oldskeetshooter
New member
I have a 1989 XLT, 5.8, C6, that I purchased new in December 88. It has 66K miles, paint looks new, interior super condition. I was going to sell it but have decided to keep it. At my age, I figure between my 08 Tundra and the Bronco, both should last the rest of my driving days.
The r12 had completely leaked down so I tried the R134 swap out. Red orifice tube and new drier line combo. I knew it was an experiment, at best, but did not have enough R12 to completely fill the system. The 134 cooled good, while riding down the road, but I found it ineffective at idle. The pressures were scary high. Fan clutch operates, properly, radiator and condenser fins are straight and clean, and I used roll foam to ensure no air leakage through the cooling system. I figure the best way to get it cooling properly is to retrofit lines and evaporator with 94 up stuff. After 50+ years of working on cars, at the dealership level, I have seen what the acids from 134 does to unlined rubber hoses, also, the later model stuff has a high pressure compressor cut switch. I know it will be expensive but this 89 is cherry to say the least.
The main question that I have is "Who makes the best aftermarket A/C parts". I feel that all manufacturers quality range from junk to decent. Does anyone have any suggestions to steer me in the right direction?
The r12 had completely leaked down so I tried the R134 swap out. Red orifice tube and new drier line combo. I knew it was an experiment, at best, but did not have enough R12 to completely fill the system. The 134 cooled good, while riding down the road, but I found it ineffective at idle. The pressures were scary high. Fan clutch operates, properly, radiator and condenser fins are straight and clean, and I used roll foam to ensure no air leakage through the cooling system. I figure the best way to get it cooling properly is to retrofit lines and evaporator with 94 up stuff. After 50+ years of working on cars, at the dealership level, I have seen what the acids from 134 does to unlined rubber hoses, also, the later model stuff has a high pressure compressor cut switch. I know it will be expensive but this 89 is cherry to say the least.
The main question that I have is "Who makes the best aftermarket A/C parts". I feel that all manufacturers quality range from junk to decent. Does anyone have any suggestions to steer me in the right direction?
