Question about BMW L7
Hi, my 2007 citroen dispatch has wite smoke coming out of exhaust on start up it seems to be mostly in 1st / 2nd gear and then once it warms up it seems ok is this normal
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Posted on Jan 02, 2017
SOURCE: White smoke from Exhaust
hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks
Posted on Jul 22, 2009
SOURCE: mini cooper s 2006
You probabily have an exhaust leak. Either that, or it is just fumes
being ignited within your exhaust pipes. Some popping is normal,
expecially if you have a custom exhaust.
Your dealership should be able to tell you what's wrong
Posted on Jun 29, 2008
Lots of things to check
?Leaking head gasket
Does it use brake fluid
Start engine only fo a few seconds, shut down, remove all spark plugs to see which ones are fouled
Posted on Aug 11, 2009
SOURCE: power loss, black smoke
Hi, the problem you are having is going to be with the turbo you will probably find one of the hoses going to the turbo has either come off or has a split in it.
It can be hard to find the split but this is the most likely cause of the problem.
As the car is losing power at high revs then this indicates that either the turbo itself has failed or it could just mean that their is a split in one of the hoses.
A split hose is the most likely cause you will need to inspect every part of all the hoses connected to the turbo. When these pipes get a split they dont then have the correct pressure for the turbo to work at best running conditions this is the smoke your seeing out the back.
a good way to check this is by the amount of oil in the car if your regular topping it up then this would mean looking deeper into the engine to find out why oil is getting into the cylinders but if you are not topping the oil up then this would mean their is no fault with the engine.
So have a good look around the turbo pipes give them a good squeeze the split might only tiny but that is all it takes to cause the problem your having.
If you are unsure at what to look for then its best left to a garage as they would have a good idea where the fault would most likely be.
Let me know if you need further assistance ok.
Posted on Aug 24, 2009
you surprise me,these vehicles are bullet proof under normal circumstances and yes the syncros can wear out like any make of vehicle ,but this old grandad who passed his test in a viva with no syncro on first gear ,and passed his hgv on a vehicle with no syncros at all was taught to drive in a different era and rule one was neutral and handbrake on when stopped ,not holding it on a hill by slipping the clutch ,secondly to not put a vehicle in first gear whilst moving ,well it wouldnt go anyway ,double the clutch between gears so as to reduce the wear on the syncros and gears .not to ride the clutch between changing gears and also change down using double the clutch to save the brakes and stop vehicle slipping or skidding on a wet road ,not fly up to a roundabout ,slam on brakes force it into first gear at 30 mph then try to imitate evil kenival by going around on two wheels .This sort of driving will only damage the gearbox like syncros and clutches not lasting very long .
Posted on Jul 03, 2010
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