For what it's worth, on my 1997 855 GLT the IAC/ICV idle air control valve looks like Volvo part number 9454745.

Yes, in 1997 the GLT got a light pressure turbo. In 1996 it was naturally aspirated.
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I put some photos of the butyl rubber strip and how I fixed it on my '97 855 here: viewtopic.php?t=92586&start=10

That piece of rubber broke loose on my car a while back... I used a rubberized epoxy to bond it back in place... has been holding up fine so far. The source of the water leak may be in the channel underneath the weatherstrip. You may be able to pry it up gently and find the source and plug it, then ...

Just an update...I again used and benefited greatly from the door card removal instructions above. Grateful for MVS and all the knowledge and resources here. The driver's side door latch bushings failed so I replaced them... Got to use my 'reach-all' grabber. I don't get to use that very often. I'm ...

I have had OK luck (about 18 months so far with no issues noted) with NAPA Adaptive One calipers on the rear of my car.
There is a helpful write-up on brake caliper issues/repairs here: viewtopic.php?t=102449

A few years back I replaced the camshaft position sensor, crankshaft position sensor and the throttle position sensor with new Bosch units. None of. them was failing.... it was just a preventative measure. Last year, the fuel pump relay failed again... it was a new OEM relay from 2016. I wish I had ...

I did the week-in-advance P'Blaster treatment, followed by brief propane heat treatment right before, and had an easy time with the flare nuts using a flare nut wrench.