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oil consumption



julius wrote:
> 
> julius wrote:
> >
> > The amount of oil an engine may use varies with the way the vehicle is
> > driven.This is especially noticeable during the first 7,500
> > miles,(12,000 km) when a new engineis being broken-in and internal
> > component are saeting.For this reason the oil level must be checked
> > regulary.
> > Changing engine oil prior to the 7,500 (12,000 km) maintenance could
> > prolong the engine break-in period.For this reason,if the engine oil is
> > change before 7,500 miles (12,000 km) a detergent oil should be reinstal
> > to allow the engine to complete the break-in period.
> > Some factors  affecting oil consumption are: ambient,temperature,engine
> > size,quality and viscosity of oil and driving habit.
> > Engines oil serves many purposes in the internal combustion engine:
> > *A dependable lubricant for all sliding and baering surfaces
> > *dissipates heat
> > *Ensure cleanlines
> > Even efficiently running engines will use some oil or they would quickly
> > wear out. Alll friction surfaces are cushioned by a thin film of oil.
> > For example,to lubricate the upper piston ring(compression ring),a thin
> > is deposited on the cylinder walls.
> > This thin film of oil is burned away during combustion. Although very
> > little oil is consumed per stroke, over a long distance these small
> > amounts may add up to whole quarts of oil. A vehicle driven for short
> > trips with low engine temperatures or in cold weather may not appear to
> > have consumed oil.  Unburned fuel and condesation or other contaminants
> > will mix with oil level.  When the vehicle travels at highway speeds the
> > unburned fuel, condensation and contaminants evaporate through the
> > crankcase vent system and are introduced into the combustion process.
> >
> > To operate efficiently an engine consumes oil, although in very small
> > quantities.  During the break-in period, oil consumption may be high,
> > approximately one quart of oil pre 500 miles, or one liter of oil per
> > 800km.  After the initial break-in period, oil consumption should be
> > 0.50 to 0.85 quarts maximum,per 1,000 miles.  Oil consumption should be
> > 0.30 to 0.50 liters per 1,000.00 km. maximum.  This will vary depending
> > on individual driving habits.  The best time to check oil level is with
> > a warm engine on a level surface.  When checking oillevel of a warm
> > engine, it is recommended to allow the engine to sit for 5 to 10 minutes
> > with the ignition off. This will permit the oil to drain back into the
> > sump for an accurate reading.  Always use the correct API and SAE reated
> > engine oils recommended in the Audi owner's manual.  Always change the
> > engine oil at the intervals specified in the Audi Maintenance schedule.
> julius wrote:
> >
> > The amount of oil an engine may use varies with the way the vehicle is
> > driven.This is especially noticeable during the first 7,500
> > miles,(12,000 km) when a new engineis being broken-in and internal
> > component are saeting.For this reason the oil level must be checked
> > regulary.
> > Changing engine oil prior to the 7,500 (12,000 km) maintenance could
> > prolong the engine break-in period.For this reason,if the engine oil is
> > change before 7,500 miles (12,000 km) a detergent oil should be reinstal
> > to allow the engine to complete the break-in period.
> > Some factors  affecting oil consumption are: ambient,temperature,engine
> > size,quality and viscosity of oil and driving habit.
> > Engines oil serves many purposes in the internal combustion engine:
> > *A dependable lubricant for all sliding and baering surfaces
> > *dissipates heat
> > *Ensure cleanlines
> > Even efficiently running engines will use some oil or they would quickly
> > wear out. Alll friction surfaces are cushioned by a thin film of oil.
> > For example,to lubricate the upper piston ring(compression ring),a thin
> > is deposited on the cylinder walls.
> > This thin film of oil is burned away during combustion. Although very
> > little oil is consumed per stroke, over a long distance these small
> > amounts may add up to whole quarts of oil. A vehicle driven for short
> > trips with low engine temperatures or in cold weather may not appear to
> > have consumed oil.  Unburned fuel and condesation or other contaminants
> > will mix with oil level.  When the vehicle travels at highway speeds the
> > unburned fuel, condensation and contaminants evaporate through the
> > crankcase vent system and are introduced into the combustion process.
> >
> > To operate efficiently an engine consumes oil, although in very small
> > quantities.  During the break-in period, oil consumption may be high,
> > approximately one quart of oil pre 500 miles, or one liter of oil per
> > 800km.  After the initial break-in period, oil consumption should be
> > 0.50 to 0.85 quarts maximum,per 1,000 miles.  Oil consumption should be
> > 0.30 to 0.50 liters per 1,000.00 km. maximum.  This will vary depending
> > on individual driving habits.  The best time to check oil level is with
> > a warm engine on a level surface.  When checking oillevel of a warm
> > engine, it is recommended to allow the engine to sit for 5 to 10 minutes
> > with the ignition off. This will permit the oil to drain back into the
> > sump for an accurate reading.  Always use the correct API and SAE reated
> > engine oils recommended in the Audi owner's manual.  Always change the
> > engine oil at the intervals specified in the Audi Maintenance schedule.