Sludge - My Own Story :)

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Old 14 Oct 2004, 05:08 pm   #1 (permalink)
drumpaul
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Default Sludge - My Own Story :)

94 Camry with replacement v6 from a 95 Avalon, 60,000 on the engine. No
service records. I immediately began using synthetic. Used Lucas, had
some valve stem seal leak. 35,000 miles later, the oil light came on
briefly one day. Took it to a shop. "Sludge" was the verdict. I was not
shown any proof and the light had not come on again in a day or so, so
other mechanics said it was likely a sensor. Fast forward a year, just
recently...oil light comes two successive days, both near my house and was
able to shut down pretty quickly. Off to the shop, a different one this
time, and sludge was declared. Also had some engine pinging, which turned
out to be a clogged EGR. Still have an engine light on likely due to O2
sensor. Anyway, they dropped the pan, pulled the valve cover, washed it
down with kerosene while dislodging all that they could. When replacing
the pickup tube screen, rather than a flat piece, they put a ball of
screen, like a microphone head, over the tube end to create more area for
circulation. When they put oil back in, they used 10-40 Castrol regular
and I am not going back to synth, I guess. The EGR valve de-clogging
stopped the pinging and increased my mileage back to 30 on the highway
from about 22 mpg. That work, plus radiator service and some other small
stuff..$800 total and four days in shop. De-sludging was about $500 of
the total, mostly labor, of course.

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Old 14 Oct 2004, 07:36 pm   #2 (permalink)
JP
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Default Re: Sludge - My Own Story :)

See my answer to drumpaul, 2 lines below.

JP

drumpaul wrote:
> 94 Camry with replacement v6 from a 95 Avalon, 60,000 on the engine.
> No service records. I immediately began using synthetic. Used
> Lucas, had some valve stem seal leak. 35,000 miles later, the oil
> light came on briefly one day. Took it to a shop. "Sludge" was the
> verdict. I was not shown any proof and the light had not come on
> again in a day or so, so other mechanics said it was likely a sensor.
> Fast forward a year, just recently...oil light comes two successive
> days, both near my house and was able to shut down pretty quickly.
> Off to the shop, a different one this time, and sludge was declared.
> Also had some engine pinging, which turned out to be a clogged EGR.
> Still have an engine light on likely due to O2 sensor. Anyway, they
> dropped the pan, pulled the valve cover, washed it down with kerosene
> while dislodging all that they could. When replacing the pickup tube
> screen, rather than a flat piece, they put a ball of screen, like a
> microphone head, over the tube end to create more area for
> circulation. When they put oil back in, they used 10-40 Castrol
> regular and I am not going back to synth, I guess. The EGR valve
> de-clogging stopped the pinging and increased my mileage back to 30
> on the highway from about 22 mpg. That work, plus radiator service
> and some other small stuff..$800 total and four days in shop.
> De-sludging was about $500 of the total, mostly labor, of course.



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Old 15 Oct 2004, 07:52 am   #3 (permalink)
Daniel M. Dreifus
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Default Re: Sludge - My Own Story :)

"drumpaul" <drumpaul1@yahoo.com> wrote in message news:<f6927d3357f96e9fb114ee69483299a6@localhost.t alkaboutautos.com>...
> 94 Camry with replacement v6 from a 95 Avalon, 60,000 on the engine. No
> service records. I immediately began using synthetic. Used Lucas, had
> some valve stem seal leak. 35,000 miles later, the oil light came on
> briefly one day. Took it to a shop. "Sludge" was the verdict.


"35,000 miles later" leaves kind of a gap in the story.
Personally, I check the oil level and condition once a week.
If it's dirty, I change it, regardless of mileage. Especially with a
used engine and uncertain history.
Once of the nice things about Mobil 1 is improved internal engine
cleanliness, but if you're starting with prior accumulation, and a
relatively small oil filter . . .
From an oil engineer's paper describing sludge:

How Sludge Forms
eventually, if the oil is not changed often enough, a "breaking
point" will be reached.

He was talking about detergency, additive packages, oil level and
contaminants that are present in every normally operating engine.
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Old 18 Oct 2004, 10:39 pm   #4 (permalink)
Charlene Blake
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Default Re: Sludge - My Own Story :)

Toyota's estimate of engine oil sludge complaints was 3,200 in 2002.
Why then does a Toyota spokesperson, John Hanson, say in a recent
article that there are only about the same number of complaints to
date? What kind of deceit is that?

With over a thousand dealerships nationwide and several cases of
sludge in a months time, how in the world did Toyota come up with that
number? Even if not all owners are reporting the problem, are we to
believe that Toyota is naive enough not to know better?

Toyota is making the details of its "Customer Support Program for
Engine Oil Gelation" very hard to find even on its own web site.
Toyota is contributing to the shut down of discussion of the matter on
several web sites, including Edmund's Town Hall, which close the
discussion right after it began!

Toyota is taking lots of money from new Toyota owners for extended
warranties and denying the claims when sludge hits. Does it know this
will happen? Isn't this fraud?!? Is any information given out to
prospective buyers who are shopping for a "certified used" Toyota?
Are they told about the CSP at a bare minimum? No, they are not.
Are they duped into buying an extended warranty which will turn out to
be bogus for sludge repairs? Sure, they are.

How long will Toyota go on denying this problem is related to engine
design or component malfunction? How long will it keep that
"proprietary data" hidden from the Toyota owners and the buying
public? How long will this company secretly fight those who wish to
speak out about the matter? How long will it keep up this charade?

Many Toyota owners would like to know the answers to these questions.
Many cannot believe that a company can carry out its business in this
manner and still be expected to be respected in the marketplace.

Toyota Owners Unite for Resolution

http://www.petitiononline.com/TMC2003/petition.html

Charlene Blake
cblake@erols.com



"drumpaul" <drumpaul1@yahoo.com> wrote in message news:<f6927d3357f96e9fb114ee69483299a6@localhost.t alkaboutautos.com>...
> 94 Camry with replacement v6 from a 95 Avalon, 60,000 on the engine. No
> service records. I immediately began using synthetic. Used Lucas, had
> some valve stem seal leak. 35,000 miles later, the oil light came on
> briefly one day. Took it to a shop. "Sludge" was the verdict. I was not
> shown any proof and the light had not come on again in a day or so, so
> other mechanics said it was likely a sensor. Fast forward a year, just
> recently...oil light comes two successive days, both near my house and was
> able to shut down pretty quickly. Off to the shop, a different one this
> time, and sludge was declared. Also had some engine pinging, which turned
> out to be a clogged EGR. Still have an engine light on likely due to O2
> sensor. Anyway, they dropped the pan, pulled the valve cover, washed it
> down with kerosene while dislodging all that they could. When replacing
> the pickup tube screen, rather than a flat piece, they put a ball of
> screen, like a microphone head, over the tube end to create more area for
> circulation. When they put oil back in, they used 10-40 Castrol regular
> and I am not going back to synth, I guess. The EGR valve de-clogging
> stopped the pinging and increased my mileage back to 30 on the highway
> from about 22 mpg. That work, plus radiator service and some other small
> stuff..$800 total and four days in shop. De-sludging was about $500 of
> the total, mostly labor, of course.

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Old 19 Oct 2004, 12:10 am   #5 (permalink)
Philip
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Default Re: Sludge - My Own Story :)

Charlene Blake wrote:
> Toyota's estimate of engine oil sludge complaints was 3,200 in 2002.
> Why then does a Toyota spokesperson, John Hanson, say in a recent
> article that there are only about the same number of complaints to
> date? What kind of deceit is that?



Everything you don't want to hear is a lie. Charlene ... you're a miserable
middle aged woman.
--

-Philip


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