[Vwdiesel] timing belt r&r questions

[Gary Shea]

On Mon, 11 Nov 2002, at 18:16 [-0600], dennis pantazis (dennis at pantazis.org...:

> greetings all.
> i spent some time today working on bertha. i am having trouble finding tdc.
>
> took off the valve cover, timing belt covers. from the cracks and amount of
> wear on the plastic timing belt cover, i would guess that is been off a few
> times. the outside edge of the timing belt shows wear. the corner is worn
> off and i can see the cords inside showing.
>
> i turned over the engine by the nut on the crank. watched the hole at the
> bellhousing (?term).
> i could not see any marks on the flywheel for tdc! could i miss them? i dont
> see a pointer in the hole.
> btw, which side should the pointer be on? d/s or p/s?
>
> i didn't have a rubber plug in the bellhousing hole, its a largeish (50mm+)
> plastic bung with a large hex (19mm) hole and a plastic hex plug that looks
> like a nut with a single tab to pull on.  its right about on top of the
> bellhousing.
> does this sound right? seems like a really small hole to be looking into.

You've identified the problem ;)

The platic hex plug needs to be removed before you can see the pointer,
which on my bell housing is on the engine side of the hole.  I don't
know why you haven't seen a mark on the flywheel... there is typically a
v-shaped notch, almost like it was created wtih a triangular file, on
the tranny side of the outermost edge of the flywheel.

Good luck!

	Gary


>
> cam lobes on the #1 cyl are up. the slot in the camshaft is horizontal.
> the slot is above the top of the head.
>
> the mark on the injector pump pulley is lined up with the mark on the sheet
> metal bracket on the support.
>
> i turned a pin to fit into the hole in the injector pump pulley and it fits
> into the hole in the braket.
>
> am i at top dead center? is it correct to assume that i'm at tdc of number
> one cylinder?
>
> it would seem that as long as i have the injector pump locked out and the
> camshaft locked out, then i should be good. i havn;t loosened the tensioner
> yet.
>
> i havn't made a cam lockout plate yet. i have access to mill and such.
> any advice on making one of these. i am shooting for the thickness of 4.3 mm
> or 0.1693 in for the part that fits into the cam. i have read the procedure
> to shim the lockout plate, but how critical is it to
>
> what do you do for the holding crankshaft. should i even bother? just make
> marks of paint? but on what? the crankshaft pulley has to come off. what
> keys the pulley to the crank sprocket?
>
> thanks in advance
>
> dennis
>
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