Here's some pictures of the aftermath:

The clamp was found behind the piece missing a bolt, laying on top of the engine block...

I paid $400 for this "service" and the dipstick still puffs smoke...going to the dealer tomorrow to fix whatever they forgot to do. I feel hosed. This is why I like to poke around and try and figure stuff out myself...although it just wasn't possible for this job.




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Anyone know what bolt is loose and what is missing it's bolt? Should I be concerned? Anything important? Also any guesses for the clamp? I'm guessing the dealer will have to fix it, but it still burns me I have to pay on top of paying the shop to replace the oil trap. I should've just gone to the dealer, this will end up costing more than just going there in the first place. Ugh.

 

That clamp looks like several that are in the engine compartment - actually several of them are used around the area of the throttle body. Which is pretty easy to get to.

To the left of the battery is a black shield with a single T-25 torx screw - remove that and you'll be looking at the throttle cable and some vacuum lines that go into the throttle body.

Check the flame trap - http://volvospeed.com/Repair/ftrap.php - there are a couple of clamps like the one you've got that are in use there. In those pics you can see the black shield I was talking about.

While you're in there you'll want to check the cleanliness of the throttle body and if you need a flame trap, it's $3.50 through FCP Groton - part number: 51.9602 - http://www.fcpgroton.com/volvo850oiltrap.htm

If they serviced the PCV they should've replaced the flame trap (I think).

Be careful with the vacuum hoses in this area, they slide on and off of their connections pretty easy but if you pressure them they can either snap (they are plastic tubes) or you'll snap the nipples off of the vaccum tree (which is also replaceable through FCP Groton). Just be patient and they'll slide right off and you can take it all apart.

 

Does it puff slightly while idling when you pull the dipstick?That may be OK depending upon the mileage and condition of the rings. I finally figured out how the Volvo (94 840 N/A anyway) PCV works. There is a metered orfice (fixed hole size) that the combustion gases are fed through into the throttle body via the hose between the throttle body and the air cleaner. Since the PCV inlet sits in FRONT of the throttle body, not much combustion gas gets pulled into the engine and burned. As the throttle is opened, more gets pulled into the TB. I suspect that during idle, some combustion gas is passed through the IAC (Idle air Control) valve, but it can't be much. Over all, this appears to me to be a poor design when compared to the typical PCV valves in at least the American iron. I can't speak for the Japanese, or other makes. The Volvo version is complicated, tough and expensive to service. Why they stick with this design is beyond me.

 

That small clamp kind of looks like the small-end clamp for the CV joint..... Hopefully it isn't but worth a visual inspection.

My '88 Accord had conventional PCV valve system. Volvo's PCV system seems to have some philosophy behind it[&:].


JPN

 

OK I found a picture that shows what the two bolts are connected to. What is that black cylinder on the right bolt?

It seems the left bolt is supposed to attached the "manifold bracket", which is currently flopping around in front of the engine block on my car because it's not attached to anything.

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That black cylinder looks like the Idle Air Control Valve, but I could be wrong.

The left bolt reminds me of the attachment for oil cooler hose bracket attachment but not exactly. Wait till others reply.

I would like to suggest that you replace the PCV components, especially now that I have witnessed a "hole"[:@].


JPN

 

The left bolt attaches to the manifold bracket IIRC there are two bolts that attach that bracket to the block.
The right bolt is attached to the starter.
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That helps big time thanks info2x.

I felt around and the manifold bracket is still lose, but the starter bracket doesn't move at all. Hey, now I know where the starter is on my car!

Thanks again
matt