Engine vacuum is not a constant. It is very different at idle when compared to cruising speed or WOT and many functions, particularly the boost control, are tied to the vacuum level. The power brakes don't much care where it comes from and the booster is like a big vacuum "capacitor" that ...

Speaking about what's possible with enough work.

https://engineswapdepot.com/?p=35398

Pruned some posts that definitely were running low on lubricant.

Thanks for self moderating, people.

Let me know how I can help. I can give you a sub domain to use, etc.

Mine never sounded like this!

Actually, it seems unwise to remove the cam cover without first removing the timing belt, unless you use cam tools to secure the rear of the cams to the head. If you leave the belt on and just pull the cover, then the sprocket ends of the cams won't go anywhere, but due to pressure from the valve sp...

Spark plugs come in a blue package that says Volvo and models they fit on it.. ;-) Definitely going to be the best option! You can find good deals online for genuine plugs. I've always been a bit confused with what are the proper spark plugs for the T5. I see lots of recommendations for Bosch coppe...

Recently on a trip up to Canada and very cold temperatures the power steering system started to make noise when turning the steering wheel. This is my first 1999 S70-GLT. I have two 1998 70-T5s. There are a number of differences between the two types of PS systems. The old system you check the fluid...

Latest update. I used some coat hanger wire and fished around for the diverter inside the old PS tank. It is a tube with a right angle. There is a long side of about 3-4 inches and a short side of about 1 inch. The short end has a bevel cut into the end of the tube. This allows the tube to press alo...

Anyway, my point was that OP asked about flash tools, and that ELM is hit & miss for the 850. Some people get it to work, with the Torque app or other apps, some don’t. I’ve tried several times, and the best I could get was sporadic command line connectivity with pretty useless replies. A lot o...