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"Hachiroku ????" <Trueno@AE86.gts> wrote in message
news:%W%Ih.7319$t8.904@trndny02...[color=blue]
> On Sun, 11 Mar 2007 15:31:09 -0500, Ray O wrote:
>[color=green]
>>
>> <jim_nospam_beasley@yahoo.com> wrote in message
>> news:1173636383.804111.80630@8g2000cwh.googlegroups.com...[color=darkred]
>>> On Mar 10, 10:12 pm, "Ray O" <rokigawaATtristarassociatesDOTcom> wrote:
>>>> <jim_nospam_beas...@yahoo.com> wrote in message
>>>>
>>>> news:1173586348.709124.288660@64g2000cwx.googlegroups.com...
>>>>
>>>> <snipped>
>>>>
>>>> > Finally, I removed the old switch with a 1-1/16" socket.
>>>> > Unfortuneately, the new one didn't solve the intermittent light, so I
>>>> > must have a pressure problem, after all.
>>>>
>>>> > I was listening to the engine in the garage when the light was going
>>>> > on and off, and I could hear a slight raspy sound when the light was
>>>> > on. I wonder if that's the oil pump, or something is not getting its
>>>> > oil. The dip stick shows full.
>>>>
>>>> I think I know what the problem is, but before I announce my guess, I
>>>> have
>>>> some questions...
>>>>
>>>> What model and model year is the car?
>>>>
>>>> Which engine?
>>>>
>>>> What is the oil change history?
>>>>
>>>> Did the engine ever go over 7,000 miles between oil changes? --
>>>>
>>>> Ray O
>>>> (correct punctuation to reply)
>>>
>>> The car is a 1996 Camry with 6 cyl engine. Oil changes were irregular,
>>> and most close to 5K intervals, but occasionally it went longer. Mileage
>>> is 225,000 miles. A lot of daily commuting, 50 to 100 miles per day.
>>>
>>> That raspy noise I heard when the oil pressure light goes on is not very
>>> loud, and it goes away when the light is off. The engine sounds okay
>>> when the light is off.
>>>
>>>[/color]
>> I suspect that you have some sludge buildup. You can confirm this by
>> removing a valve cover and looking at the camshaft area. The 1996 Camry
>> is not one of the vehicles covered by Toyota's customer assistance
>> program.
>>
>> Some other things you can try - one of those oil flush treatments before
>> you change your oil next time, or removing the oil pan and see if there
>> is
>> any buildup on the oil pump pickup screen. Something else that may help
>> is using 5W-30 oil.[/color]
>
>
> Hmmmm...Camry with a V-6, eh?
>
> The sound he's describing is very familiar to me, having had a '90 240SX
> and an '85 Celica GTS with the 22RE...that being the tensioner starving
> out and allowing the chain to slack, and rub up against the housing.
>
> But I am guessing the V-6 Camry had a timing belt and not a chain, so
> that's not it!
>
>[/color]
Timing belt...
--

Ray O
(correct punctuation to reply)