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Author Topic: Oil pressure lost on oil change  (Read 947 times)

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Jan-Erik

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Oil pressure lost on oil change
« on: 28 January 2011, 09:11:48 »
Hi.
I can use some help.
A friend was canging oil on my car. After the job there was no oil pressure in the engine. At least not in the headers. they are making a lot of valvenoise. New filter and oil. Is it the oilpump or can it be somthing else? Thevalve next to the filter has been changes with no result. Even tried a second filter.
the car in question are 1996 2.5 V6 CD X25XE
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Jimbob

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Re: Oil pressure lost on oil change
« Reply #1 on: 28 January 2011, 09:19:07 »
What oil did you use, and how much did you put in?  (where is it on the dipstick now?)
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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #2 on: 28 January 2011, 09:26:16 »
The oil is right on max on the dipstick. The oil is mobile 5w40
I am in norway ( cold )so that was the recommandation.
Thanks for answering :)
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Marks DTM Calib

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Re: Oil pressure lost on oil change
« Reply #3 on: 28 January 2011, 09:35:07 »
Was a flushing agent added to the engine before teh old oil was drained?
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Andy B

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Re: Oil pressure lost on oil change
« Reply #4 on: 28 January 2011, 09:36:11 »
Quote
.... After the job there was no oil pressure in the engine.  ...

Did the oil pressure light go out?  :-/
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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #5 on: 28 January 2011, 09:46:15 »
No flushing agent and the warning lamp did not go out. I have not messured the pressure since there clairly is none.
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aaronjb

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Re: Oil pressure lost on oil change
« Reply #6 on: 28 January 2011, 10:36:23 »
It sounds like the oilchange perhaps dislodged some 'gunk' that's now been sucked up and is blocking the oil pickup in the sump, to me..

Probably worth pulling the sump off and checking the pickup - if I recall, on the 2.5s, that's quite easy as you only need to pull the rearmost sump on the engine..
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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #7 on: 28 January 2011, 11:02:23 »
It has been removed and checked. But not by me so it can be worth checking...
Do anyone know if threre is a general problem with theese cars. I am an mechanic and had never had this problem with the omega before. I got the car for nothing bc of this problem.
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Entwood

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Re: Oil pressure lost on oil change
« Reply #8 on: 28 January 2011, 11:08:43 »
Quote
It has been removed and checked. But not by me so it can be worth checking...
Do anyone know if threre is a general problem with theese cars. I am an mechanic and had never had this problem with the omega before. I got the car for nothing bc of this problem.


AHHH .. so slightly different ... Am I right in saying there has never been oil pressure since you got the car ?? There was no oil pressutre BEFORE the latest oil change ??

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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #9 on: 28 January 2011, 11:23:52 »
Nope it was working perfectly bf the oil change. Since it was not done by me I am a little baffeld on how it can dissappear bc of an oil change...:)
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Elite Pete

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Re: Oil pressure lost on oil change
« Reply #10 on: 28 January 2011, 11:33:23 »
Oil pressure relief valve sticking?
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Abiton

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Re: Oil pressure lost on oil change
« Reply #11 on: 28 January 2011, 11:51:43 »
Quote
Nope it was working perfectly bf the oil change. Since it was not done by me I am a little baffeld on how it can dissappear bc of an oil change...:)

Was the oil change performed via the sump plug, or the dipstick tube/vacuum extraction?
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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #12 on: 28 January 2011, 12:18:54 »
Quote
Oil pressure relief valve sticking?
This is new...
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Jan-Erik

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Re: Oil pressure lost on oil change
« Reply #13 on: 28 January 2011, 12:19:24 »
Quote
Quote
Nope it was working perfectly bf the oil change. Since it was not done by me I am a little baffeld on how it can dissappear bc of an oil change...:)

Was the oil change performed via the sump plug, or the dipstick tube/vacuum extraction?
Sump plug..
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