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#1
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Leaking exhaust
fbloogyudsr wrote:
> "Ulf" > wrote > >> The exhaust on my '86 BMW 323i is leaking between the headers and >> front muffler. So while driving slowly and standing still some of the >> exhaust fumes are drawn into the car. This is very unpleasant, >> especially since the car doesn't have a cat and is using a lot of oil. >> I've tried sealing the leak with a paste, however it only lasted a few >> weeks and now it's leaking again. Here's a picture so you can see what >> I mean: >> >> http://members.roadfly.org/ulf/IMG_0974.JPG > > > That's one of the most-rusted header/muffler joint's I've seen. The > near joint is missing it's compression seal and clamp. You'll need > to take it apart and install a new one - they're inexpensive but the > job is going to be hard - best to torch off the bolts on the other > one and install new ones there, too. Thanks, but that sounded like too much work so I've tried sealing it with two component cement instead. Exhaust gases, or maybe it's only burned oil, is still entering the car though. Could the engine block be hot enough for oil to form fumes, or will that only happen to oil dripping on the headers/exhaust system? I know there's an oil leak at the front of the engine, but it's not that close to the exhaust. > >> Another problem is that the fuel tank is leaking. If I fill it up to >> max (55 liters) and park the car it's down to about 38 liters after a >> while. Of course, now I only fill it to half tank, but I'd like to fix >> it assuming it's easy. > > > It's probably hard - it's under the back seat. It might be the hose > joining the two together, which is easier. Hmm, filling half tank is easier, and cheaper... :-) > > Floyd Ulf |
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#2
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"Ulf" > wrote
> Thanks, but that sounded like too much work so I've tried sealing it > with two component cement instead. Exhaust gases, or maybe it's only > burned oil, is still entering the car though. Could the engine block be > hot enough for oil to form fumes, or will that only happen to oil > dripping on the headers/exhaust system? I know there's an oil leak at > the front of the engine, but it's not that close to the exhaust. Check the hood seal - if it's leaking you can get engine compartment air into the vent inlet ducts. The rubber is likely to be non-pliable on a car of your's age. Floyd |
#3
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"Ulf" > wrote in message ... > fbloogyudsr wrote: > > "Ulf" > wrote > > > >> The exhaust on my '86 BMW 323i is leaking between the headers and > >> front muffler. So while driving slowly and standing still some of the > >> exhaust fumes are drawn into the car. This is very unpleasant, > >> especially since the car doesn't have a cat and is using a lot of oil. > >> I've tried sealing the leak with a paste, however it only lasted a few > >> weeks and now it's leaking again. Here's a picture so you can see what > >> I mean: > >> > >> http://members.roadfly.org/ulf/IMG_0974.JPG > > > > > > That's one of the most-rusted header/muffler joint's I've seen. The > > near joint is missing it's compression seal and clamp. You'll need > > to take it apart and install a new one - they're inexpensive but the > > job is going to be hard - best to torch off the bolts on the other > > one and install new ones there, too. > > Thanks, but that sounded like too much work so I've tried sealing it > with two component cement instead. Exhaust gases, or maybe it's only > burned oil, is still entering the car though. Could the engine block be > hot enough for oil to form fumes, or will that only happen to oil > dripping on the headers/exhaust system? I know there's an oil leak at > the front of the engine, but it's not that close to the exhaust. > I seriously doubt you will find a glue that will not burn off. Oil leaks can be blown back on thne motor to a point that allows it to drip onto the exhaust system. If this is happening, the only sloution is to fix the leak. Your exhaust problem can be deadly though. I would encourage you to keep a window open all of the time, or better, get the damn thing fixed. > > > >> Another problem is that the fuel tank is leaking. If I fill it up to > >> max (55 liters) and park the car it's down to about 38 liters after a > >> while. Of course, now I only fill it to half tank, but I'd like to fix > >> it assuming it's easy. > > > > > > It's probably hard - it's under the back seat. It might be the hose > > joining the two together, which is easier. > > Hmm, filling half tank is easier, and cheaper... :-) > > > > > Floyd > Ulf |
#4
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>Your exhaust problem can be deadly though. I would encourage you to keep a
>window open all of the time, or better, get the damn thing fixed. Or get a snorkel, like the guy in this story from June 2004 "Rock and Ice" magazine (excerpt appended). ---- cut here ---- -"Rock and Ice", June 2004 For better or worse, my climbing partner for Peru last summer was Jim Earl. He had an obsession with junker cars, had completed probably more first ascents than any active Montana climber, and professed a special love for Jesus. About 10 years ago he drove a 1976 Datsun 710 station wagon whose tail end always dragged. It was dented, paint-peeling yellow, and adorned with a sequined crucifix that glittered in the sun and seemed a bit too large for the rearview mirror. The crucifix came with the junker, giving the car its name, and Jim deemed suggestions to remove the crucifix as blasphemous. But Jesus had problems. Exhaust leaks caused carbon-monoxide poisioning. Jim's girlfriend threw trantrums upon any suggestion that she ride in Jesus. Even Jim couldn't last long - but he's a practical man, so he drove the 500 miles to his summer guiding job with a snorkel in his mouth, attached to vinyl tubing leading to a funnel duct-taped to the roof. He sputtered along the interstate, oblivious to the bewildered family vacationers in minivans alongside him. Incredibly, that summer Jim stumbled upon someone with the identical car - make, year, color, everything. Engine didn't work, body was fine: $25. Jim had both carrs on a friend's lawn, a complex array of pulley systems rigged from trees, and was swapping engines. He'd no mechanical background and no guidance, but "How hard can it be?" Jim asked. Swap the engine, swap the plates, ditch the leftover nuts and bolts, re-hang the crucifix, and Jesus hath risen. |
#5
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fbloogyudsr wrote:
> "Ulf" > wrote > >> Thanks, but that sounded like too much work so I've tried sealing it >> with two component cement instead. Exhaust gases, or maybe it's only >> burned oil, is still entering the car though. Could the engine block >> be hot enough for oil to form fumes, or will that only happen to oil >> dripping on the headers/exhaust system? I know there's an oil leak at >> the front of the engine, but it's not that close to the exhaust. > > > Check the hood seal - if it's leaking you can get engine compartment > air into the vent inlet ducts. The rubber is likely to be non-pliable on > a car of your's age. Thanks for the tip. It looks ok, but just to be sure I ordered a new one. > > Floyd Ulf |
#6
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Jeff Strickland wrote:
> "Ulf" > wrote in message > ... > >>fbloogyudsr wrote: >> >>>"Ulf" > wrote >>> >>> >>>>The exhaust on my '86 BMW 323i is leaking between the headers and >>>>front muffler. So while driving slowly and standing still some of the >>>>exhaust fumes are drawn into the car. This is very unpleasant, >>>>especially since the car doesn't have a cat and is using a lot of oil. >>>>I've tried sealing the leak with a paste, however it only lasted a few >>>>weeks and now it's leaking again. Here's a picture so you can see what >>>>I mean: >>>> >>>>http://members.roadfly.org/ulf/IMG_0974.JPG >>> >>> >>>That's one of the most-rusted header/muffler joint's I've seen. The >>>near joint is missing it's compression seal and clamp. You'll need >>>to take it apart and install a new one - they're inexpensive but the >>>job is going to be hard - best to torch off the bolts on the other >>>one and install new ones there, too. >> >>Thanks, but that sounded like too much work so I've tried sealing it >>with two component cement instead. Exhaust gases, or maybe it's only >>burned oil, is still entering the car though. Could the engine block be >>hot enough for oil to form fumes, or will that only happen to oil >>dripping on the headers/exhaust system? I know there's an oil leak at >>the front of the engine, but it's not that close to the exhaust. >> > > > I seriously doubt you will find a glue that will not burn off. Oil leaks can > be blown back on thne motor to a point that allows it to drip onto the > exhaust system. If this is happening, the only sloution is to fix the leak. You were right. It didn't last many miles... :-( I'll look at it tomorrow and see if I can figure out something else. Removing the exhaust system seems like a lot of work. > > Your exhaust problem can be deadly though. I would encourage you to keep a > window open all of the time, or better, get the damn thing fixed. I open the sunroof a little, it helps with the smell too. > > > > > >>>>Another problem is that the fuel tank is leaking. If I fill it up to >>>>max (55 liters) and park the car it's down to about 38 liters after a >>>>while. Of course, now I only fill it to half tank, but I'd like to fix >>>>it assuming it's easy. >>> >>> >>>It's probably hard - it's under the back seat. It might be the hose >>>joining the two together, which is easier. >> >>Hmm, filling half tank is easier, and cheaper... :-) >> >> >>>Floyd >> >>Ulf > > > Ulf |
#7
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"Ulf" > wrote in message ... > Jeff Strickland wrote: > > "Ulf" > wrote in message > > ... > > > >>fbloogyudsr wrote: > >> > >>>"Ulf" > wrote > >>> > >>> > >>>>The exhaust on my '86 BMW 323i is leaking between the headers and > >>>>front muffler. So while driving slowly and standing still some of the > >>>>exhaust fumes are drawn into the car. This is very unpleasant, > >>>>especially since the car doesn't have a cat and is using a lot of oil. > >>>>I've tried sealing the leak with a paste, however it only lasted a few > >>>>weeks and now it's leaking again. Here's a picture so you can see what > >>>>I mean: > >>>> > >>>>http://members.roadfly.org/ulf/IMG_0974.JPG > >>> > >>> > >>>That's one of the most-rusted header/muffler joint's I've seen. The > >>>near joint is missing it's compression seal and clamp. You'll need > >>>to take it apart and install a new one - they're inexpensive but the > >>>job is going to be hard - best to torch off the bolts on the other > >>>one and install new ones there, too. > >> > >>Thanks, but that sounded like too much work so I've tried sealing it > >>with two component cement instead. Exhaust gases, or maybe it's only > >>burned oil, is still entering the car though. Could the engine block be > >>hot enough for oil to form fumes, or will that only happen to oil > >>dripping on the headers/exhaust system? I know there's an oil leak at > >>the front of the engine, but it's not that close to the exhaust. > >> > > > > > > I seriously doubt you will find a glue that will not burn off. Oil leaks can > > be blown back on thne motor to a point that allows it to drip onto the > > exhaust system. If this is happening, the only sloution is to fix the leak. > > You were right. It didn't last many miles... :-( I'll look at it > tomorrow and see if I can figure out something else. Removing the > exhaust system seems like a lot of work. > There are exhaust clamps that you can put on. Visualize a clamp that is round like the pipe, but long - maybe 6 inches or so. On each end is a hose clamp-like thingy. This would solve your immediate problem of noise and exhaust fumes, it would not cure any oil dripping onto the exhaust system though. |
#8
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Jeff Strickland wrote:
> "Ulf" > wrote in message > ... > >>Jeff Strickland wrote: >> >>>"Ulf" > wrote in message . .. >>> >>> >>>>fbloogyudsr wrote: >>>> >>>> >>>>>"Ulf" > wrote >>>>> >>>>> >>>>> >>>>>>The exhaust on my '86 BMW 323i is leaking between the headers and >>>>>>front muffler. So while driving slowly and standing still some of the >>>>>>exhaust fumes are drawn into the car. This is very unpleasant, >>>>>>especially since the car doesn't have a cat and is using a lot of oil. >>>>>>I've tried sealing the leak with a paste, however it only lasted a few >>>>>>weeks and now it's leaking again. Here's a picture so you can see what >>>>>>I mean: >>>>>> >>>>>>http://members.roadfly.org/ulf/IMG_0974.JPG >>>>> >>>>> >>>>>That's one of the most-rusted header/muffler joint's I've seen. The >>>>>near joint is missing it's compression seal and clamp. You'll need >>>>>to take it apart and install a new one - they're inexpensive but the >>>>>job is going to be hard - best to torch off the bolts on the other >>>>>one and install new ones there, too. >>>> >>>>Thanks, but that sounded like too much work so I've tried sealing it >>>>with two component cement instead. Exhaust gases, or maybe it's only >>>>burned oil, is still entering the car though. Could the engine block be >>>>hot enough for oil to form fumes, or will that only happen to oil >>>>dripping on the headers/exhaust system? I know there's an oil leak at >>>>the front of the engine, but it's not that close to the exhaust. >>>> >>> >>> >>>I seriously doubt you will find a glue that will not burn off. Oil leaks > > can > >>>be blown back on thne motor to a point that allows it to drip onto the >>>exhaust system. If this is happening, the only sloution is to fix the > > leak. > >>You were right. It didn't last many miles... :-( I'll look at it >>tomorrow and see if I can figure out something else. Removing the >>exhaust system seems like a lot of work. >> > > > There are exhaust clamps that you can put on. Visualize a clamp that is > round like the pipe, but long - maybe 6 inches or so. On each end is a hose > clamp-like thingy. This would solve your immediate problem of noise and > exhaust fumes, it would not cure any oil dripping onto the exhaust system > though. I've seen those, however I doubt it would fit over the that triangular thing with holes in it. I've done another (temporary?) fix, if that doesn't work I have no other choice than to take it apart and fix it for real. BTW, thanks for your help. http://members.roadfly.org/ulf/IMG_0981.JPG > > > > > > Ulf |
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