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I am having a coolant leak on my Buick. There are no signs of dipping coolant and the signs of a bad head gasket aren’t there either (no white smoke, and no coolant in the oil (no chocolate milkshake…mmmm chocolate milkshake…) This is an 08 and has the metal intake so this shouldn’t be the “EGR stove pipe” found up to 2003. The only other thing I need to check again is the coolant elbows coming off the belt tensioner into the intake manifold.
Basically what I am asking is 1: How can you diagnose that it is a intake manifold gasket or a head gasket?
2: Does anyone know if the series 3 is known for this issue?
thanks everyone for your help.
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