Volvo recommends premium, but it can run on regular just fine without affecting the life of the engine.
In turbo models, the ECU dials back the turbo if you feed it regular, so performance will decrease, but the engine will run just fine.
in the gas tank
Any 10W-30 oil meeting the API-SM specification is recommended for the 1995 Volvo 850.
There's no Volvo 850 2000. What you likely saw was a S70.
Type your answer here... BIG!
go to your local Volvo dealer, there is a recall or fix for that at no charge!
10W30 if you get winter. If you dont get winter then 10W40.
dextron III or IV
The Volvo 850 has two horns in front of the radiator, lift the hood and their they are.
There's no 2.0L. Volvo 850 engine. Only 2.3L. & 2.4L. ...
== == Hope this helps, RM == == == == == ==
The diesel turbo can only fit on a Volvo 850 with a little fabrication.
Atf dexron iie/iii or ford mercon