displaying posts 1 to 19 of 19

Author Subject: gearbox fubared
dragoon

Seasoned Pro

Location: Ghent - Belgium

Registered: 30 Dec 2008

Posts: 1,071

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Post #1
Not a 6, but I need some help here Sad
(1.8 16v)

Was driving down my street today at about 40km/h in 2e gear, when suddenly there was a rattle, a bang and some serious smoke/stench coming from underneath the bonnet Sad

There was gearbox-oil everywhere (fire-fighters had to come and clean up the street Roll eyes ) the heatwrap on the manifold was soaked with the oil (hence the smoke)

Now my main concern is, what could be the cause of this? Are there any other parts I should check that could be damaged?
It's very strange because I never noticed anything..
And it had the correct oil in it (75w80)
I'm going to put my spare gearbox on but want to make sure it doesn't go BANG again Sad

Some say it's due to the (mild) tuning and hard driving... but wouldn't it break when pushing it if that was the case?
And if so, is an xsi gearbox a better option? (or same gearbox?) or rather one from a xsara vts (xu10j4rs)

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quote:
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Posted 24th Apr 2010 at 02:41
dragoon

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Location: Ghent - Belgium

Registered: 30 Dec 2008

Posts: 1,071

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Post #2
pics:










Cry

________________________________________

Team Wheelwhore
Team Limited Edition

Astor 306 Francorchamps RIP
Virtual Blue 208 GTi

quote:
I Love this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh Cool
Posted 25th Apr 2010 at 02:15
jonnie205

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Location: Bicester

Registered: 10 Apr 2005

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Post #3
seen this loads of times, mainly on 205s, just fit another gearbox
Posted 25th Apr 2010 at 17:19
dragoon

Seasoned Pro

Location: Ghent - Belgium

Registered: 30 Dec 2008

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Post #4
also swap the flywheel?

or can I leave this one? (has some dents and stuff as you can see)

________________________________________

Team Wheelwhore
Team Limited Edition

Astor 306 Francorchamps RIP
Virtual Blue 208 GTi

quote:
I Love this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh Cool
Posted 25th Apr 2010 at 18:27
jammapic

Senior User

Location: Manchester

Registered: 11 Jun 2010

Posts: 778

Status: Offline

Post #5
Think mine has just done this - hopefully my diff hasn't exploded as it's a Quaife one!

JP

________________________________________

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306 GTi-6 Track Car - 200+ hp all N/A!
306 DTurbo Track beasty - 209.9hp - RIP
Posted 4th Jul 2013 at 18:51
buzzbrightyear

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Location: hiding all receipts for car

Registered: 09 Jul 2008

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Post #6
is it the diff that's popped?

________________________________________

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Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
Posted 4th Jul 2013 at 23:04
jammapic

Senior User

Location: Manchester

Registered: 11 Jun 2010

Posts: 778

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Post #7
Dunno, not taken it to bits yet... Just poured petrol all over it and looking for a lighter

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306 GTi-6 Track Car - 200+ hp all N/A!
306 DTurbo Track beasty - 209.9hp - RIP
Posted 4th Jul 2013 at 23:10
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,822

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Post #8
quite unlikely, the usual failure is the planet gears being spat out.

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Posted 4th Jul 2013 at 23:11
dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

Posts: 10,305

Status: Offline

Post #9
Planet gears failed?

They suffer fatigue quite commonly. I've a diff removed from a perfectly operational gearbox. Several small chunks of the planet gears had chipped off and there's some severe cracking on others. Only a matter of time until more had come away and got caught up. Another diff I've seen recently had in tact planet gears yet signs of cracking - so they are getting to the age where they start to fail.

While a box is out it's worth taking 5 minutes to pop the cover off an have a nosey. Replacement planet gears are about £100 iirc. Or I've a 306 diff here with clean ones if it's of use to anyone in a similar boat upon inspection.

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  • Posted 4th Jul 2013 at 23:11
    welshpug!

    Capt Pedantic

    Location: Bigend, Wales.

    Registered: 27 Mar 2007

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    Post #10
    no planet gears in a quaife...

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    need a part number? get on here - http://public.servicebox.peugeot.com

    Bring on the Trumpets.

    Posted 4th Jul 2013 at 23:17
    rikky 🦔

    Location: cheshire

    Registered: 28 Feb 2004

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    Post #11
    dangti6 wot????

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    Posted 4th Jul 2013 at 23:17
    dangti6

    aka JKshooter

    Location: Taunton, Somerset

    Registered: 15 Jun 2006

    Posts: 10,305

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    Post #12
    welshpug! wrote:
    no planet gears in a quaife...


    Minor detail.

    99% of others here with standard diffs will learn something regardless LOL

    Maybe at pugfest I can beat you at a game of kerplunk so I can have SOMETHING over on you Mei LOL

    ________________________________________

  • Senior Test Automation Engineer for the 306GTi6 Owners Club Forum Wizard


  • Posted 4th Jul 2013 at 23:21
    miles

    Seasoned Pro

    Location: Ringwood

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    Post #13
    They did this even when they were new, You could get a uprated set from Pug Sport in the day

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    Posted 4th Jul 2013 at 23:24
    jammapic

    Senior User

    Location: Manchester

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    Post #14
    But as said, mines a quaife... I'd be disappointed if its broked!

    ________________________________________

    HDI Engine Tuning / Remapping Services - https://www.facebook.com/dervtech

    306 GTi-6 Track Car - 200+ hp all N/A!
    306 DTurbo Track beasty - 209.9hp - RIP
    Posted 4th Jul 2013 at 23:25
    Niall

    Seasoned Pro

    Location: Epsom

    Registered: 06 Jun 2012

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    Post #15
    Thats just standard 1.8 gearboxes! Ive replaced 3 now because of this.
    Posted 4th Jul 2013 at 23:37
    jammapic

    Senior User

    Location: Manchester

    Registered: 11 Jun 2010

    Posts: 778

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    Post #16
    I've found out why it went bang... such a stupid little thing.

    Theres a bracket immediately above the gearbox, bolted to the head, which you use to lift the engine out of the car... one of the bolts unscrewed itself and dropped down in the conveniently placed hole into the bellhousing immediately below.

    JP

    ________________________________________

    HDI Engine Tuning / Remapping Services - https://www.facebook.com/dervtech

    306 GTi-6 Track Car - 200+ hp all N/A!
    306 DTurbo Track beasty - 209.9hp - RIP
    Posted 18th Jul 2013 at 17:09
    scotzman

    Seasoned Pro

    Location: Dundee

    Registered: 24 Jun 2011

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    Post #17
    jammapic wrote:
    I've found out why it went bang... such a stupid little thing.

    Theres a bracket immediately above the gearbox, bolted to the head, which you use to lift the engine out of the car... one of the bolts unscrewed itself and dropped down in the conveniently placed hole into the bellhousing immediately below.

    JP


    When I was replacing my thermostat a couple of weeks ago I dropped a nut down that very same hole, luckily it rested on top of the flywheel and I managed to fish it out with some Blu-tac on a screwdiver.

    ________________________________________

    '90 1.6 205 GTi, '98 306 GTi-6
    Posted 18th Jul 2013 at 17:24
    buzzbrightyear

    Seasoned Pro

    Location: hiding all receipts for car

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    Post #18
    scotzman wrote:
    jammapic wrote:
    I've found out why it went bang... such a stupid little thing.

    Theres a bracket immediately above the gearbox, bolted to the head, which you use to lift the engine out of the car... one of the bolts unscrewed itself and dropped down in the conveniently placed hole into the bellhousing immediately below.

    JP


    When I was replacing my thermostat a couple of weeks ago I dropped a nut down that very same hole, luckily it rested on top of the flywheel and I managed to fish it out with some Blu-tac on a screwdiver.

    Smile sounds like you need one if these:
    http://www.fanevalleystores.com/product/5024209823579/sealey-5-led-torch-with-telescopic-magnetic-pick-up-tool-red

    ________________________________________

    andrew315rawson@live.co.uk
    Moonstone phase 7 gti6
    My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
    Posted 18th Jul 2013 at 23:33
    Niall

    Seasoned Pro

    Location: Epsom

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    Post #19
    buzzbrightyear wrote:
    scotzman wrote:
    jammapic wrote:
    I've found out why it went bang... such a stupid little thing.

    Theres a bracket immediately above the gearbox, bolted to the head, which you use to lift the engine out of the car... one of the bolts unscrewed itself and dropped down in the conveniently placed hole into the bellhousing immediately below.

    JP


    When I was replacing my thermostat a couple of weeks ago I dropped a nut down that very same hole, luckily it rested on top of the flywheel and I managed to fish it out with some Blu-tac on a screwdiver.

    Smile sounds like you need one if these:
    http://www.fanevalleystores.com/product/5024209823579/sealey-5-led-torch-with-telescopic-magnetic-pick-up-tool-red


    really handy those. i dropped a large bolt in the same hole but wasnt so lucky. the bolt went all the way round down to the bottom of the bell housing. Was worried that what started as a simple manifold change was going to end up in taking the gearbox off lol
    Posted 21st Jul 2013 at 10:35

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