Here is the massive discussion of 'key won't turn'
viewtopic.php?t=67531

It is a common problem for higher mileage P2 Volvos. Most people seem to remove the anti theft feature and don't replace all the switch.

volvolugnut

Yes.

No, the tumblers never wear.
The fault was small little pieces that broke and blocked the key from rotating.
You already solved the problem permanently.
Do not overthink it.

I just checked the material using a magnet. The bottom plate is steel. The broken piece is part of the Steering Lock system. The broken piece is aluminum, being a softer metal, it breaks after x cycles of use. If they made this out of steel, no issues. Most BMWs don't have this issue. The BMW tumble...

Love that camera and those Daschunds! I took photography in grade school and would like to get into it again if I had room for a darkroom and all those developing trays and those chemicals, probably not practical today. Do you develop your own film? I wonder if all that stuff is still available for...

. Started with the rear Monroe air shocks in the 78 Cougar XR7. Tried a pair of rear Monroe Load Adjusting Shock (Coil Over Shocks) on the 03 Odyssey to recent KONI front struts in the P1 08 C30 T5, I've never had a smooth replacement experience as yours. On the 05 GS430 the loaner compressor from A...

The lock cylinders are made in Germany. They drop shipped mine and the customs paperwork had country of origin. I believe Valeo is the manufacturer

Not sure my pictures will be much help This is an eBay image to show the position of the holes All red arrows are where the cooling fan harness is clipped into. All yellow arrows are for the alternator A/C harness (I presume that's where the wires go!!!) h4.jpg I'm not sure if there should be a fir ...

Restored the leather on my XC70's steering wheel. Car has 190K on it and the original coating of the leather wheel had worn off down to the underlying leather material. It was pretty disgusting. I used a product called Leathemagic. They offer two Volvo-like colorants called Oak/Arena and Oak. My car...

I got the rebuild kit on ebay a few years ago.

https://www.ebay.com/itm/323454791943

The seller's name is AWD Pump Repair.

The name of the part includes the Volvo oil pump PN:

Haldex AOC Gen 1, 2, 3 precharge pump repair kit - Maxi. Fit Volvo OE 30783079