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Help- Noise/Perfomance problem 200 1986

I have a 1986 240 DL Station Wagon. I just recently changed the oil, air filter and spark plugs. Before hand I had been having some idle issues and suspected the throttle body needed cleaning but havnt had the time to. After I changed the air filter oil and plugs, I had a few problems. First of all some times while accelerating the car has a lot of trouble-the rpms will rise and it doesnt seem to change gears-the car will speed up but not for a long time-it seems to mostly only happen on hills. The second problem is there seems to be a very horrible mettalic sound when I accelerate- and I cant tell what it is from. What I do know is that there is a wire right next to the oil filter that should be connected to the engine block but has come loose. It was fixed for me while I was out of town after the wire deteriorated and has now come undone-I plan to take it back where the work was done to have it resecured and I was curious as to what it was. Second is that there is a mettalic hose that comes from the left side of the engine out of what I belive is the exhaust manifold (but I'm not sure) which seems to be ripped-is it possible that it is related to my problems and what is this pipe exactly? Thanks for taking the time to read this
-Daniel
1986 240 DL 107,610 Miles








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    Help- Noise/Perfomance problem 200 1986

    Sounds like your acceleration problems could be the transmission slipping if it's an auto trans? If it's a manual transmission your clutch could be slipping. The rattleing sound when you accelerate is most likely the heat shield that's on the front header pipe. You can fix this by getting a large hose clamp and put it around the shield. The hose from the exhaust manifold is the preheater hose that goes to the air filter that would only be needed during the winter months to keep from having the throttle body ice up. Not sure what the wire your talking about is?

    Good Luck...
    --
    Volvos4me4ever 1989 245 266K miles still going strong








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      Help- Noise/Perfomance problem 200 1986

      That wire sounds like the oil pressure switch wire. To prove it, turn the key on, touch it to the block or the alternator case, and see if the oil light turns on. It plugs to the sender just under the exhaust manifold at the front of the passenger side of the block.
      The silver pre-heater hose is broken on every one of these cars. It's in the way for the oil filter change and that's probably how it got broken.
      It can be replaced or left like that with little consequence either way.
      Make sure it can't get into the alternator "hot" terminal.
      The rattles could be exhaust heat shields, which are common enough on these cars. They can be removed with a pry bar or a big scrwedriver easily enough. You won't miss them.
      As for power loss, I'm suspecting 2 plug wires got switched. Verify the firing order and position on the dist cap. The #1 plug wire should be on the cap closest to the water neck/ thermostat housing. There is a tick mark on the dist body, under the cap, showing where #1 should be. The dist rotates clockwise when viewed from above. (How else would you view it?)
      Good luck!
      --
      Rob Bareiss, New London CT ::: '87 244DL/M47- 229K, 88 744GLE- 218K, 82 245T-181K Also responsible for the care and feeding of: 88 745GLE, 231K, 87 244DL, 239K, 88 245DL, 246K








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    Help- Noise/Perfomance problem 200 1986

    Regarding the pipe from the left side of the engine. I assume you are referring to the side closest to the passenger side of the car. If so that is the exhaust manifold and a pipe which you can see connected directly to it from the passenger side biforcates leading to the catalytic converter. I have an '86 that has 3 pea sized holes on the top which I found by raising the car and listening then feeling the air escape. The holes are on the top of the pipe and cause a loud ride which can be heard from inside of the car. I am in the process of repairing this problem. If you decide to raise your car and check this out use extreme caution!!!! Good luck :>)







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