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Terrible day, Poorly 997 and 10 hours to recover. Help !!
- Thread starter Boba fett
- Start date
Technically its a replacement of the bolts although you can reuse them imho ... i have .
You would only see if they were loose on a service if they were literally hanging out .. theres not a service out there that we go around with spanners checking every bolt we can get at to see if its tight .. and that applys to every car out there from Ford to Renault , visual yes .. we look for anything obvious .
Bear in mind the time mechanics actually get to service a car.
Its 2 items bolted together .. the strength is the seal .. they only have to be slightly loose for the driveing force to be applyed more to the bolts than the flange .. at that point they will shear .. you wont see several threads still holding the driveshafts on .. they will shear long before that .
For the time and milage then im a little confused .. i would really like to see the car / pictures to get an accurate idea of what has happened .
Im more thinking over tightened than under tightened atm .
This is just my own opinion though and from the data provided ..
This is also not the sort of post i normally get involved with .. please bear that in mind when replying
.
You would only see if they were loose on a service if they were literally hanging out .. theres not a service out there that we go around with spanners checking every bolt we can get at to see if its tight .. and that applys to every car out there from Ford to Renault , visual yes .. we look for anything obvious .
Bear in mind the time mechanics actually get to service a car.
Its 2 items bolted together .. the strength is the seal .. they only have to be slightly loose for the driveing force to be applyed more to the bolts than the flange .. at that point they will shear .. you wont see several threads still holding the driveshafts on .. they will shear long before that .
For the time and milage then im a little confused .. i would really like to see the car / pictures to get an accurate idea of what has happened .
Im more thinking over tightened than under tightened atm .
This is just my own opinion though and from the data provided ..
This is also not the sort of post i normally get involved with .. please bear that in mind when replying
.so what people are saying is, bolts that are supposed to be used only once, are being casually used again, we are talking about the things that holds it all together, not the fkin furry dice on the rear view mirror,
pro's and specialists that are supposed to throw the 20p bolts away, but use them again and then say, but everybody does it,
there is a reason for every rule :nooo:
pro's and specialists that are supposed to throw the 20p bolts away, but use them again and then say, but everybody does it,
there is a reason for every rule :nooo:
Ok .. let me reiterate ..
Its recomended you replace the bolts .. its not a " the world will end if you dont "
An example .. newer car have ally bolts .. they are stretch bolts .. Porsche say you have to replace them if they are removed ... thats in the instructions for each job that involves them .
Porsche has a recall which involves removeing said bolts .. they are paying .. suddenly replacement of the bolts isnt needed .. you change the items but dont replace the bolts ..
How is it that Porsche stipulates you HAVE to change the bolts if the customer is paying but not if they are ????
Recomend replace .. you have to replace .. but if porsche foot the bill you dont have to ..
I new i shouldn,t have answered this thread .. sigh .
Going to move on now .. bored of this thread .
Its recomended you replace the bolts .. its not a " the world will end if you dont "
An example .. newer car have ally bolts .. they are stretch bolts .. Porsche say you have to replace them if they are removed ... thats in the instructions for each job that involves them .
Porsche has a recall which involves removeing said bolts .. they are paying .. suddenly replacement of the bolts isnt needed .. you change the items but dont replace the bolts ..
How is it that Porsche stipulates you HAVE to change the bolts if the customer is paying but not if they are ????
Recomend replace .. you have to replace .. but if porsche foot the bill you dont have to ..
I new i shouldn,t have answered this thread .. sigh .
Going to move on now .. bored of this thread .
They almost certainly won't be stretch bolts, wrong type of application and you can't re-use this type of fastener at all as they are designed to deform under the correct torque.
Missed the bit about the 2years and 2k
Think I'm with Dermot on the over tightened as opposed to under theory!
Missed the bit about the 2years and 2k
Think I'm with Dermot on the over tightened as opposed to under theory!
Boba fett
Magny-Cours
- Joined
- 14 May 2015
- Messages
- 2,685
deMort said:
I appreciate your help Demort, so thanks from me. I have pictures demort but fully understand if you are out now. :thumb: :thumb: :thumb:
The 25 years service Porsche tech has told me, its fallen off because they where not torqued up correctly. Simples. The other side could also be undone with no great force at all. That is the route cause. The Porsche tech also said its not uncommon for this to happen, and has seen it a number of times, and this is why he pretty much diagnosed the issue over the phone.
grbspeedster
Hockenheim
- Joined
- 11 Nov 2007
- Messages
- 652
Maybe not common on Porsche but had it happen on two of our caddy vans. Both serviced by same "specialist" and both had had clutch changes. Blamed it on apprentice not torquing bolts correctly. They don't service them anymore
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