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What did you do to your Volvo today?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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BlackBart
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Re: What did you do to your Volvo today?

Post by BlackBart »

Like on the distributor end?
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Re: What did you do to your Volvo today?

Post by bmdubya1198 »

Yup. Pull the cap and see if there's a bunch of oil in there.
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Re: What did you do to your Volvo today?

Post by ZionXIX »

The oil dipstick tube connects right around that area too.
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Re: What did you do to your Volvo today?

Post by BlackBart »

I looked at that. Possibility. There's an oil drip on the bottom of the manifold - unless it's spraying from way down there...
I'll check the cam seal at the distributor. I've had a PCV elbow hose split on my P2 and it really sprayed oil all over the front side, so that's suspect as well.

There's an even sheet of oil running down the side of the pan - a long trail of drips, rather than a big spot.

What is this T and fitting with the red arrow here off the long crank gallery? I found this in a very old MVS post.

Oil-02.jpg
Oil-02.jpg (97.28 KiB) Viewed 133 times
ex-1984 245T wagon
1994 850T wagon
2004 XC70 wagon BlackBetty
Is it time for a 1964 122 wagon?
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Re: What did you do to your Volvo today?

Post by BlackBart »

Volvo DOHC left copy.JPG
ex-1984 245T wagon
1994 850T wagon
2004 XC70 wagon BlackBetty
Is it time for a 1964 122 wagon?
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Re: What did you do to your Volvo today?

Post by ZionXIX »

BlackBart wrote: Sun Sep 20, 2020 1:21 pm I looked at that. Possibility. There's an oil drip on the bottom of the manifold - unless it's spraying from way down there...
I'll check the cam seal at the distributor. I've had a PCV elbow hose split on my P2 and it really sprayed oil all over the front side, so that's suspect as well.

There's an even sheet of oil running down the side of the pan - a long trail of drips, rather than a big spot.

What is this T and fitting with the red arrow here off the long crank gallery? I found this in a very old MVS post.


Oil-02.jpg
I'm pretty sure that is for the oil pressure sensor
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Re: What did you do to your Volvo today?

Post by BlackBart »

That makes sense - it should be the lower one about in line with the crankshaft centerline.

Just did a glove test on startup - it is not inflating the glove, but it's certainly not sucking it in.
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1994 850T wagon
2004 XC70 wagon BlackBetty
Is it time for a 1964 122 wagon?
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Re: What did you do to your Volvo today?

Post by BlackBart »

I feel like I'm hijacking this "What did you Do" thread. Should I start a new one...? This is almost solved.

No smoking gun yet. The distributor cap and alum housing are dry. The front (cam wheel) end of the block is dry.

Is it me, or does the P2 have a lot more room to see and maneuver under the intake than the 850T? It may be the big ram's horn / barrel intake is way deeper than the flat-ish P2. I could reach the PCV hose clamp on the block from above and to the transmission end of the block on the P2. The starter, the knock sensors, PS hoses, and a lot of wiring in the way. I lifted the car and I'm trying to see with a mirror from below.

The underside of intake runners 1-2-3 are dry. Runners 4 & 5 are wet. 4 is directly above the oil pressure sensor. The dipstick tube is just forward (towards the cam gears) of that on the block. I snugged up the oil pressure switch, but it was tight. The big side hose with the 90º on the PCV is wet, and the block, as is most everything under there. I don't see any cracks in that hose, the clamp appears ok, but so did my P2 when it split.

So I think something is spraying, to get oil on everything, and running off the pan. I think the intake probably has to come off, then you might as well replace the PCV.
Last edited by BlackBart on Sun Sep 20, 2020 10:36 pm, edited 1 time in total.
ex-1984 245T wagon
1994 850T wagon
2004 XC70 wagon BlackBetty
Is it time for a 1964 122 wagon?
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Re: What did you do to your Volvo today?

Post by abscate »

You need to get the intake off to determine if it’s pcv leak, oil pressure sender leak, or head gasket leak
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Re: What did you do to your Volvo today?

Post by j-dawg »

Does your dipstick stay seated while you go ham on the throttle? Mine used to eject itself and spray out oil.

The rearward port in that image is to insert a special crankshaft locking tool.

Foof a fine layer of baby powder onto the block and go for a drive, and you should be able to follow any trail of fresh from leaks. You can probably do that with the intake piping dismantled. Might be a pain to clean up, though.
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