Bolt head in rear diff..

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Originally Posted by Killer

G'day Summitt,
If your crown wheel bolts were like the ones on my front diff, (2002 Td5 130) they have serrations under the head face, the serrations dig into the cast iron carrier over time, and allow the bolts to loosen. I replaced mine with ARP bolts, with a smooth face, after needing to replace my crown wheel and pinion after it chewed though a few bolt heads. In my opinion using serrated head bolts against cast iron was a very poor design.
arp-bolts.com

Cheers,
Mick.

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did you source your ARP bolts locally???

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Originally Posted by fatnold

did you source your ARP bolts locally???

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I sourced my ARP bolts from a local engine reconditioner. This is a list of suppliers in Australia, The Official ARP Web Site | Dealer Locator
Cheers,
Mick.