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Why did my car explode?
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Seeing the pictures, I still think it's a bad head gasket.Interested in vintage cars? Ever thought about racing one? Info, photos, videos, and more can be found at www.michaelsvintageracing.com!
Elva Courier build thread here!
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I'm not convinced this was just pressure alone. That tank also shows some signs of melting.
Since just about everything else in the cooling system is rubber or metal (the radiator side tanks are made of a more durable plastic), the tank would the weakest point when it comes to dealing with high temperatures and pressures. And the bottom of the tank is ground zero since the coolant is contacting it there and the exhaust manifold is nearby.
Could your IS engine have overheated due to a bad mechanical fan clutch and/or non-working electric fan ... causing both high pressure AND temperature of the coolant and combined with a bad pressure cap caused the catastrophic failure of the expansion tank?
If so, you may have a head gasket job on your IS in your future. Check the compression and see if there is any mixing of oil and coolant in the engine. You may have gotten lucky.101
The E30 collection:
1987 325es M52 - Schwarz / Taurus Red Sport (son #2's)
1987 325is - Delphin / Black Sport (son #3's)
1987 325i Convertible - Triple Black
1989 325iX Coupe - Diamondschwarz / Black Comfort
1990 325iX Coupe - Sterling Silver / Grey Sport
1981 Fiat 124 Spider 2000 - Green / Tan
1998 Volvo V70 GLT - White / Tan
1998 Volvo S70 T5 manual - White / Taupe
2001 Ford Windstar - Silver / Grey (parts hauler)
2006 Lexus GX470 - White / Tan (tow rig)
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Originally posted by 101 View PostI'm not convinced this was just pressure alone. That tank also shows some signs of melting.
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Originally posted by efficient View PostNot to jack this thread but I've noticed my car when it's been driven and its hot. my hoses will expand and I've noticed that I have coolant seepage coming out of some hoses.i already tightened the clamps.
Any suggestions?
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Interesting theories in here. I think the plastic just looks stretched, not melted.Interested in vintage cars? Ever thought about racing one? Info, photos, videos, and more can be found at www.michaelsvintageracing.com!
Elva Courier build thread here!
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Originally posted by ELVA164 View PostInteresting theories in here. I think the plastic just looks stretched, not melted.
'87 325
'89 325is
'90 325i
'67 Buick Skylark --SOLD 5/2015--
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