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From: muzician21 on 25 Nov 2009 17:55 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.
From: Jeff Strickland on 25 Nov 2009 18:37 "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 $300 for > one, the auto parts places apparently don't have it. > > Thanks for all input. Worn out bearings and seals cal let the oil pressure drop. The rule of thumb is that you need 10psi of pressure for every 1000 rpm.
From: Mike Hunter on 25 Nov 2009 18:52 As well as worn main bearings "Jeff Strickland" <crwlrjeff(a)yahoo.com> wrote in message news:hekf4a$j8c$1(a)news.eternal-september.org... > > "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. > > > Worn out bearings and seals cal let the oil pressure drop. > > The rule of thumb is that you need 10psi of pressure for every 1000 rpm. > > > > > > >
From: Steve Austin on 25 Nov 2009 18:53 muzician21 wrote: > 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. Lol. Got a Fram filter on it? (As I duck for cover)
From: Jeff Strickland on 25 Nov 2009 18:53 Didn't I say that? "Mike Hunter" <Mikehunt2(a)lycos,com> wrote in message news:4b0dc35b$0$19746$ce5e7886(a)news-radius.ptd.net... > As well as worn main bearings > > > "Jeff Strickland" <crwlrjeff(a)yahoo.com> wrote in message > news:hekf4a$j8c$1(a)news.eternal-september.org... >> >> "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. >> >> >> Worn out bearings and seals cal let the oil pressure drop. >> >> The rule of thumb is that you need 10psi of pressure for every 1000 rpm. >> >> >> >> >> >> >> > >
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