Loosen or remove the drive belt. See my picture below where I have marked the location of the screws as seen from the engine bay. Remove relay panel from module assembly, then the module assembly heater core cover. Using the vaseline, once they are started, they slide on pretty easily. I had my heater core replaced by bypassing it and after that I started hearing a clunking noise and smoke was coming out of my engine I was told it was the air conditioning compressor that burned up and messed up my oil pump and sippin Team band so I replace them drove it and again the same thing happen again smoke came out smell burning plastic and got hard to drive anyone can help any ideas. They do split the air from the heater core into two different ducts. The heater core is hidden behind the glove box and the two hoses going to the heater core can only be un-tightened with a special hose clamp plier I had to buy.
Disconnect the heater core hoses using tool J-37097 or equivalent. I found nothing particularly different about servicing the front breaks on my 1996 Cadillac DeVille. Avoid moving the programmer arm or air mix valve. Remove the steering column to body fasteners 1. I first flushed everything with a cooling system flush chemical followed by fresh water and then I put in all new coolant I used Prestone and connected the heater core to the system again.
Installation Procedures Install the heater core to heater case, securing with two screws. As described in the chapter above. And, when I do this, the air on passenger side does change. You will notice threads on the rod to adjust it I have a question about ducting. Connect the air mix valve link and, if equipped, install the programmer shield.
Remove the heater core cover, leaving the programmer attached. I also cut off the ends of most hoses, as they were all becoming a little loose during the last 40 years. Note the rubber seals on the tubes of the heater core. Install the inlet and outlet heater hoses to heater core. So we managed to fix a lot of things during this long day at the shop. Snap the threaded rod into the plastic retainer on the programmer arm. Disconnect body control module electrical connector, then remove module attaching screws and module.
The upper mode door is green and the lower one is tan. To… Disconnect the negative battery cable. If it is bypassed, you will see two hoses spliced together. There are two covers for turn signals and headlamps. It is coolant what is recommended as lubricant for heater hoses. There's no easier way but the right way-see below: Service and Repair Disconnect battery ground cable. Jul 07, 2011 try backflushing the heater core,remove heater coolant hoses and flush both ways with a garden hose,do you have a air compressor ,blow water back through heater core both ways,this asuming that all valves are working allowing coolant to flow and all air doors in car are opening,if so this fix has worked many times for me in older cars note works better to hook water hose to hoses or a short peice of hose on heater core,good luck Oct 01, 2010 Hello, There is not a heater valve, the temperature of the heater output is controlled by directing the air flow either through or around the heater core or somewhere in between depending on what temperature you want.
Not only the steps but how to do the steps which saved me a lot of time eliminating the guess work. When your Cadillac DeVille rolled off the assembly line, it was destined for a person with discerning taste who values American engineering in their automobile. I ran diagnostics, and according to that, all doors are doing what they are supposed to do. In these economic times, I can't afford to pay labor so I'm going to learn these things little by little and do whatever work I can instead of putting it in the shop. My friend Lucky helped me for a full day to fix the Roadmaster.
While the heater box is out you can also lubricate the various doors and clean out all the dust which has collected inside the box over the last decades. Avoid moving the programmer arm or air mix valve. . I know in my car, the previous owner had heater problems, and they had dealer replace the climate control center, and blower motor in reverse order , and I'm starting to think they broke something, or did not put back together correctly. I cut the core out of the loop by disconnecting the hoses and joining them. Connect the negative battery cable.
Remove the left knee bolster support. The thick hose on top is the aspirator hose going to the temperature sensor in the dash. Disconnet the heater hoses at the firewall. In the front wheel housings we cleaned up some corrosion and welded some fresh metal in. Installation is reverse of removal, but one important step before you reinstall the glove compartment. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted.