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Damaged engine block?

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Riordannk
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Post by Riordannk »

A cylindrical metal part at the top of the engine block used to be flush and is now protruding upwards unevenly. Sorry I don't know the name of the piece, and this has limited my ability to effectively search the forum. I've attached a photo of the part on a vacuum diagram and a picture taken in the engine compartment of the Volvo in question. The vehicle starts and runs well and is not leaking fluids, so I'm wondering whether to consider this a 'disaster waiting to happen' and take action or 'let a sleeping dog lie.'

I noticed the change in position/shape of this metal part at the same time I replaced the radiator following a minor coolant leak. The Volvo is an XC70 AWD 2000.

Many thanks!

Nick
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vacuum_diagram.jpg
20190204_141543.jpg

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June
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Post by June »

It is a plug. Check the PCV with glove test. June
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June
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Post by June »

Oh that is the cam cover, not the block. Perhaps that will help your searching. June
My Volvo cars owned
1989 740 GLT ordered
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1996 960 ordered
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1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
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Chuck W
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Post by Chuck W »

That is a plug.
As June said, do the PCV "Glove test". You'll wind up seeing an oil leak there at that plug, if you do have a problem with excessive crankcase pressure (Due to a clogged PCV system).

You should be able to tap that back into place, if you're careful and not ham-fisted about it.
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ZionXIX
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Post by ZionXIX »

I believe that plug is supposed to be installed with a special type of glue
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ZionXIX
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Post by ZionXIX »

When I check on volvo parts lisle site I think this is the part number for a new plug:

Volvo 1361451
Scarlett: 1996 850 Turbo Wagon in Reagent Red Pearl ~210K mi
Norman: 2012 F150 XLT Crew Cab in Oxford White ~110K mi
Ember: 2005 XC90 2.5T FWD in Ruby Red Metallic ~83K mi *Newest addition to the fleet*
Ruby: 1997 850 Turbo Wagon in Reagent Red Pearl - parts car
Rose: 2020 Ram 1500 in Delmonico Red Pearl - SWMBO's Vehicle

JimBee
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Post by JimBee »

What is its purpose?

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RickHaleParker  
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Post by RickHaleParker »

Purpose is so Volvo can locate the Oil filler on either side of the engine.
Take a rubber mallet and tap the plug back down, then keep a eye on it.

Do the PCV glove test.
Glove stands up = Fail.
Glove suck down = pass.
Make sure you tie down the glove as shown in the video so that it does not get sucked into the engine.

[youtube][/youtube]
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Post by erikv11 »

Locate the oil cap on either side, that would be.
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Post by abscate »

It's Volvo Yin/Yang

If your VIN starts with Yin, the oil filler is in front. If it is Yang, the oil filler is also in front.
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