Re: Heater core
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Forum Ambassador
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Too many years since I messed with one to offer detailed suggestions but here are some photos showing the unit out of the car. One of them might give a clue what could be holding. The arrow points to studs that go thru the firewall and have nuts inside the plenum assy on the interior side of the firewall. The plenum halves need to separate to access the nuts. Those studs and nuts hold the heater unit to the car if you are trying to remove the entire assy. In addition to the studs a sheetmetal screw is on the blower motor ground wire and there might be another welded tab with a sheetmetal screw on the blower assy very low on the engine side.
On some heaters I have seen a rubber like cushion material around the core that might have deteriorated and hardened or even turned into a glue like mass. If any was used on that heater it could also be holding things together. Attach file: L heater assy.JPG (219.58 KB) R heater assy.JPG (236.81 KB) S heater assy 2.JPG (228.68 KB) 4_57.JPG (262.74 KB)
Posted on: 2021/2/6 11:14
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Howard
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Re: Heater core
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Quite a regular
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Thanks for the quick reply. After seeing your pictures I think there may be more screws that need to come out. I will see what I can find. Thanks again.
Posted on: 2021/2/6 15:14
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Re: Heater core
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Home away from home
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There are 7 screws in total that fasten the cover to the main housing, one on either side of the rectangular blower inlet, two on each side and one on top.
Posted on: 2021/2/6 15:22
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Re: Heater core
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Home away from home
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All I remember is it didn't just come out as easy as I thought it would, but no tricks. There was a gasket if I recall. I have it in the garage apart if need pix. I had the fender and inner fender off, so it was a lot easier to access. So if trying in place it might be tougher to see/access.
Posted on: 2021/2/9 19:58
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