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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2010 Posts: 144 Wrench Fetcher | | Wrench Fetcher Joined: May 2010 Posts: 144 | The heater motor in my ’53 3600 does not work but I tested the core and it holds 25 lbs pressure. I have posted pictures at http://s982.photobucket.com/albums/...hevy%203600%20truck/53%20Truck%20heater/ . Can anyone tell me if this is a stock Chevy heater or if it is an aftermarket heater? One of the plastic covers on what appear to be defrost outlets says “CDC”. The motor seems to be pop riveted to the heater body. There is no sign of heater controls or defrost ducts. I now have 12 volt wiring. Should I replace with a completely new unit and if so, who has a good one? Thanks John | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | looks cobbled up to me, the fan housing/motor looks a Chev car unit [under the hood] and the 'box' with the defrost tubes looks home made - plastic covers are just something that was handy to block the holes ... definitely not factory
I'd suggest you make a wanted post in the swap and get a correct AD heater .... see if you can identify that core for sure, it may be worth the price of a correct heater for you ... about the right size/shape for tri5 car, but tubes aren't positioned right
Bill | | | | | Joined: May 2010 Posts: 144 Wrench Fetcher | | Wrench Fetcher Joined: May 2010 Posts: 144 | Bill,
What do you mean by "AD" heater? And what is a "tri5 car"?
John | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | John!! ya haven't been paying attention!  an "AD" is the series truck you have, Advance Design, 1947.2 thru 1955.1 - a "tri5" car is the ever popular and pricey 55-57 Chevy here's the assembly manual page for the 57 car heaters, note the similarity of the blower in the bottom right pic Bill | | | | | Joined: May 2010 Posts: 144 Wrench Fetcher | | Wrench Fetcher Joined: May 2010 Posts: 144 | Bill,
Thanks for the info. If I don't find a stock heater (with all controls), is there an aftermarket that is worthwhile? Both LMC and Classic Parts offer them.
John | | |
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