luckykolo wrote: ↑25 Aug 2020, 16:13 Anyone has actually measured the voltage at the warming pad on the mirrors? Is it 12V? Thanks

Yes - 12 volts.

I recently replaced the rear springs and shock absorbers on my '97 855 GLT wagon. The shock replacement procedure has been written up before several times. I couldn't find a clear write up for the springs. There is a very helpful video by RobertDIY (http://robertdiy.com) that shows how to change the...

It is hard to say even with the video and sound. I can only suggest removing the timing belt and checking the tensioner and idler pulleys to see if they have noisy bearings. The crank pulley does had a harmonic balancer built in but no bearing as such. As you already look like you have the serpentin...

If it was a turbo then I would say it was the engine oil cooler thermostat, but you don't have one. Sorry but I am out of ideas other then checking the individual pulleys on the timing belt system. I re-read your notes above. Normally we only recommend Aisin or OE Volvo water pumps as other brands t...