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Car Forum / Volvo Cars / May 2006240 Blowing oil
My 1983 Volvo 240 is blowing oil from around the timing belt cover. What could be the possible cause or causes of this Any help in this mtter would be excellent Thanks Damien > My 1983 Volvo 240 is blowing oil from around the timing belt cover. What > could be the possible cause or causes of this [quoted text clipped - 3 lines] > > Damien Sounds like a plugged "flame trap" (underneath the intake manifold) and it caused a leaking seal... Ken Winnipeg > My 1983 Volvo 240 is blowing oil from around the timing belt cover. What > could be the possible cause or causes of this [quoted text clipped - 3 lines] > > Damien A very common problem - the flame trap is plugged, causing crankcase pressure to build up. An incredible amount of oil can be forced out in a very short time; our '85 Volvo expelled about 3 quarts before I could get off the freeway! Check out http://www.volvoadventures.com/howtodoflametrap.html for details. Don't let this go on very long as seals can be pushed out. Most of them can be pushed back in without great disassembly, but better to avoid it. Mike Another posibility is the front oil seal. If the oil is dripping down onto the water pump, it is a good indication that this seal needs replacing. There is another at the rear, which is often replaced when changing the clutch as a matter of course. For info - the crank case pressure build up problem is, as previously mentioned a common problem. On the later models and in particular B200 engines, advice from The Volvo Owners Club (UK) is to simply throw the flame trap part away as Volvo decided that they were of little or no use. Also by doing this, you allow the engine to breathe easier thus reducing the tendency for it suffering from pressure build up. Paul.C >> My 1983 Volvo 240 is blowing oil from around the timing belt cover. What >> could be the possible cause or causes of this [quoted text clipped - 15 lines] > > Mike > For info - the crank case pressure build up problem is, as previously > mentioned a common problem. On the later models and in particular B200 > engines, advice from The Volvo Owners Club (UK) is to simply throw the flame > trap part away as Volvo decided that they were of little or no use. Also by > doing this, you allow the engine to breathe easier thus reducing the > tendency for it suffering from pressure build up. So you pull the housing out, remove the trap from inside it and refit the empty housing? Given that the flame trap is a restrictor to limit the volume of crankcase vapour going into the intake manifold, does this change the way the engine runs at all?  SignatureAthol <http://cust.idl.com.au/athol> Linux Registered User # 254000 The state of infrastructure in New South Wales is a disgrace. I'm a Libran Engineer. I don't argue, I discuss. > > For info - the crank case pressure build up problem is, as previously > > mentioned a common problem. On the later models and in particular B200 [quoted text clipped - 7 lines] > volume of crankcase vapour going into the intake manifold, does this > change the way the engine runs at all? It isn't meant to restrict gas volume, but to arrest any flames from a backfire. No effect on how the engine runs - you just want to hope it doesn't backfire and send a flame through that hose... ... Signaturehttp://freevision.org/michael/index.html The advice to chuck the trap came from The Volvo Owners Club who advised that Volvo themselves stated that the trap could be chucked! Can't think of any one better to believe. Has anyone heard out their any knowledge of having removed the trap? >> > For info - the crank case pressure build up problem is, as previously >> > mentioned a common problem. On the later models and in particular B200 [quoted text clipped - 15 lines] > > ... |
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