"Caroline" <caroline10027remove@earthlink.net> wrote in message news:<VwLSc.18502$9Y6.5203@newsread1.news.pas.eart hlink.net>...
> "Trident" <trident9440@hotmail.com> wrote
> > Hi there,
> > I got a couple of questions after changed the timing belt and water bump
> > yesterday.
> > 1. How to tell the replaced timing belt is still in good condition or not? I
> > checked old timing belt, it is still like a new one to my eyes.
>
>> > 3. After changed the timing belt, a new problem occured that when the engine
> > is over 2500rpm, I can feel the accelerate pad is slightly shaking, what
> > could be the problem? It does not have this problem before. Just wondering
> > if the mechanic did something wrong or this is not a real problem for a new
> > belt?
> Exactly one timing belt DIY remove and re-install under my belt.

they have the balance shafts out of time. bad install.
Chip