jcseely had written this in response toformatting link...> :
>
> Larry The Snake Guy wrote:
>
> > Take the lid off and watch what happens when you flush.
> > Is the tank filled to the proper level before you start?
> > How far down does it go when you flush?
> > Is the flapper falling prematurely (sinking)?
> > If so, does holding down the lever make it flush properly?
> > (Assuming a "standard" toilet.)
>
> -------------------------------------
>
> Yes all of this looks normal. The rubber hose is attached and stil clamped
> securely, the water level in the tank is normal and the flapper is working
> correctly.
>
> When I flush, the water level does not go down at all. It rises about an
> inch or so and then returns to normal near the end of the flush. Also,
> there is a kind of squirting sound coming from the bowl during the flush
> that was not present until this problem arose.
>snip<
I could be wrong, but this might be a venting problem in the stack. Bird nest, debris, whatever. Easy to check.
Joe