2002 Corolla

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Old 01 Aug 2011, 07:16 pm   #1 (permalink)
Jane--Galt
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Default 2002 Corolla

I mentioned awhile back, that our 02 Corolla, which we bought used in May of
2010 with 114k on it, was using a bunch of oil. Well after observing it over
time, and no one can find any leaks, I also noticed it uses more in winter
than in summer. ( Denver area ) Last winter it was using a quart about every
800 miles and this summer ( faster warmup ) it's using about a quart every
1600 miles.

Does that help pinpoint what may be the cause?

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Old 02 Aug 2011, 06:03 am   #2 (permalink)
NM5K
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Default Re: 2002 Corolla

On 8/1/2011 7:16 PM, Jane--Galt wrote:
> I mentioned awhile back, that our 02 Corolla, which we bought used in May of
> 2010 with 114k on it, was using a bunch of oil. Well after observing it over
> time, and no one can find any leaks, I also noticed it uses more in winter
> than in summer. ( Denver area ) Last winter it was using a quart about every
> 800 miles and this summer ( faster warmup ) it's using about a quart every
> 1600 miles.
>
> Does that help pinpoint what may be the cause?
>


The only logical explanation I could think of is less oil
washing off the cylinder walls in the summer due to quicker
warmups, and less time running rich. But normally, you would
need to be pretty danged rich to do that..
Other than that, there really should be no difference.
The temperature of the engine is T stat controlled, so the
engine temp should basically be the same no matter what time
of year. So once warmed up, there should be no difference.
I know my car runs the same exact temp summer or winter.. The
pointer might as well be glued in place.. :/

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Old 02 Aug 2011, 08:00 pm   #3 (permalink)
Jane--Galt
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Default Re: 2002 Corolla

NM5K <none@invalid.net> wrote :

> On 8/1/2011 7:16 PM, Jane--Galt wrote:
>> I mentioned awhile back, that our 02 Corolla, which we bought used in
>> May of 2010 with 114k on it, was using a bunch of oil. Well after
>> observing it over time, and no one can find any leaks, I also noticed
>> it uses more in winter than in summer. ( Denver area ) Last winter it
>> was using a quart about every 800 miles and this summer ( faster warmup
>> ) it's using about a quart every 1600 miles.
>>
>> Does that help pinpoint what may be the cause?
>>

>
> The only logical explanation I could think of is less oil
> washing off the cylinder walls in the summer due to quicker
> warmups, and less time running rich. But normally, you would
> need to be pretty danged rich to do that..
> Other than that, there really should be no difference.
> The temperature of the engine is T stat controlled, so the
> engine temp should basically be the same no matter what time
> of year. So once warmed up, there should be no difference.
> I know my car runs the same exact temp summer or winter.. The
> pointer might as well be glued in place.. :/
>
>


We're in Denver, so the only thing I can think of is maybe that it takes a
much longer time to warm up in winter. Right now it warms up in a few blocks,
to temp. In winter it can take 4-5 miles?

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Old 03 Aug 2011, 10:32 am   #4 (permalink)
Illuminated
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Default Re: 2002 Corolla

It's nearly 10 years old and has done 114K miles, of course it consumes oil
ya half wit !.

No leaks............ it's probably burning oil which is passing the worn
piston rings/bore seal and also probably via valve stem seals.

Get a garage to do cylinder compression tests and I feel sure the readings
will be well off spec.

It's tired and worn, live with it, DOH !

"Jane--Galt" wrote in message
news:N4ednQTGjeJI3KrTnZ2dnUVZ_ucAAAAA@forethought. net...

I mentioned awhile back, that our 02 Corolla, which we bought used in May of
2010 with 114k on it, was using a bunch of oil. Well after observing it over
time, and no one can find any leaks, I also noticed it uses more in winter
than in summer. ( Denver area ) Last winter it was using a quart about
every
800 miles and this summer ( faster warmup ) it's using about a quart every
1600 miles.

Does that help pinpoint what may be the cause?

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Old 03 Aug 2011, 08:06 pm   #5 (permalink)
Get out now!
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Default Re: 2002 Corolla

"Illuminated" <asif@getreal.com> wrote :

> It's nearly 10 years old and has done 114K miles, of course it consumes
> oil ya half wit !.
>
> No leaks............ it's probably burning oil which is passing the
> worn piston rings/bore seal and also probably via valve stem seals.
>
> Get a garage to do cylinder compression tests and I feel sure the
> readings will be well off spec.
>
> It's tired and worn, live with it, DOH !


Spoken like some impotent janitor, who probably has to suck heinie just to
keep that job.

> "Jane--Galt" wrote in message
> news:N4ednQTGjeJI3KrTnZ2dnUVZ_ucAAAAA@forethought. net...
>
> I mentioned awhile back, that our 02 Corolla, which we bought used in
> May of 2010 with 114k on it, was using a bunch of oil. Well after
> observing it over time, and no one can find any leaks, I also noticed it
> uses more in winter than in summer. ( Denver area ) Last winter it was
> using a quart about every
> 800 miles and this summer ( faster warmup ) it's using about a quart
> every 1600 miles.
>
> Does that help pinpoint what may be the cause?
>
>



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