Uncooperative 3rd Gear Syncro

What were your warranty claims and recall information

Uncooperative 3rd Gear Syncro

Postby cruiserman_83 on Thu Aug 22, 2013 1:53 am

Hi All, Just had our 3rd gear Syncro replaced with 70000km on the Clock. Dealership is seeing approx one per month. fine on upshift but 3/4 time from 4th to 3rd it Baulks. Double clutch it and goes in every time. Anyone else come accros this issue?
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Re: Uncooperative 3rd Gear Syncro

Postby Orl247 on Thu Aug 22, 2013 5:13 am

Yeah I did with about 30000 on the clock exact same thing and had it replaced some of the others are a little sticky when cold but come good when it warms up
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Re: Uncooperative 3rd Gear Syncro

Postby aids84 on Thu Aug 22, 2013 5:43 am

One of the most common issues with the Tritons. They've changed the heat treatment on the 3rd/4th synchro hub now to stop the issue.
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Re: Uncooperative 3rd Gear Syncro

Postby 12tryton on Thu Aug 22, 2013 7:50 am

Mines starting to be a shitheap in 2nd and 1st,when its cold ,it wont go 2nd,and wont go 1st until cars has stopped completly
Warm its not as bad but still shyte,sometimes crunches going back or up into 2nd
Mines an aug built 2012 and has just clocked 9524k,yes not even 10,000ks yet,when i first got it it was crappy,replaced oil in box with synthetic which made a big difference,better changes but now its going back to its old cluncky box ways
So peed off with a new car thats worse to drive than my MK patrol
You take the high way,i'll take the by-way
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Re: Uncooperative 3rd Gear Syncro

Postby knotty5170 on Thu Aug 22, 2013 8:46 am

Had the 3rd and 4th syncro done at 35K, and roller hub bearings too,
Common issue- don't get angry with it and notify the service dept- they happily fix as it is common.
I got a new clutch plate apparently as it had excessive wear for 35k..
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Re: Uncooperative 3rd Gear Syncro

Postby Cowboy Dave on Thu Aug 22, 2013 12:43 pm

knotty5170 wrote:Had the 3rd and 4th syncro done at 35K, and roller hub bearings too,
Common issue- don't get angry with it and notify the service dept- they happily fix as it is common.
I got a new clutch plate apparently as it had excessive wear for 35k..
Knotty


Sounds like you have a good dealer - which one?
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Re: Uncooperative 3rd Gear Syncro

Postby mad992 on Thu Aug 22, 2013 6:44 pm

second that ,a new clutch at 35k wow what a dealer :) where are you anyway :roll:
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Re: Uncooperative 3rd Gear Syncro

Postby 12tryton on Fri Aug 23, 2013 8:46 pm

When i go for mines 1st service ill mention my clutch too
Still just under10k ,when i first got it the clutch took up just before half pedal travel,ive never towed a lthing yet,have not carried any loads in the back tray tub,most weight ive had in it is 4 medium people,now suddenly the clutch has just about dissapeared,engages right up the top of pedal travel,shes stock too with only an exhaust
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Re: Uncooperative 3rd Gear Syncro

Postby 12tryton on Fri Aug 23, 2013 8:49 pm

knotty5170 wrote:Had the 3rd and 4th syncro done at 35K, and roller hub bearings too,
Common issue- don't get angry with it and notify the service dept- they happily fix as it is common.
I got a new clutch plate apparently as it had excessive wear for 35k..
Knotty

Yeah gather this,but in a way,WHY? I mean why should anybody have to return cars, mn been out a cuppla yrs now,seems problems since ml,they should have a propper go at fixing by now :(
I like the trity but niggling problems bitter my taste :(
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Re: Uncooperative 3rd Gear Syncro

Postby arangie on Fri Oct 11, 2013 8:09 pm

My 2011 is booked in to get the gear box 3rd syncro done. 66k...... Warranty I'm told by dealer. ?..
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Re: Uncooperative 3rd Gear Syncro

Postby laurie27 on Fri Dec 13, 2013 2:13 pm

My 2011 also is going in for 3rd syncro. 55k on clock.. the dealer took one drive of it and didnt ness around to order the parts.
Warranty will cover the job & it will take 3 days to do.
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Re: Uncooperative 3rd Gear Syncro

Postby salt36 on Fri Dec 13, 2013 5:22 pm

It's a common problem alright, my work ute 2012 with 50K something and won't go into third gear on downshift 100% now, fine on upshift.......

Have to rev it during a double clutch to engage third gear on downshift, just like a Road Ranger non synchro box in a Truck :lol: :lol:
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Re: Uncooperative 3rd Gear Syncro

Postby GLX-R Alex on Fri Dec 13, 2013 5:44 pm

Never had a single gearbox issue with my ML at 90000km.
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Re: Uncooperative 3rd Gear Syncro

Postby laurie27 on Fri Jan 17, 2014 3:21 pm

Got the call that my parts are in.
They said maybe 2days to do as the Mech is getting used to doing them :D
I will see :!:
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Re: Uncooperative 3rd Gear Syncro

Postby hewy hacket on Sat Jan 18, 2014 5:18 am

Long story here,
Had mine repaired for the 3rd gear issue at about 75k, did a trip out to the corner country and half way round found I had no low range 4wd, got stuck in sand towing a camper and burnt the crap out of the clutch. When I returned took it to the dealers and they replaced the clutch and fixed the low range issue. About a 2 months later took a trip with my trailer, got home and found oil all up the back of the car, back to the dealers, found the input shaft seal leaking, repaired again. 1 month later picked up a caravan and on the trip home "yep you guessed it" oil at the back of the car again, back to the dealers, input shaft seal gone again "must have been a faulty seal" Hmmm. All repaired again, just back home this week will see how it go's. Only good news in all of this is every thing has been done under warranty with no questions asked even the clutch which was probably partially my fault, but it has been a pain putting the car in all the time as I am 100km from the dealers.
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Re: Uncooperative 3rd Gear Syncro

Postby salt36 on Sat Jan 18, 2014 6:20 am

GLX-R Alex wrote:Never had a single gearbox issue with my ML at 90000km.


This is a MN problem and quite common too.....

My MN work ute is now fixed, I had forgotten how much I use third gear :lol:
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Re: Uncooperative 3rd Gear Syncro

Postby har05l on Sat Jan 18, 2014 6:33 am

After 115k km's my gearbox and clutch for that matter are just fine :D
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Re: Uncooperative 3rd Gear Syncro

Postby Hondon on Sat Jan 18, 2014 7:21 am

hi guys I'm also having some gearbox issues with my 2011 mn while 3rd gear is ok problem is when it is cold and not upto temp yet it's very hard to go from 3rd to 2nd and also have to come to a dead stop to be able to select 1st...while it's not so much of an issue for me couse I no my ute pretty well but if some one else was to drive it I'd say they would go wtf is going on??but when it is at running temp it is faultless and is no problem... I can get it fixed through warranty no doubt but dunno if I want them tearing my ute to bits jst yet with only 20k on the clock...I changed the oil in the box the other day and it made zero effect,and the original oil wasn't that bad really..qstn is do I jst see how it goes or what is ppl advice on this one??oh and one other problem I had was when I was out in the bush some time ago something happened and I wasn't able to select any gear at all ??wtf ?.After mucking around with both leavers for a bit and rocking the ute and stuff it came good and never happened since any one else had this?
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Re: Uncooperative 3rd Gear Syncro

Postby Mustard67 on Sat Jan 18, 2014 9:38 am

Is the mn box same as the old rodeo box which you can only select 2nd under a certain speed? Just a thought.
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Re: Uncooperative 3rd Gear Syncro

Postby Hondon on Sat Jan 18, 2014 10:12 am

no mate ...
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Re: Uncooperative 3rd Gear Syncro

Postby biggibbo on Sat Jan 18, 2014 7:13 pm

Hondon wrote:hi guys I'm also having some gearbox issues with my 2011 mn while 3rd gear is ok problem is when it is cold and not upto temp yet it's very hard to go from 3rd to 2nd and also have to come to a dead stop to be able to select 1st...while it's not so much of an issue for me couse I no my ute pretty well but if some one else was to drive it I'd say they would go wtf is going on??but when it is at running temp it is faultless and is no problem... I can get it fixed through warranty no doubt but dunno if I want them tearing my ute to bits jst yet with only 20k on the clock...I changed the oil in the box the other day and it made zero effect,and the original oil wasn't that bad really..qstn is do I jst see how it goes or what is ppl advice on this one??oh and one other problem I had was when I was out in the bush some time ago something happened and I wasn't able to select any gear at all ??wtf ?.After mucking around with both leavers for a bit and rocking the ute and stuff it came good and never happened since any one else had this?


Pretty common problem. I changed my oil to the penrite fully synthetic a while back which free'd it up when cold. Some others have been using ATF oil with success. Either way mention to your dealer and they may try to solve.
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Re: Uncooperative 3rd Gear Syncro

Postby Hondon on Sat Jan 18, 2014 7:40 pm

thanks gibbo..yeah the oil I put in it was only cheap shit....I run penrite in the donk so might try it in the box....full synthetic would be pricey I'd imagine ???
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Re: Uncooperative 3rd Gear Syncro

Postby Hondon on Sat Jan 18, 2014 7:41 pm

oh and "ATF"is auto tranny fluid is it???? mite be a cheaper option than the full synth penrite....
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Re: Uncooperative 3rd Gear Syncro

Postby sv294 on Sat Jan 18, 2014 9:09 pm

Hey guys my mn with 58k on the clock is now going into have the third gear synchro done one thing I pointed out to the dealer was it has developed a high pitch whine in the gearbox when it's accelerating 1, 2, 3 they said doesn't sound like gearbox but I don't know what else it could be i believe it may be mesh whine as i am running the atf fluid i may go back to the penrite synthetic as they don't do bearings whether do the 3rd gear synchro
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Re: Uncooperative 3rd Gear Syncro

Postby laurie27 on Thu Jan 23, 2014 3:06 pm

The dealer rang & said my Triton is ready to be picked up....4 1/2 days..still not bad.
They said reverse was replaced as well as 3rd :o
I'll pick it up tomorrow as the dealer is 1 hour away & i'll find out the story behind reverse.
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