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RWD - New to me 1991 240

Volvo RWD 200 Forum

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New to me 1991 240 200

I just bought my 4th RWD Volvo and thought I would share my first week of ownership. Car is blue green 240 sedan with 188K on the clock. The car drives really nice, very smooth, maybe a little soft compared to my older 740 GLE and my 85 Wagon, Service records going back 7 or 8 years. Indicating a engine rebuild about 22K ago, several MAFs, the blower motor, a couple of catalytic converters, etc.. The car ran fine and everything worked when I bought it, it did have a little miss at idle. The guy I bought it from agreed to have a look at it and ended up replacing the spark plugs for me and that cleared up the miss.
Later upon inspection I did find the airbox thermostat cold side failed shut, so the motor was being heated by the exhaust duct constantly in Texas. As an interim measure I disconnected that pipe at the exhaust manifold and ran it up to the top of the engine bay. That changed the way the car ran for the better. So I completely disconnected the duct.
Then the Catalytic converter broke and sent chunks to the resonator causing an awful rattle. After replacing the cat and deleting the resonator, she seems to be running great.
Hopefully Im out of the woods for now with regards to things that need immediate attention.
Im happy to address the little things as I go along.
looking forward to learning more from you guys, and having fun with car.
I am planning to bring it to Radwood Austin at the end of Feb.

Don





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    New to me 1991 240 200

    It was puzzling to me that there were no service records indicating that the airbox T-stat was bad. I will be doing the airbox mod when it stops raining this week. Also did not find a single receipt for servicing the flame trap or oil separator, but there are a couple of valve cover gaskets that were replaced. So the flame screen is the next thing to check / replace. I know the shop that worked on it and they have a very good reputation. So I am chaulking up some of the service history gaps to missing information/lost records.





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      PCV 200

      Welcome to the B.B.!

      Quick story: Since you don’t know the service history of the PCV system, I suggest checking out the condition of the flame trap hoses as well as the flame trap and breather box. My 90 240 had a clog in its PCV system that was difficult to track down. The rear main seal had begun leaking and I suspected a clogged PCV. I cleaned the breather box and replaced the flame trap/screen but the leak continued...:( Then I replaced the small hose (clogged) from the flame trap to the intake manifold and voila, amazingly the leak dried up! Cost me 78 cents...:)
      --
      Will I buy another Volvo??? We'll see....





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        PCV 200 1991

        I think you are on to something I got under her yesterday to do an oil change, I also removed the belly pan to be able to check things out better. There does appear to be a rear main seal leak, and the rebuilt the engine about 24K ago so I would have THOUGHT that all that cheap rubber and plastic would have been renewed at the point. At least thats what I would have done. I did not get my hand on the flame trap yesterday as time got the better of me. I had 3 oil changes and services to do, before the rain came. Hopefully I can get to it today.
        Does the system work OK with one of the IPD relocation kits for the flame screen? Mine is kind of buried under the intake.





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          PCV 200 1991

          You shouldn't need the relocation kit. The flame trap on your 91, and all newer 240's, should be above the intake. The older 240's had it under the intake.

          You might end up needing to replace everything in the PCV system. Although I choose cleaning rather than replacing my breather box. The small hose to the intake (that I mentioned in my previous post) and the breather box hose are both prone to clogging. As are the flame trap and breather box.

          One more thought. I kept the flame trap but I tossed the flame trap screen on both my 240 and 850. Not a single issue with either car. The screen can definitely clog. Your call....







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            PCV 200 1991

            Make sure the intake manifold nipple that the small hose goes to is not clogged. Run a small drill bit through it by hand to make sure. I've seen many clogged ones. Good luck with the car. My favorite thing about the cars besides quality and safety is the visibility from the drivers seat. Mike T.





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            PCV 200 1991

            I did check it yesterday, you are correct it was pretty easy to access between the intake runners. The small hose was soft and mushy so I replaced it, the screen was not clogged but it was dirty, I cleaned that as well. The rest of the hoses seemed ok, but I'll check for leaks oil leaks and see how it goes. Thanks for the advise.





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      New to me 1991 240 200 1991

      " I know the shop that worked on it and they have a very good reputation."

      An independent auto shop can acquire and deserve a good reputation without being aware of the idiosyncrasies of RWD Volvos. That's why we're here! Welcome.

      Airbox Thermostat Replacement
      --
      Art Benstein near Baltimore

      Women spend more time wondering what men are thinking than men spend thinking.





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    New to me 1991 240 200

    Hi,

    Welcome to the Brickboard as we need new blood on the 200 series. If you end up with a few clots causing any problems, tell us about them.
    If we all can think on them together, it helps to keep our brains working smoother!

    @ 188K on the body and a new 20K heart you are off to some good rolling!

    It sure had a lot of Air Mass Meters. That will break anybody’s bank!
    I’ll bet it was that stove pipe off the exhaust manifold!
    Unscrupulous shops got their boat payments from that car!

    We usually leave the aluminized/paper pipe on there to fool inspectors.
    The wax thermostat gets tossed and I put a small 5/8” square block of anything in there to force the flap over shut.
    I have read that a small rubber hand ball works in the tube of the housing too!
    It goes into the pipe behind the flap in case the flap is missing a gasket or gone all together!
    That whole affair snaps out!

    Again welcome!

    Phil





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