On 9/11/04 7:04 PM, in article ch47k0ps8aae7vt6o3eku02pf6q2sn2kp5@4ax.com,
"John Ings" <nodamned@spam.org> wrote:

> On Sat, 11 Sep 2004 19:01:42 -0400, "Elmo P. Shagnasty"
> <elmop@nastydesigns.com> wrote:
>
>>> In '90 most of the imports did use timing belts (except Nilsson 4 cylinder
>>> engines of that generation used chains).
>>
>> And even chains aren't perfect. My brother had a 91 Infiniti Q45
>> (Nissan), which used chains; at some point, he had to have the chains
>> replaced. Apparently it's not at all unusual.
>>
>> Of course, this was $2700...
>
> Because when you change the chains, you're supposed to change the
> sprockets too...
>
>

The issue on the '91 Q45 had to do with Nissan using plastic chain guides
which prematurely disintegrated. The chain is buried in the engine, not
stuck out in front of it like a belt. Changing a chain is pretty close to a
major overhaul labor wise, hence the $2700.