I currently considering the purchase of one of two 240's that i'm looking at. Both of them have the exhaust manifold leading to a short downpipe which then connects to a very cheap looking flexi-tube that leads toward the front of the car!? but it must turn and head to the cat and proceed to the rest of the exhaust system...i just can't see where. I was suprised to see this cheap tubing on both volvos...is it stock? and why does it need to head toward the front of the car? where does it turn to...where is the cat? If the volvo wasn't a fair drive from my house i'd go out and look at it. The nicer of the two im looking at was stored for 2 months and i was the first customer to look at it.....when the owner started it up it sounded like a tractor! He popped the hood and this cheap flexi-tube wasn't connected to the manifold. I figured that was the cause of all the exhaust noise....i came back a day later and he had re-connected it but it was still just as loud...he said it needs a muffler but the muffler looks new. If any of you have pics of the exhaust layout, i'd love to know what im looking at before i go back to inspect it.
-Phil

hey volvo pro...

sounds like you are looking at the corrugated tubing that routes heated air towards the airbox. That doesn't route exhaust gases, rather, the air that comes through that tube is heated by running alongside the exhaust system (but not through!), then through the tube towards the intake. The exhaust should continue down, beyond the corrugated tube, and passes underneath the firewall on the passenger side, running towards the back of the car. If it's sounding like a tractor, it's probably not because of the corrugated tube. I'd consider taking it, and the associated metal plates, off in order to ensure no heated air is going into the airbox when the intake thermostat misbehaves.

you'll probably have to do some checking to find the exhaust leak.

You are looking at the pre-heat hose for the intake. It collects heat from the exhaust manifold and directs it to the air intake box. It is supposed to help performance in cold weather. Most disconnect it all together or at least disable the valve in the bottom of the intake box so the hot air does not destroy the AMM.

You might want to check the 700 FAQ. There is a section on buying a used Volvo. Much of it will apply to 200 series cars as well.

Good luck,

Dan

Ah-hah.....YES, I do remember the setup now...i owned a 240 for a year as a first car and my memory of it is fairly dim. The heaving-puffing-tractor noises of the unmuffled exhaust seem to be coming more from the engine/front of car area than at the back of the car so is there anything I should pay attention to?

I'm sure its a fairly simple fix...a leak or disconnected muffler or such. fingers crossed.

thx for the help

-Phil

My limited experience on this subject tells me you may have a problem with exhaust the manifold gasket. I have fought with this on my 244 turbo, but much easier on a car without the turbo. If all else is ok with the car, I wouldn't be afraid of it. Just be ready to bust some knuckles and be careful you don't overtighten the studs into the aluminum head.
Mark
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'94 940 NA Wagon, '84 244t, '84 245 DL