My wife has a 93' Passat with a VR6, the heater core just started leaking.  When the engine is at temp, antifreeze fog comes in through all the heater ducts.  I've got the entire dash out, but I can't figure out what holds the heater to the firewall???? I thought I'd ask before I start ripping out all of the insulation.

PS  If anyone thinks changing a vanagon heater is tough, take a look at thing!  

Thanks in advance.

Matt

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