Maintenance Intervals

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Old 05 Jun 2011, 03:50 pm   #1 (permalink)
Steve Giannoni
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Default Maintenance Intervals

2001 - Why are time intervals specified, for : oil & filter, inverter
& engine coolants, changes ? ... And, onlt 2 years for the coolants ..
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Old 05 Jun 2011, 04:09 pm   #2 (permalink)
Steve Giannoni
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Default Re: Maintenance Intervals

And for the oil & filter it's 6 months; so if I fill with fresh oil,
and don't drive the car for 6 months, the un-used oil then needs
changing ?!

On Sun, 05 Jun 2011 15:50:25 -0400, Steve Giannoni
<casagiannoni@optonline.net> wrote:

>2001 - Why are time intervals specified, for : oil & filter, inverter
>& engine coolants, changes ? ... And, onlt 2 years for the coolants ..

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Old 05 Jun 2011, 05:44 pm   #3 (permalink)
Daniel who wants to know
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Default Re: Maintenance Intervals


"Steve Giannoni" <casagiannoni@optonline.net> wrote in message
news:iconu6tncthp4dpjtm0vu93mpjr58cq69d@4ax.com...
> And for the oil & filter it's 6 months; so if I fill with fresh oil,
> and don't drive the car for 6 months, the un-used oil then needs
> changing ?!
>
> On Sun, 05 Jun 2011 15:50:25 -0400, Steve Giannoni
> <casagiannoni@optonline.net> wrote:
>
>>2001 - Why are time intervals specified, for : oil & filter, inverter
>>& engine coolants, changes ? ... And, onlt 2 years for the coolants ..


Yes, and it is because of the additive packages wearing out.

In the case of coolant they are trying to control the corrosive properties
of water with anti-corrosion additives, and those additive chemicals get
used up as they do their job eventually allowing corrosion to occur.

In the case of oil the time limit is added for those that don't drive long
enough each time to get the oil good and hot and drive (boil) off collected
moisture, even when the car sits undriven temperature changes make the
crankcase breathe and collect some moisture.


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