Thank you for your response. I am curious about the abbreviation TBH ?

Never ran any type of injector cleaners, always used a quality brand fuel and trusted their additive would suffice. On performing the compression test, a warm engine most definately, and I plan to remove the coil wire and the fuse from the fuel pump. Another question, and I believe I read somewhere ...

1996 850 (non-turbo) bought in 2006 with 120K one owner Volvo Maintained. I continued all maintenance and ran 87 octane, unless I was planning a vacation trip to the NC Mountains then I'd fillup and use High-Test through-out the trip. While on vacation last June I was 'hammering up' the ole Mountain...

BTW....as I have been advised to drive the vehicle for several miles in hopes of freeing the stuck lifter.......what kind of damage could I been doing to the catalyst converter......with a valve stuck open/or burnt valve?

I do not have any compression numbers. I too am not fond of additives. I am familiar enough with Marvel Mystery Oil and have used it occasionally during my lifetime. But being faced with the possibility to remove the Head from my Volvo or possibly unsticking a valve I chose to try the MM Oil...which...

I have a 1996 Volvo 850 (non-turbo) 172000 miles, all maintenance schedules maintained. Recent Oil/Filter, all fluids topped. While driving 65-70 MPH on the Interstate, in the mountains, the Check Engine Light came on. Pulled over and noticed a rough idle, all systems fine (oil level, coolant, etc) ...

I began smelling burning oil inside the cab of my 850 (non-turbo) and finding I had no oil leaks further inspection revealed hose connection on my PCV line had seperated and was filling my engine bay with crank case smoke, thus entering the cabin when heater fan was on. The connection I found separa...

Thanks guys, I too had broke the connection on the small black vacuum line attached to breather. Then noticed the other end wasn't connected to anything and could not find where it needed to be. Thanks for the photos, mystery solved. I wanted to mention, I repaired the broke elbow at the breather en...

Thanks guys for all your feedbacks. I have absolutely enjoyed this site and what a resource for anyone that likes to maintain their own vehicle.

As the temperature cooled this winter I noticed my heater wasn't as warm as it should have been. I also notice the temperature gauge would climb to 3 oclock postion on morning warm ups but would soon fall to 4 and sometimes even 5 oclock once I began traveling at highway speed. I diagnosed the probl...