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Showing results for tags 'heater tubes crushed repair'.
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I recently bought a 1993 Loyale. I've had to do a bunch of work to get it ready for daily driver use. Among other things, I discovered that the heater core tubes were crushed by someone overtightening the hose clamps. I did not want to remove the core and replace it with one of my spares. I used my 1/4" drive deep sockets to un crush them. Put a little grease on the biggest one that wuldn';t slip right in, and tapped it in. Had to use channel lock pliers to pull it out. Turning the socket with the ratchet simultaneously helps. Once I got to where the next bigger was too big, I used brass shim stock to gradually get as far as possible to original ID. Place the shim in the pipe, then start the socket. I decided that since the tubes had already been crushed, it would be good to reinforce them. I found that sweat couplings for 1/2" refrigeration tubing are very close to the correct size. I had to grind them down on my belt sander about .010. Put a little grease on, the tap into the tube. Took a while, this is a job for patience and being careful, but still far less time than pulling the dash.
