plastic radiator crack, Burb
Got a 94 K-1500 Suburban, only 144,000 miles but has developed an antifreeze leak via a 3" crack in the driver's side plastic rad side tank right around where the upper oil cooler line screws in. I c...
Forum Discussion
One part of why my Sub has 180*F thermostat, Severe duty fan clutch, synthetics in everything and flush American Green Coolant on a two year cycle
Keeps it cooler than stock, but high enough to pass SMOG and get power mode most of the time
Careful on replacements. Make sure it is the same or better level.
'El Cheapo' has some with less rows, less numbers of tubes per row, less fins per tube, etc. Not as critical for a 5.7L small block vs the big block, which needs all the help in cooling it can get
Another careful is to blow out the engine oil and ATF coolers inside the radiator. Engine oil cooler is in the hot tank of the main radiator. ATF oil cooler is in the cold tank of the main radiator
Keeps it cooler than stock, but high enough to pass SMOG and get power mode most of the time
Careful on replacements. Make sure it is the same or better level.
'El Cheapo' has some with less rows, less numbers of tubes per row, less fins per tube, etc. Not as critical for a 5.7L small block vs the big block, which needs all the help in cooling it can get
Another careful is to blow out the engine oil and ATF coolers inside the radiator. Engine oil cooler is in the hot tank of the main radiator. ATF oil cooler is in the cold tank of the main radiator
