im getting it fixed on thursday :armsup:
and a set of xfer gears put in at the same time :armsup: :armsup: :armsup:
It would be fine at lower rpm unless the syncro is totally f!#ked
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