As far as the “incident” is concerned all damage that was obvious was fixed right away, including the oil pan and a big metal subframe (my mechanic called it a “bridge”) oil pan, parts of the exhaust, and a coolant pipe which was ruined, and all those parts came off a wrecked mazda 323 diesel (the same car mechanically) that was rear ended, only thing I didn’t fix so far is the bent fuel tank (that’s another issue with the fuel gauge not going under 1/4), but I couldn’t replace that given that one on the junked mazda was useless.
As far as power steering issues, they started way before the “accident”, six months after I bought the car. When I picked the car up, power steering fluid was bright pink, and everything worked fine (I did buy the car from my uncle who maintained it very well since he used it to travel to Russia every two months, a 2500KM journey), but after a couple of longer road trips, power steering fluid became dirty (almost black) and had a burnt smell. After that I changed the fluid in the reservoir, but haven’t really flushed the system, and the problem was gone. Fast forward to a month ago, the fluid had changed it’s color again, but this time I removed the return hose, and flushed the entire system. Then I had this road trip on monday, and the problem came back again, only the fluid isn’t as bad looking as it used to be before the change. My guess is that something causes the fluid to overheat, or maybe I am using the wrong type of fluid (I use what the manual calls for and that’s ATF 3), or should I just leave it alone? I am fearing the rack might develop some issues from being exposed to dirty fluid for long period of time.
As far as the coolant loss issue, it was present since the day I bought the car, but not as severe. Liter of anti freeze was required every month or so. Then the thermostat failed closed on labor day weekend (1st of may here) and I had to remove it at the time, for that whole summer the car worked fine without the thermostat, and in september I put new one in when i changed the oil. Since the thermostat failure the car had been loosing a liter of coolant a week. When I removed the old one, and put the new one back in, I noticed both the top and bottom radiator hoses had cracks and were old. Only on my last oil change did I notice small amount of (red) coolant leaking from the bottom of the radiator, given that there is also residue there, I assume the radiator had been leaking for a while, whether it was damaged in the accident I am not sure, but given that the car had leaked coolant from day one, I don’t think so. Could the problem be just the bad hoses, or should I be looking for a new radiator as well? Also can a junkyard unit be any good, given that quality of some aftermarket parts isn’t up to the job?