<elijahs@[EMAIL PROTECTED]
> wrote in message
news:e578735c-fe1a-4ba9-9df2-25bf377b91f9@[EMAIL PROTECTED]
>
> Hi folks; started noticing an oil leak this week and went in to take a
> look. I've discovered a condition that's puzzling and I can't find
> anyone else on this list or the web describing something similar, so
> here goes:
>
> the vibration dampener appears to have moved rearward and is cutting a
> groove into the timing cover.
Seems to be a common way for the virbration damper to fail.
the oil is leaking down around the
> dampener at a reasonable rate while the engine is running. I've never
> had the timing cover off before so I'm not super familiar with the
> layout in there - but I do have the shop manual.
Did the seal fail or did the damper rub a hole through the cover ?
>
> So, the only puller I had laying around was a 3 jaw type - got it on
> to the dampener and managed to pull the outer pulley donut off without
> the middle piece of the dampener budging. Oops - didn't realize they
> were constructed that way - so I'm off to get a proper balancer puller
> today (and, I guess, a new dampener at the junkyard).
>
> But what I realized was that, actually, it was that outer donut of
> metal that I managed to pull off that had actually worked it's way
> rearward and was cutting the groove into the timing cover. What
> caused this?
Most likely cause, poor construction.
I looked at the TSBs this morning and noticed one about
> the power steering pulley being misaligned - I'm in town and not near
> the vehicle but is this the sort of effect that condition would have?
No. The power steering pulley would probably cause the belt to jump off
or
wear funny.
>
> Oddly - I replaced my water pump last year that had a failed bearing
> and a similar issue - the pulled had worn a groove into the housing.
> Is there something else here I'm not considering that could be causing
> the belt to "push" these pulleys rearward?
The damper failed, get a new one.
>
> Is this oil seal what I should be looking at replacing?
Is it leaking ? If it were mine I would replace the seal now, while it
is
all apart.
is it
> possible to do without the "special tools" mentioned in the manual?
Don't know, don't have a manual to look at. Usually all you need is
something to pry the old seal out with and I always ued a large socket,
same
size as the seal, to drive the new one in with.
>
> Finally - in the last year I notice an intermittent, loud clank-clank-
> clank at idle, especially when the idle drops too low for a period
> (it's an older truck and I live in the jungle).
That's usually the noise that the damper makes when it fails like it
did. I
think when you replace the damper the noise will be gone.
It goes right away at
> 1000+ rpms and there's no noticeable effect on performance so I wrote
> it off as a loose heat ****eld sorta thing but now I'm wondering if it
> might be related (loose pulley key or something?) or if I should be
> otherwise worried about it.... .
You can start with the belts off, but with the damper still on, and see
if
it makes any noise.
>
>
> thanks in advance!
>
> elijah
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