Re: Time vs Mileage for Part Replacement for '91 Coupe Quattro

[grubster@megsinet.net (Martin Gruby)]

At 12:13 PM 7/28/96 -0400, you wrote:
I thought you are supposed to change your oil every 3000 miles.. Or are you
using synthetic oil?



>I was wondering if some tune-up parts truly need to be changed on a time
>interval, rather than pure mileage.  		
>
>I would assume engine oil (7500 miles/6 months) certainly needs to be
>changed based on mileage/time interval, however, does the same apply to the
>air filter, fuel filter or spark plugs which are recommended to be changed
>every 2 years or 30,000 miles.
>
>Doesnt mileage factor into the replacement of an air filter, fuel filter or
>a spark plug to a much greater extent than time?				
>
>If an air filter, fuel filter or a set of spark plugs have been in a '91
>Coupe Quattro for two years that has only accummulated about 10k miles
>during that time, do they really need to be changed or can any one of these
>be left in the car until the 30,000 mile mark?
>
>Thanks.
>
>Chris
>
>
>