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S60 Low Oil Pressure warning light

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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djf2729
Posts: 17
Joined: 25 January 2004
Year and Model:
Location: Mechanicsburg, PA

S60 Low Oil Pressure warning light

Post by djf2729 »

2002 S60 AWD
104,000 miles
ALL factory recommended services done at local dealer

Went to purchase this vehicle at a reputable dealer and had the oil pressure light kick on during test drive. Talked with the manager and he agreed to fix prior to purchase. Left a small deposit with them.

They replaced the oil pressure sensor and that did not change the problem. They then did the oil pan, o-ring replacement procedure and the light still comes on.

Anybody have any insight as to the next step. Walk away from this car even though it was meticulously maintained and is in prestine condition?

They are paying for the repairs, so I guess I can wait for a freshly serviced engine!

Any help with how far this may go is appreciated.
1999 S70 GLT- Black w/ Tan Leather

1999 V70XC- Red w/ Tan Leather

Georgeandkira
Posts: 882
Joined: 7 April 2009
Year and Model: '07 V70 + '15 XC70
Location: Hudson & Champlain Valleys, USA
Has thanked: 64 times
Been thanked: 69 times

Post by Georgeandkira »

Hello djf2729, In no particular order: 1)Since this is a 2002 (my year too) and is more likely to have a bad transmission issue I'd STRONGLY suggest passing on this car. 2)Since an oil pressure switch as well as the O-ring on the oil pickup line didn't fix the low oil pressure problem you'd be more than foolish to even consider this car. 3)The 2002s still used the problematic bevel gear in the AWD system. Come 2003 you'd be in the clear. 4)Post back please and tell us how much they were asking for this car. I say "were" because you're not buying this car. Kira

friend2fly
Posts: 7
Joined: 11 May 2010
Year and Model: Volvo S60 2001
Location: Fort Lauderdale, FL

Post by friend2fly »

Dear Friends,
I have a S60 2001 that I bought two weeks ago with the same problem: the light comes on intermittently. I took the car to a Volvo dealer and they recommended to "reseal oil pan". I took the car to a Volvo mechanic (ex-volvo dealer, 30 years experience) and he gave me a quite complicated explanation about the "oil circuit" and the need of taking down the oil pan and cleaning the whole oil circuit with a certain liquid cleaner; if this procedure does not work, he mentioned a certain valve that has to be replaced. In short, he said that the engine can break suddenly any time.... I took it to the place where I bought it and tomorrow they are going to take the oil pan down and a clean a screen that they think is clogged. I will let you know the end of this horror story.

friend2fly
Posts: 7
Joined: 11 May 2010
Year and Model: Volvo S60 2001
Location: Fort Lauderdale, FL

Post by friend2fly »

Folks,
Here you have the answer I got from a Master Volvo Technician through http://www.justanswer.com/:
First, it could be as simple as low oil level. I am going to assume that the mechanic checked this but it wouldn't be a bad idea for you to double check... just in case. Also, if the oil viscosity is too thin, it could cause it.
Next, it could be the oil pressure sensor itself. I don't know what the mechanic did but he should have removed the electrical oil pressure sensor and installed a mechanical gauge to monitor oil pressure.
Third, it could be oil pan seals. You can get a good idea if these are bad on your own. With the car running at operating temperature, remove the dipstick and check for air bubbles in the oil on the dipstick. If there are air bubbles in the oil, you likely need to have the oil pan seals replaced. There is a rubber seal that seals the oil pickup tube to the engine block. If it goes bad, when the engine is trying to suck oil out of the sump, it will get air mixed along with it and will throw off your pressure readings. Have you ever tried drinking through a straw that had a hole in it that was exposed to air? It's a similar concept. This is rather common among Volvos. Volvo sells a reseal kit that comes with all the various seals in the oil pan.
Another possibility is the oil pump itself, though I have never seen one go bad on a Volvo. If he reads the oil pressure with a mechanical gauge and it is low (without air in the oil, of course), you might want to try an oil pump. The last option would be engine replacement, but with that low of miles (especially well maintained) that is highly unlikely to be the problem. In our shop we had a 99 S80 with 174,000 miles that had a low oil pressure light. The oil pan seals were good and the oil level was full. With a mechanical gauge installed, it was reading low. We gave the customer the option of trying the oil pump and when we installed the new pump, the pressure was still low indicating the engine needed to be replaced.
Anyway, I'm not trying to scare you. Like I said, I highly doubt it is the engine. The easiest thing to do is check for air bubbles in the oil. If there isn't any air (look carefully- the bubbles can be quite small), I would start by getting an oil changed since you are close to being due anyway. This will ensure that you have good, clean oil in the pan and it is full.

friend2fly
Posts: 7
Joined: 11 May 2010
Year and Model: Volvo S60 2001
Location: Fort Lauderdale, FL

Post by friend2fly »

More news:
After the re-seal oil pan job was done, the light never comes on again... if I keep the RPMs below 4,000 !!!. I have done already 400 miles without problems, just by accelerating gently and keeping RPMs below 4,000. It seems that the oil pump is also giving problems....

J5T
Posts: 175
Joined: 20 November 2008
Year and Model:
Location: The Rust Belt

Post by J5T »

No problems below 4000 rpms... what happens if you go over 4000 rpms? what problems is the oil pump giving you?
Macht's Gut!

friend2fly
Posts: 7
Joined: 11 May 2010
Year and Model: Volvo S60 2001
Location: Fort Lauderdale, FL

Post by friend2fly »

J5T,
Well, if I go into high RPMs (5,000 or so), for example, by overtaking another car, after a few seconds low pressure light is on and stays on. This is going to sound really crazy: What I have done is, I stop and turn off the car, wait a couple of minutes, turn on the car and.. Voilá!, the light is off and everything looks normal again... I checked with a Volvo technician and he told me that the problem could be the oil pump...

S Booch
Posts: 7
Joined: 22 April 2010
Year and Model: S60R, 2004
Location: Florida

Post by S Booch »

Please walk away! This car sounds like a time bomb...
Steve B
2004 S60R
Past Volvos: 66 122S, 84 242T, 85 244T, 85 745T,
88 780, 95 855 T5-R, 96 854R

friend2fly
Posts: 7
Joined: 11 May 2010
Year and Model: Volvo S60 2001
Location: Fort Lauderdale, FL

Post by friend2fly »

Yeah, you're right Steve; but it is a kind of late. I bought it a month ago and I'm gonna have to live with it for a while. That's why I came to this forum in the first place. All I can do now is share this horror story and listen to all feedback so we all learn from this experience and prevent that somebody else live the same nightmare... Stay tuned!!!

alanjackson2011
Posts: 40
Joined: 29 August 2011
Year and Model: V70T 2001
Location: uk

Post by alanjackson2011 »

Hello, you seem to have the same problem as me - OK until I give it a bit of a blast.

It is clear that low V70 oil pressure is normally caused by bad O-Rings.

My 2001 V70 turbo is causing me an awful lot of trouble.

I have just replaced all of mine, oil pickup, filter housing to cooler (both ends) and the sump to block o-rings. But it made no difference at all.

I drive two miles and the message appears telling me to stop.


Any other suggestions as to what could cause NO OIL PRESSURE?

I have had the pressure checked by the Volvo dealer and they confirmed it was low (cost £200 to confirm) they wanted about another £1000 to investigate further by removing the head !!

The O-rings were in a poor state, very brittle, and there was lots of sludge - it is now spotless and filled with fully synthetic 5W30

Any suggestions would be most welcome. I am 100% sure the new O-rings are in place.

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