I have a 2005 Lincoln LS V8 with dual climate control. Yesterday something blew some steam from underneath my hood compartment, on the passenger side. Then my A/C wasn't working properly. It was cold, but behaving intermittently. My mechanic checked for obvious signs of leaks and disconnects. He also charged my A/C unit for leaks, pressures, and refrigerant level, etc. All was ok. My A/C is blowing very cold from all vents when set on 60, but when set in the 68-75 degree ranger, it's not blowing well at all, and the heat is almost non-existent. I performed a DATC test and received just one error code of 1265. I've also checked Fuse number one for the DCCV and it was not blown. I had a radiator hose blow a few days prior to this event. It was fixed and I'm pretty sure that the coolant has been refilled properly and thoroughly. I've read that this could be an issue with the DCCV. Any suggestion would be appreciated. Thanks!
Climate Control Issues
- Thread starter mojoemil
- Start date
joegr
Dedicated LVC Member
1265 is a false code and can be ignored.
Are you sure that it was steam and not refrigerant? Are you positive that the high and low side pressures were correct? Is the underside of your AC compressor oily?
My wild guess is that your compressor leaked all its oil out and is starting to come apart. Tiny bits of metal from it are now clogging the expansion valve and giving you trouble. This really is just a wild guess. There are plenty of other things that it could be, like a bad discharge temperature sensor. You need someone that has the right scan tools and can truly diagnose it. Unfortunately, a Lincoln dealer may be your best bet here.
On the lack of heat, this is not a wild guess. You have a whole bunch of plastic cooling system parts that need to be replaced. They all start forming micro-cracks at about the same time. This allows air in. The system can't be correctly bled until this is taken care of. As it is now, you can't get the heater loop to work. Eventually, you'll have the engine overheating too.
Are you sure that it was steam and not refrigerant? Are you positive that the high and low side pressures were correct? Is the underside of your AC compressor oily?
My wild guess is that your compressor leaked all its oil out and is starting to come apart. Tiny bits of metal from it are now clogging the expansion valve and giving you trouble. This really is just a wild guess. There are plenty of other things that it could be, like a bad discharge temperature sensor. You need someone that has the right scan tools and can truly diagnose it. Unfortunately, a Lincoln dealer may be your best bet here.
On the lack of heat, this is not a wild guess. You have a whole bunch of plastic cooling system parts that need to be replaced. They all start forming micro-cracks at about the same time. This allows air in. The system can't be correctly bled until this is taken care of. As it is now, you can't get the heater loop to work. Eventually, you'll have the engine overheating too.
Blueberryyum02
Well-Known LVC Member
That burts of steam could be the T fitting on the coolant hose, my would do it from time to time it had a hair line crack in it that would release and seal back up. Until it couldn't hold pressure and the cycle would repeat.