#1: broken crown wheel Author: Seabook, Posted: Fri Feb 01, 2013 3:38 pm ---- any idea what's the cause of that?
#2: Re: broken crown wheel Author: kandlbarrett, Location: SwindonPosted: Fri Feb 01, 2013 4:05 pm ---- In the photo it is difficult to see but are the breaks, or the most recent part of it thinner than the metal on adjacent teeth.
Were there any symptoms leading up to the failure?
Is there wear on adjacent teeth and is that wear only on a section of the crown wheel as that could be worn / seized or partially seized bearing.
I have seen similar; boy racer doing a tyre spin pull away. Just as the car started to move off it dropped into quite a big pot hole. The resultant jolt sheared the teeth. The boy racer was my brother in a Vauxhall Viva.
#3: Re: broken crown wheel Author: Rob2859, Location: HalifaxPosted: Fri Feb 01, 2013 7:14 pm ---- Strange, I know the crown had a tenancy to drop out but not heard of that one. Wheel spinning while the wheel is turned generally shags the planet gears but not sure if it could cause damage to the crown.
Excessive play in the bearings could stress it. Lack of lubrication could play a part. Not sure how else it could be overloaded.
#4: Re: broken crown wheel Author: Seabook, Posted: Sat Feb 02, 2013 4:33 am ---- no ideal at all, that is my mate's gearbox. I think the crown wheel teeth broke during the rally event at speed
wasn't too powerful either. stock 1.6 16v with kent cam
#5: Re: broken crown wheel Author: V9977, Location: Athens, GreecePosted: Sat Feb 02, 2013 9:23 am ----
Seabook wrote:
no ideal at all, that is my mate's gearbox. I think the crown wheel teeth broke during the rally event at speed
wasn't too powerful either. stock 1.6 16v with kent cam
Clasic down-shift mashup by the looks of it.
#6: Re: broken crown wheel Author: Seabook, Posted: Sat Feb 02, 2013 3:08 pm ---- wasn't shifting when it broke.
we though it might be the poor quality of the crown wheel
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