A few years ago, I replaced my alarm with a Volvo unit purchased from a Volvo dealer. This was due to the "Alarm System Service Required" message. It was plug and play, and the message was off at the next ignition key on...no Vida or engine cycles. I think your mechanic owes you an explana...

Light stays on solid. A broken tone ring will never feedback correct wheel speed. Call partsource or another local parts store (carquest, napa) and ask if their code reader reads ABS codes. Those places will scan your car for free. Look up the thread I’m active in regarding the JLR Mongoose Pro. I g...

It’s well documented in both text and youtube videos how to R&R a head and you have excellent help here on the forum. The cam locking tool kit isn’t expensive and you really don’t need any other special tools. Just go for it, you can do it!

Volvo is less likely to have lower block issues than most. If the car was not driven hard , badly neglected ,or tuned, I would put head gAsket failure to cracked block at 1000:1 odds

Look at your sources claiming cracked block is Issues. Have they torn down 1000 engines or just internet parrots?

I have not pulled up your prior threads so I don't know the mileage/kilometers on your car or how long you have owned it - that said it is unlikely block cracks will manifest themselves on a higher mileage engine without a very serious overheat. Usually a poor casting is the cause of an early block ...