I'll accept the judgement of the engineers who wrote the service
recommendations in the owner's manual... based on much tighter engine
tolerances and more modern oils and filtration.
Chuck Norcutt
On 11/19/2013 7:51 PM, Jim Nichols wrote:
> Chuck,
>
> I and my mechanics are in full agreement on the 12-month limit. The
> dealership where I bought the latest Volvo suggested that I use
> synthetic oil if I were going to change every 12 months, at my low
> mileage accumulation rate. I accepted that while they did the work, but
> rely on my current independent shop for choice of oil now. They see
> cars at all stages of their useful lives, so I think their experience
> counts most.
>
> I changed my own oil during my younger days, and saw up close and
> personal what drained out of the engine. I suspect that today's engines
> run much cleaner, but still feel that oil is the cheapest insurance one
> can buy. :-)
>
> Jim Nichols
> Tullahoma, TN USA
>
> On 11/19/2013 6:39 PM, Chuck Norcutt wrote:
>> My 2012 Chrysler T&C and the 2007 Buick Lucerne which preceded it both
>> have a duty cycle oil change indicator. The Buick's would call for
>> change at about 9,000 miles. The Chrysler is at about 8,500 and hasn't
>> called for a change yet. The Chrysler's manual says that the oil change
>> interval should not exceed 10,000 miles of 12 months, whichever comes
>> first. The Buick's manual also places a 12 month limit on oil change
>> intervals but imposes no maximum mileage limit.
>>
>> I'm going to get the Chrysler's oil changed next week since I suspect it
>> will ultimately call for an oil change while I'm driving to Florida
>> unless I get it done before that.
>>
>> Chuck Norcutt
>>
>>
>> On 11/8/2013 2:12 PM, Jim Nichols wrote:
>>> Hi Chris. It has been a long time since I did a lot of driving, but,
>>> when I did, I usually followed the manufacturer's mileage
>>> recommendation. However, I am leery of some of the long intervals
>>> recommended in recent years.
>>>
>>> Recently, I have spread 3000 to 4000 miles per year over three vehicles,
>>> and felt that service once a year was a good compromise. I hope to
>>> downsize to two vehicles soon. Regardless of mileage, oil picks up
>>> condensation over time, leading to a gradual reduction of lubrication
>>> efficiency and an increase in acidity.
>>>
>>> Jim Nichols
>>> Tullahoma, TN USA
>
>
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