Hi all,
Just removed my cam belt from my spider 3.2 24v v6,
When removing the water pump 2 of the corroded bolts broke. :(
The uppers bolts are the ones that broke.There is no stud for me to weld a nut . The bolt remainder must be harden as my drill bits cannot drill through them.
Any advise wood be good
Hi ALFAAA
If part of the bolt protrudes then you can use a tool such as the Irwin Bolt grip or if the bolt has completely sheared off at the base were it enters the block then you can try extractor drill/easy out bit. Just lubricate and soak the area with WD40 for a day or so to free up the rust.
PS : Also I have had considerable success with a centre punch and hammer, just work in anti clockwise direction.
Partially protruded bolt
https://www.ebay.com/itm/IRWIN-BOLT-GRIP-5-Piece-Bolt-Screw-Extractor-Set-Remove-Rusted-Rounded-off-Bolt-/332395106146?_trksid=p2349526.m4383.l4275.c10#viTabs_0
Extractor drill/easy out bit
https://www.ebay.com/itm/4pc-Broken-Bolt-Damage-Screw-Remover-Extractor-Drill-Bits-Easy-Out-Stud-Reverse-/253550702439
Thanks bono for your reply.
I cannot drill out what left of the bolt and they are corrode seized in. I will go to Bunnings tomorrow and get thoughs special carbide drill bits.
In this case I would call in a Specialist Mobile Bolt Removal Specialist. It's all they do, and they have already worked out how to get bolts like this, in such cockamamie positions, out many a time already, and with the least amount of damage.
Just my two cents.
Quote from: ALFAAA on June 11, 2018, 04:39:36 PM
I cannot drill out what left of the bolt and they are corrode seized in. I will go to Bunnings tomorrow and get thoughs special carbide drill bits.
An engineers' tool supply specialist
would should be a far better bet for extra hard drill bits than Bunnings.
If you have no luck at such an establishment, then Bazz' two cents are likely worth a lot more than their face value. Have you ever heard the word 'disintegrater' in relation to problems like yours? It's the sort of equipment a specialist should / might have at their disposal.
Regards,
John.
The cost of left handed drill bits will rapidly exceed the fee for a specialist to extract the stumps on site.
If you're still keen to DIY use the old water pump remounted, as a guide for centering the drill bits. At least you can lower the motor down sufficiently to access the stumps.
Good Advice bazzbazz and johnl,
Its a very tight area.
Does anyone recommend an Mobile Bolt Removal Specialist in the SouthEastern area . Prefer Narre Warren /Hampton park area
Here is a photo of the broken bolts.The specialist will need an 90 degree drill due to the tight area.
What made the little divots around the one on the right?
GUESS! ;)
;D ;D ;D ;D
BTW you can buy M10×1,5mm female threaded drill chucks to fit common 4" grinders.
Quote from: Citroënbender on June 11, 2018, 11:25:03 PM
BTW you can buy M10×1,5mm female threaded drill chucks to fit common 4" grinders.
Four inch angle grinders run at a pretty high rpm, probably just a tad on the fast side (to greatly understate it) for drilling into a hardened steel bolt. I foresee a small pile of overheated and blunted drill bits, at the least.
Regards,
John.