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From: Jeff Strickland on 26 Nov 2009 00:57

"muzician21" <muzician21(a)yahoo.com> wrote in message
news:fe305f70-bdc0-47e5-9f45-c483b2df943f(a)w19g2000yqk.googlegroups.com...
> 89 Cressida w/7MGE - I just started seeing my oil pressure light going
> on today at low rpm - basically below about 800 rpm, particularly when
> in gear. Assuming the sensor is correct, is there any reason for this
> besides the oil pump? The engine only has about 40k miles since a
> rebuild, re-used the old oil pump which I assume is the original. Car
> has about 150k miles on it.
>
> What's the life expectancy of these pumps?
>
> Besides Ebay any good source for parts? Dealer wants most of $300 for
> one, the auto parts places apparently don't have it.
>
> Thanks for all input.

Autoparts places have the oil pump ...
http://shop.oreillyauto.com/ProductDetail.aspx?MfrCode=CLE&MfrPartNumber=6012060

It probably costs more than the car is worth, but if your heart is set on
buying a new pump, they are out there.







From: m6onz5a on 26 Nov 2009 04:38
On Nov 25, 9:49 pm, muzician21 <muzicia...(a)yahoo.com> wrote:
> On Nov 25, 8:13 pm, Tegger <inva...(a)invalid.inv> wrote:
>
> > The oil filter should present a restriction to oil flow that is LESS than
> > the restriction created by bottom-end bearing clearances, even at maximum
> > engine speed or at extreme low temperatures.
>
> I first noticed it today at a stoplight and it was still doing it
> after it had been sitting all day and fired up and idling in the
> parking lot.
>
> Since making my original post, after a filter change and refill with
> 5W-40 Mobil 1, and about 30 - 45 mins of around town go-to-store, fire
> it up again go to another store driving, for the moment I haven't seen
> the light come back on again - might have been a mucked up filter.
> Will take a longer down the highway run later and then see what
> happens.
>
> I appreciate everyone's input.

I was going to ask if you were using a cheap oil, or have you always
used Mobil1?
From: Vic Smith on 26 Nov 2009 11:34
On Wed, 25 Nov 2009 23:17:35 -0600, "Ray O"
<rokigawa(a)NOSPAMtristarassociates.com> wrote:

>
>"muzician21" <muzician21(a)yahoo.com> wrote in message
>news:fe305f70-bdc0-47e5-9f45-c483b2df943f(a)w19g2000yqk.googlegroups.com...
>> 89 Cressida w/7MGE - I just started seeing my oil pressure light going
>> on today at low rpm - basically below about 800 rpm, particularly when
>> in gear. Assuming the sensor is correct, is there any reason for this
>> besides the oil pump? The engine only has about 40k miles since a
>> rebuild, re-used the old oil pump which I assume is the original. Car
>> has about 150k miles on it.
>>
>> What's the life expectancy of these pumps?
>>
>> Besides Ebay any good source for parts? Dealer wants most of $300 for
>> one, the auto parts places apparently don't have it.
>>
>> Thanks for all input.
>
>When the low oil pressure warning light comes on, the first thing to check
>is oil volume with the dipstick to make sure there is sufficient oil in the
>oil pan.
>

And make sure you're checking the oil, not the trans.
Believe me, it happens.

--Vic
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