1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

heater core

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Old 11-19-2007, 01:24 PM
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Long story short my heater core went so I go under the dash drop the the plastic cover and notice some coolant on it. Now my question is what part needs to come out for the heater core? I searched but couldn't come up with any pics of what to remove :?
Old 11-19-2007, 01:45 PM
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Drain the coolant
Pull the heater hoses off the core (Sears tool like you saw at NEBF )
If you have a HVAC programmer move it off to the side.
Remove the plastic cover next to the HVAC programmer, that'* your heater box cover.
Old 11-19-2007, 02:05 PM
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I unbolted the cover but I can't wiggle it free the vents are in the way
Old 11-20-2007, 12:34 PM
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same thing happened to me, I had to pull the dash.
Old 11-20-2007, 01:23 PM
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search on Bob Dillion. I think he did a core..or maybe it was Bill Buttermore. That should say if you have to pull the dash. It'* easy if you do..
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