I had this problem this summer and it turned out to be either the stud
was stripped in the nuts or the nuts were stripped.
Chris Pappathopoulos
James Carpenter wrote:
> Hi there,
>
> You may all know about my cylinder head problems. I have found the
> leak,
> around cylinder no4, this just where I had problems with two head
> studs.
>
> The probelm I had was with the two under the rocker gear around
> cylinder no
> 4. When I started to torque them down they got to about 30ftlb and
> started
> to loosen up, so I stopped there, and hoped it would get me through
> until
> Chistmas. It didn't. I can't remember if the studs started turning
> or not,
> to be honest I don't think I could see. I know I did use new nuts,
> and I
> re-taped the block and dyed the studs.
>
> I think it's a stripped thread in the block. It is one of two things,
> the
> studs, or the block.
>
> I have ordered new studs and I hope this is it, but it is posible that
> the
> block is stripped is this likely.
>
> Has anyone had any experience with the helicoil type repair kit, can
> it be
> done at home by hireing the kit or is it a job for the pro's?
>
> Do you have to drill the block or can you just tap the bigger size
> thread?
>
> If you need to drill will the old hole keep the new hole square?
>
> Anyone know what its likely to be?
|