aaarrrrggghhhh crap ( all fixed now)A WARNING TO YOU ALL BE AWARE
19-06-2009, 06:38 PM
#1
aaarrrrggghhhh crap ( all fixed now)A WARNING TO YOU ALL BE AWARE
as above pulled car out garage today to wash it & both securing bolts from compression struts to tca,s snapped
this bolt is a 12.9high tensile bolt &there,s signs of rust in the break
& this one has no signs of rust but both snapped at crawling speed getting the car out the garage thank fook it was,nt on the road at motor way speeds or ill not be righting this right now
sorry that ones a double
Last edited by andy escos; 27-06-2009 at 01:03 PM.
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19-06-2009, 06:56 PM
#12
fuck, thats not good news andy!
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
19-06-2009, 07:00 PM
#13
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fuck, thats not good news andy!
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
19-06-2009, 07:06 PM
#15
fuck, thats not good news andy!
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
ive got compbrake tcas and compression struts too. didnt get any torque settings with them and when i done them, up, i was hanging off of them
the bolts are a bit short IMO too, looks like they need another 10mm i thought when i fitted mine.
hmm
19-06-2009, 08:06 PM
#22
I'm good thanks Andy, glad to see you're still enjoying the Mk2. Awesome car.
I wondered if they had failed soon after fitting. How bizarre to go 11 months later while just running it out of the garage. Glad you are ok, any damage to the car from the wheel being wedged in the arch?
19-06-2009, 08:11 PM
#24
I'm good thanks Andy, glad to see you're still enjoying the Mk2. Awesome car.
I wondered if they had failed soon after fitting. How bizarre to go 11 months later while just running it out of the garage. Glad you are ok, any damage to the car from the wheel being wedged in the arch?
I wondered if they had failed soon after fitting. How bizarre to go 11 months later while just running it out of the garage. Glad you are ok, any damage to the car from the wheel being wedged in the arch?
i thaught i only did the one on the drivers side till i jacked it up & saw the other side on the floor.
Last edited by andy escos; 20-06-2009 at 10:43 AM.
19-06-2009, 10:59 PM
#36
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I don't understand the failure mechanism there? 
... The bolts are under no load, as the vertical load is being transmitted through the two large plates/stepped washers either side of the TCA, via the stepped hole in the TCA. The horizontal /car moving forwards directional loading is pushing the compression strut into the car, so the bolt is under no real axial load!! The only time I can see the bolts being directly stressed is if the car is going backwards, where the bolt will be holding the strut together against the front washer/plate in the TCA.
Did they fail as the car being driven/towed backwards?
The only other thing I can think of is were the bolts actually home and tight, or had they bottomed out allowing a gap between the head and the large washer/plate? If there was a gap it would allow the comp strut to move back and forth in the TCA and hit the head of the bolt, eventually knocking it off as your pics show..... Also, was there a small washer fitted under the head?
Might be worth contacting Compbrake as I am sure they would appreciate the heads up, and Tony will be more than helpful I am sure in resolving this.
... The bolts are under no load, as the vertical load is being transmitted through the two large plates/stepped washers either side of the TCA, via the stepped hole in the TCA. The horizontal /car moving forwards directional loading is pushing the compression strut into the car, so the bolt is under no real axial load!! The only time I can see the bolts being directly stressed is if the car is going backwards, where the bolt will be holding the strut together against the front washer/plate in the TCA. Did they fail as the car being driven/towed backwards?
The only other thing I can think of is were the bolts actually home and tight, or had they bottomed out allowing a gap between the head and the large washer/plate? If there was a gap it would allow the comp strut to move back and forth in the TCA and hit the head of the bolt, eventually knocking it off as your pics show..... Also, was there a small washer fitted under the head?
Might be worth contacting Compbrake as I am sure they would appreciate the heads up, and Tony will be more than helpful I am sure in resolving this.
Last edited by RWD_cossie_wil; 19-06-2009 at 11:01 PM.
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20-06-2009, 08:09 AM
#39
20K+ Super Poster.
It didn't just happen, the rust clearly shows this was at least cracked and about to fall to bits months before, you've been very lucky.
Other might have used a more ductile fitting there such as high grade alloy bolts, but these stell one should have been well up to the job anyway.
tabetha
Other might have used a more ductile fitting there such as high grade alloy bolts, but these stell one should have been well up to the job anyway.
tabetha
20-06-2009, 08:18 AM
#40
It didn't just happen, the rust clearly shows this was at least cracked and about to fall to bits months before, you've been very lucky.
Other might have used a more ductile fitting there such as high grade alloy bolts, but these stell one should have been well up to the job anyway.
tabetha
Other might have used a more ductile fitting there such as high grade alloy bolts, but these stell one should have been well up to the job anyway.
tabetha
only one bolt wascracked & rusty the other one was perfect ,i can see why the rusty one brokeit was only holding on by a very small amount but why did the other one brake