Gas Recirculation Valve (egr Valve) problems of the 2006 Chevrolet Equinox

I replaced the egr valve sensor and hose still getting a code 1404. I don't understand what the main problem could be unless it's the pcm causing problems and it has been changed as well.

It would chug when I started it and check engine light came on. I took it in to a dealership to get fixed and they said there is a big crack in the egr valve piping.

Water swishing noise in dash area. Increasing difficulty turning key in ignition switch. Must pull it out, turn it over and push up and turn to get it to start car. At 65,000 miles door flap on a/c heater failed, weather was 15-20 degrees f in December and caused heater and defrost system to fail. We, incurred a $1400 repair bill for a $129 part, labor expensive as part is "difficult to get to" . Many other complaints for these same issue are posted on-line. Does someone have to get in a serious accident or die before they recall any of these?.

I have a 2006 Equinox which I bought in 2010. While I had various "of age" repairs, such as fuel system issues and a fan motor; with the age and mileage, they seemed normal. In 2013 I replaced the egr valve and transmission speed sensor simultaneously; as the code was for egr, but would only intermittently kick in the tss code (the car died in the middle of traffic 3 times before I could get the code to stay so we could find the problem). Among looking online for the problem, it was common, but my dealer would not fix without the code. June, 2014, the brakes started pulsating on the car in low speeds. I would have to pump the brakes to get it to stop. Twice, pumping the brakes at an intersection failed, and nearly resulted in a wreck with my daughter in the car. The abs and tc lights would come on intermittently. I took it to a mechanic: he evaluated each connection and cleaned them, where the abs harness connects to the main harness. He found no discrepancies. After 2 more months of dangerous driving, and a whole new set of brakes (all 4), online research prevailed once again. This problem was common; and suggested a rather cheap fix. The 18 in wire harness from the wheel speed sensor to the main harness had an issue. Sure enough I, a woman, after being told the dealership didn't carry the part, ordered it online and replaced it in 15 minutes. No problems since then. May, 2015. What appeared to be a thermostat issue ended up being a coolant reservoir problem. The reservoir was broken, where the plastic nipple that comes out the bottom attaches with the hose. After I contacted all parts stores in the area, I was told while it was common for Chevrolet trucks and Equinox vehicles, the Equinox part was no made available to the parts stores. I had to special order online, thank goodness it worked.

No heat. Dealer says that the air mode door is broken. Dash needs to come off to repair it. Part $65. 00 labor $1200. 00. My car has 42,000 miles. This is ridiculous. I see numerous complaints regarding same matter. When will you recall? no heat and 25 degrees outside is unsafe!.