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i got another 89. it smokes really bad - white. i thought head gasket problem. as i was tearing into it i found a lot of coolant in the throttle body. is this normal with a head gasket problem? where is the coolant coming from - which hose? could something other than head gasket be wrong?
 

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There are coolant lines that run up from under your intake manifold and connect to the bottom of the TB. As for having coolant in the TB take it off and check for possible cracks in the housing.
 
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