change your oil regularly, folks!

Post by **j-dawg** » 01 Dec 2018, 18:14

Or else you get this nightmare. Allegedly 121k on this '02 T5 motor. I have to wonder if the previous owner *ever* changed their oil. The bearings all feel fine but you bet I'm going to check compression as soon as I can.

Post by **j-dawg** » 01 Dec 2018, 18:20

And a question - what's the bottom of the PCV channel in the oil pan supposed to look like? It's clogged on mine, so I've got it soaking in acetone. Where is it supposed to drain into the pan? At the bottom?

WhatAmIDoing · Post by **WhatAmIDoing** » 01 Dec 2018, 21:11

Maybe s/he did change the oil regularly, but with Wallyworld supertech dino oil. And by regularly every 10k miles.

Post by **erikv11** » 01 Dec 2018, 21:51

That channel in the block continues into the channel in the oil pan, which makes a 90˚ turn at the bottom of the sump. So it looks like you have the pan off and the answer to your question is a simple "yes."

Post by **erikv11** » 01 Dec 2018, 21:53

WhatAmIDoing wrote: ↑01 Dec 2018, 21:11 Maybe s/he did change the oil regularly, but with Wallyworld supertech dino oil. And by regularly every 10k miles.

For the record, I swear by SuperTech DexIII (dino) for all of my P80 cars. It's the only thing I've ever used in them. I do keep it clean.

Post by **abscate** » 02 Dec 2018, 05:02

Mike posted a trick about clearing this port by ramming plastic tube into the gunk and then cutting the end off each time it plugged until you worked it through once the passage is open. You can gun brush it and then run multiple oil changes to get the rest of the crud out.

dobrosailor · Post by **dobrosailor** » 03 Dec 2018, 04:44

V70, Lubrication System Contamination Cleaning.pdf: (1.12 MiB) Downloaded 564 times

I just went through this nightmare on my V70 pulling the pan, luckily my engine was pretty clean inside. I am going to Synthetic oils as this Volvo notice suggests. even the box could be cleaned out - didn't have to replace it. I have to say Castrol GTX green kept this motor very clean over the 50k I've run this motor but I'm taking Volvo's advice here...

Sommerfeldt · Post by **Sommerfeldt** » 03 Dec 2018, 04:47

dobrosailor wrote: ↑03 Dec 2018, 04:44 V70, Lubrication System Contamination Cleaning.pdf

I just went through this nightmare on my V70 pulling the pan, luckily my engine was pretty clean inside. I am going to Synthetic oils as this Volvo notice suggests. even the box could be cleaned out - didn't have to replace it. I have to say Castrol GTX green kept this motor very clean over the 50k I've run this motor but I'm taking Volvo's advice here...

Jaysus, the pictures in that thing are nightmare fuel.

- S

Post by **abscate** » 03 Dec 2018, 05:03

I'm a little unclear on the path of the oil sump port. The document shows the port is a 180 degree trap, where does the external port connect to that port exactly?

Post by **erikv11** » 03 Dec 2018, 08:35

The lower port for the oil trap is in the engine block. That channel connects at 90˚ to a vertical channel in the block, which connects to the square channel in the top of the oil pan.

Is that what you're asking?