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  #1  
Old 10-11-2011, 01:19 PM
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2005 Volvo S40
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Default 1998 Volvo s70 GLT Oil Leak

My s70 has an oil leak that completely drains all the oil out in a couple days, i have taken it to my mechanic but he cant find where the leak is coming from exactly, Any places that you guys would recommend to take it, near Worcester Massachusetts. Thanks!
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  #2  
Old 10-11-2011, 02:08 PM
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Park the car in you garage and stick a BIG peice of cardboard under the entire engine. When you start seeing oil spots on the cardboard lay under the car and see where the oil is coming from. The oil spots on the cardboard will give you an idea of where it is coming from. Than we can narrow it down from there.
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  #3  
Old 10-11-2011, 04:44 PM
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How do you know the oil is leaking out? Do you have room mates?
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  #4  
Old 10-12-2011, 12:13 PM
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I can see it leaking i have got an oil pan under it. I'm going to try and fix it myself when i can gut pictures from underneath the car ill post them thanks for the help!
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  #5  
Old 10-13-2011, 09:40 AM
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Try degreasing the whole engine compartment. Then take it to your mechanic and he can look for fresh, new oil and trace it back to source. Most shops also can add a UV dye to your oil that will show up under a black light to aide them in finding the leak. So far in my 2000 S70 i've replaced all the cam and crankshaft seals and that has stopped all oil leaks.
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  #6  
Old 10-13-2011, 01:32 PM
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Check the oil cap and underneath the spark plug cover, sometimes the gasket get old and the cap leaks, dripping into the back.

Since its a major leak check underneath the car, I just changed the turbo oil return gasket and seal that goes into the oil pan (turbo oil return tube)
Also check the intercooler tube that goes into the turbo

Can be the rear cam seals

(leaning towards the turbo return, i have the gasket and seal numbers and tools needed, let me know)

I did wash under the car with dregreaser and pressure hose to clean the area well, since I had already checked and the usual suspects and had pinpointed it was the turbo oil return. A trick we do with bikes is cleaning it all up really good and using spray foot
powder it will show the leak right away.


did your mechanic check under the car?
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Last edited by Elchopperfreak; 10-13-2011 at 01:42 PM.
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  #7  
Old 10-15-2011, 09:38 AM
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Yes the mechanic put it on his lift but i got the sense he just didn't want to work on my car for some reason because he told me to buy a new car because my Volvo has 229061 miles on it, I'm jacking the car up today and getting underneath it, But my turbo does also leak when giving the car a lot of acceleration you can hear the turbo releasing air i think the cbv just needs to be replaced though so the oil could be coming from somewhere near the turbo ill post some pics Thanks for all the help
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  #8  
Old 10-15-2011, 10:26 AM
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Tell your mechanic that you'll be glad to get a new car when he's will to make the payments on it.

Check out this thread:
850GLT just noticed oil coming out of exhaust

Places oil will leak from:
Turbo return line.
Turbo oil cooler line.
Cam shaft seals.
Rear main seal.
Intake and exhaust cam seals (x4).
Oil cap.
Oil pan.
Oil pump seal.
Oil dip stick.
Access panel gaskets (on back of motor).

Most other leaks will be internal and blow black smoke out the exhaust.
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'95 850 T-5R Wagon - Panther - Daily Driver 22 / 28 mpg
'98 S70 GLT - Lil' Red - Daughter 22/30 mpg
--------------------------------------------
Volvo Repair Videos - Used Parts For Sale - Interior Lights For Sale - ABS Light? Click Here - Men's Mentoring
--------------------------------------------
Volvo's of time past: '87 740 GLE, '79 262C Bertone, '78 264, '95 960, '97 960, '98 S90, '98 S70 GLT, '95 850 T-5R Yellow, '95 960, ,96 850 R...

Last edited by rspi; 10-15-2011 at 10:26 AM. Reason: addition
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  #9  
Old 10-15-2011, 12:27 PM
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To the tune of draining the oil every two days there has to be major spill all over the bottom of the car and some of the suspects eliminated
Post those pics after degreasing all the gunk..
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  #10  
Old 10-15-2011, 01:02 PM
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The leak seems to be coming from behind the camshaft sensor and heat shield any tips?
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  #11  
Old 10-15-2011, 01:03 PM
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That should be a seal.
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  #12  
Old 10-15-2011, 01:09 PM
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Is this your problem?
http://www.matthewsvolvosite.com/for...hp?f=1&t=24925
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  #13  
Old 10-15-2011, 10:37 PM
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That is your rear exhaust cam seal. Here are my instructions for replacing the cam seals. I replaced both on the drivers side of the motor on these instructions.
Cam Seal Replacement, rear, 1998 Volvo S70 GLT - Volvo 850 Cam Seal Replacement

If the leak is due to a bad seal, you may want to replace all four. If the leak is due to a plugged PCV system, you may want to get ready to replace others soon. The plugged PCV system will blow all of those cam seals. Our S70 blew out 2 seals at the same time. Front intake and rear exhaust.
__________________
'95 850 T-5R Wagon - Panther - Daily Driver 22 / 28 mpg
'98 S70 GLT - Lil' Red - Daughter 22/30 mpg
--------------------------------------------
Volvo Repair Videos - Used Parts For Sale - Interior Lights For Sale - ABS Light? Click Here - Men's Mentoring
--------------------------------------------
Volvo's of time past: '87 740 GLE, '79 262C Bertone, '78 264, '95 960, '97 960, '98 S90, '98 S70 GLT, '95 850 T-5R Yellow, '95 960, ,96 850 R...
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  #14  
Old 10-16-2011, 10:44 AM
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Thanks for all the help guys ill be finished up today!
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  #15  
Old 09-21-2012, 09:43 AM
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Gentlemen-
Just joined last night and already have found an answer to an oil leak problem on my 1998 S70 t5. I have a small leak and after I clean the PVC I will go ahead with the Cam Seal replacement process just to make sure the leak stops. Cannot thank you enough!!!
Thanx, s70 Fanman
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  #16  
Old 09-22-2012, 06:47 PM
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Gents-
Just bought a 1998s70 t5, it has an oil leak that is losing a good amount daily, took the cover off the spark plugs to find the area awash in oil, and I cannot find the source. Also need to know where the PVC valve is on a turbo engine as I was unable to find it to clean the thing out. Any help is GREATLY APPRECIATED as I cannot afford Shop Time.
Thanx s70fanman
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  #17  
Old 09-22-2012, 07:27 PM
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Hi Fanman, welcome to the forum.

The PCV (possitive crankcase ventalation) is a system that needs to be serviced/replaced every 60,000 miles or so. I plan to replace mine every 100,000 (3 or 4 years for me). You can find that information and other good tips about your car in the 850 section.

Please take some time and read the sticky's. They are full of information that you will need to keep that car on the road.

Oh, if you have oil in your spark plug holes your cam cover will have to come off so you can replace the seals that go in there (yellow).

Click the image to open in full size.
__________________
'95 850 T-5R Wagon - Panther - Daily Driver 22 / 28 mpg
'98 S70 GLT - Lil' Red - Daughter 22/30 mpg
--------------------------------------------
Volvo Repair Videos - Used Parts For Sale - Interior Lights For Sale - ABS Light? Click Here - Men's Mentoring
--------------------------------------------
Volvo's of time past: '87 740 GLE, '79 262C Bertone, '78 264, '95 960, '97 960, '98 S90, '98 S70 GLT, '95 850 T-5R Yellow, '95 960, ,96 850 R...
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  #18  
Old 09-22-2012, 09:30 PM
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Default 1998 Volvo s70 t5 oil leak

when you find the leak PLEASE POST THE LOCATION, MY S70 LEAKS A LOT ALSO and I cannot find it. thanx
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  #19  
Old 09-22-2012, 09:35 PM
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RSPI
Thank You a bunch, I just spent the day servicing and leak hunting, your diagram of the PVC system is SPOT ON. Again I Thank You
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  #20  
Old 03-31-2013, 11:22 PM
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My S70 has of late developed an oil leak on the drivers side leading me to believe that the the seals on the Turbo return and or the oil cooler line have expired and begun to leak. I have plenty of time, tools and a reasonable amount of mechanical knowledge, but need to have a general idea and/or pictures of the process so I know if I can finish in one day or less, because the car is a daily driver and is depended on to get to work.
Thanx, s70fanman
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Old 03-31-2013, 11:22 PM
 
 
 
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1998, 98, cam, change, coming, exhaust, glt, hose, leak, leaks, oil, return, s70, seal, volvo


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