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#1
12-01-2015, 05:35 AM
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Antifreeze smell and now antifreeze consumption
My 2005 3.0d X5 has always smelled like antifreeze, at the exhaust. But until now, it had no antifreeze consumption. About a week ago, I noticed that the antifreeze level was low, so I added about half a litre. Yesterday, when I checked again, it was lowish (the top of the indicator was just below the hole top lip) so I added some more, the indicator almost lifted to its maximum height. This morning, the top of the indicator is again, near the top of the hole. I can't see any leak from the car, while it is standing. Am I in for an expensive head gasket job? Total mileage is about 200,000 km.
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John Caradimas 2005 X5 3.0lt diesel Facelift, Sport packet 
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#2
12-01-2015, 08:22 AM
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Buy a head gasket test kit to determine if you have a head gasket problem. Pretty sure you probably do.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
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#3
12-02-2015, 09:40 AM
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You could also manually pressurize the system and look for the leak. There are kits to do this inexpensively. Of course if it is the head gasket leaking internally you won't see it. Good luck.
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2013 X5 3.5i M Sport 2004 M3 cabriolet SMG
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#5
12-02-2015, 10:38 AM
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Leak down test can help you determine what is going on without tearing down the motor. My personal knowledge of diesels is limited to those with glow plugs as you can access the combustion chamber through the plug hole in the same manner as a conventional engine.
This leak test shows how much is lost, where it goes, and provides a great indicator of engine health. Sample article: How to do Cylinder Leak Down Testing- Car Craft Magazine
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 2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green
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#6
12-11-2015, 08:36 PM
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Quote:
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2013 X5 3.5i M Sport 2004 M3 cabriolet SMG
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#7
12-11-2015, 09:24 PM
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Are you seeing any white smoke out the exhaust or loss of power?
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 X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
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