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 replacement

Old Dec 29, 2005 | 08:04 PM
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Default Heater core replacement

I have the sweet smell of antifreeze inside my '92 SSE. Does the heater core remove from the engine side or from the front passenger footwell. The FSM didn't seem very clear to me.

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Old Dec 30, 2005 | 12:53 AM
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It removes from the inside after a considerable effort. Looking for the post.....
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Old Dec 30, 2005 | 01:26 AM
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Whew! That took a while, but I knew it was in there. RMac changed his heater core without removing the dash. Read this post: http://www.bonnevilleclub.com/forum/...rking&start=40
especially page 2, with Randman1'* pictures.

You will need to purchase a special flexibe cable tool (if you don't have one) that lets you undo the spring clamps on the heater hoses that attch to the heater core on the engine side of the firewall. They are down in a hole that defies the use of normal pliers.
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