Fumoto Oil Drain Plug
cord4530 at uidaho.edu
Thu Apr 8 19:07:41 EDT 2004
> IMHO is changing the oil without changing the filter just like taking a
> shower and reusing the dirty underwear, or changing underwear without taking
> a shower..
Ahh yes, but if you were to run an oil flush through your system before
changing the oil (and not the filter), wouldn't this be akin to taking a
shower *in* your underwear?
> Just a question. I know filters are cheap, but in the maintenance manual for
> my S4, it recommends oil change at 7500 and filter at 15,000. Why would a
> car manufacturer recommend these specs??
Many new cars have changed the oil change interval to 7500 miles. I know
in our Accord it was 7500 miles, but the manual also listed conditions
where that service interval should be lowered. For instance, stop and go
driving, driving in cold climates, driving in warm climates, driving in
dust/desert, driving in rain, continuous high-speed driving.....driving
on dirt, driving on pavement....you get the point. I don't remember the
specifics, but it seemed that *most* types of driving were considered
'severe' and required more frequent oil change intervals.
> Because they want you to come back soon and buy a new one
I'm pretty sure Pete was meaning 'they' as Audi. By not changing your
oil very frequently, you could be back to get a new car shortly after
your warranty expires. It's just another tactic in case the timing belt
braking just after warranty (but before recommended service interval)
one doesn't work.
Mechanical Engineer - Engine Research Facility
University of Idaho
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