Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

So now it wants to have issues

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Old 11-11-2010, 01:50 PM
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Default So now it wants to have issues

I put my car for sale and ofcourse what can go wrong has.
now it says low oil pressure stop engine.
i checked the oil it is full and all seems to look good.
no metal in it from what i can see
does this mean the oil pump isnt working or is there other
common issues to look at
any help would be awsome
thanks
Old 11-11-2010, 02:04 PM
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Ur senser may be out... if u have onstar then have them run the codes for u!
Old 11-11-2010, 02:05 PM
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Most likely just a bad sending unit if there are no odd engine noises. If you had zero oil pressure the engine would sound pretty bad. The sending unit is known to fail early on the V for some odd reason.
Old 11-11-2010, 03:57 PM
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The engine does not sound normal i only let it run for 20 saeconds and turned it rigth off
Old 11-11-2010, 04:42 PM
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I accidentally forgot to fill my oil after draining it last time. I started the car and got back out and didn't notice the idiot lights and nav screen warnings blazing all over the place. I turned the car off about 20 seconds after I started it. It didn't sound any different than it normally does.

After I filled it back up and started it, the oil pressure didn't return immediately and I got the warning lights again. I turned it off and tried again a minute later and the oil pressure came right back up to normal.

I don't think it did any damage to the motor since the oil pressure now is the same as it always has been and the car was only idling in neutral. It doesn't make any new noises and the oil didn't have any shiny stuff in it.


If the sender is good, you probably need to check the pickup for o-ring breaks. On most cars, there is an o-ring between the pump and the pan pickup and if it breaks, the pump will just suck air.

Last edited by killernoodle; 11-11-2010 at 04:48 PM.
Old 11-11-2010, 05:11 PM
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Yeah i tried all that it still has noise let it run for about 2 min this time it idles fine but loud in the top end im almost sure its a pump. if anyone else knows anything please let me know
thanks
Old 11-11-2010, 05:56 PM
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Originally Posted by nstlfrk
Yeah i tried all that it still has noise let it run for about 2 min this time it idles fine but loud in the top end im almost sure its a pump. if anyone else knows anything please let me know
thanks
How many miles, i havent heard of many oil pump failures. If its in the upper end maybe a valve spring whats it sound like?
Old 11-11-2010, 06:18 PM
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Yeah its odd to hear this about the later LS engines. Early LS1's had some oil pump issues but they have been resolved.
Old 11-11-2010, 06:53 PM
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Originally Posted by itsslow98
How many miles, i havent heard of many oil pump failures. If its in the upper end maybe a valve spring whats it sound like?
would a valve spring make it read no oil pressure
and it just hit 92K
Old 11-11-2010, 08:16 PM
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Get it looked at asap. Mine did the same thing, no noise from the motor, like an idiot I drove it for a while cause " no motor noise nothing wrong" and turned out to be a seized lifter. Luckily I bought a warranty when I purchased the car cause I couldn't afford to drop 6500 on a reman at the time.
Old 11-11-2010, 08:32 PM
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Originally Posted by D Block
Get it looked at asap. Mine did the same thing, no noise from the motor, like an idiot I drove it for a while cause " no motor noise nothing wrong" and turned out to be a seized lifter. Luckily I bought a warranty when I purchased the car cause I couldn't afford to drop 6500 on a reman at the time.
yeah but i have noise and the car idles smooth
it really sounds like there is no oil in the top end of the motor i
thinking it is the OIL pump witch sucks because these cars dont have
this preoblem
Old 11-11-2010, 08:56 PM
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Yeah it sounds like its time to tear into it.
Old 11-11-2010, 09:17 PM
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This just sucks
Old 11-11-2010, 09:31 PM
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what kind of noise is it?
Old 11-11-2010, 09:39 PM
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Originally Posted by itsslow98
what kind of noise is it?
like it has no oil noise just loud
its not really loud just louder than normal
Old 11-11-2010, 09:54 PM
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Originally Posted by nstlfrk
like it has no oil noise just loud
its not really loud just louder than normal
good luck, that description doesnt help at all



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