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trifivefan 08-06-2007 10:21 PM

How hard is it to change a bulkhead plate?
I have to change out the bulkhead plate on the firewall of my car. It was installed originally about 15 years ago. Problem is my interior is brand new and I don't want to risk getting fluids on the new carpet. Is this something a novice can do or do I need to take the car to a shop? I think the bulkhead I have is one that has a backing plate holding it against the firewall instead of the newer ones where your drill the individual holes into the firewall. The bulkhead I now have is 2.5 inches square and plan to replace with one 3 inches square. Any problems I should be aware of in removing it from the firewall? How hard of easy is the job? Any help would be appreciated.

327NUT 08-07-2007 12:07 PM

I think no one is answering this because we don't know exactly what you mean by "bulkhead plate". I know its on your firewall.....does it have something to do with the area your heater hose goes through???

trifivefan 08-07-2007 01:43 PM

Can someone help with installing a bulkhead plate?
I guess my recent post on replacing my bulkhead plate did not result in any responses because I may not have explained what this is. I think this is what they call the four port unit where the heater and A/C hoses connect to the firewall. My current unit is around 15 years old and I would like to change it out. I think it is held by a backing plate that attaches from the cabin side of the firewall. What I don't know is how hard is it to change this out. Has anyone replaced on before? Is this a job for someone more skilled? I know I have to crawl under the dash to unattach it, but I don't know how much trouble it is to remove and replace. Could someone help out?

engineczar 08-07-2007 01:50 PM

vehicle make, model, year?

327NUT 08-07-2007 05:43 PM

As the Czar asks....but no its shouldn't be that hard but again that just depends on your mechanical ability and how much other equipment is in the way. Some areas under the dash are a real nightmare.

If nothing else since you say the interior has just been redone I would remove or fold back the carpet and put down some old towels or lots of newspaper to soak up whatever liquid escapes when you unhook the hoses.

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