Over heating
I have a workhorse chaise with the big block 454 engine I have replaced the clutch fan and flushed the radiator but the engine keeps going into the red dose anyone have this problem and if so do you k...
Forum Discussion
enblethen wrote:
Have you checked for debris between the radiator and AC condenser?
If you decide to replace the thermostat, get one that fails in the open position.
Yes, most assuredly check for bug guts and dirt on the radiator behind the A/C condenser!
I once had a 1977 Pace Arrow Class A with the 440 dodge engine that overheated frequently. I, too, did "everything": New fan clutch, new thermostat, pressure washed the radiator fins, put cooling system cleaner in, tested the water pump, pretty much all the things that have been recommended in this thread.
It still boiled over.
I decided it was time to give up and take the radiator to the shop for a thorough cleaning, inside and out. When I moved the A/C condenser aside to access the radiator, it was very obvious why it was overheating; the radiator fins looked like a mud wall! NO air could get through there at all!
I removed the radiator, took it to a known good shop, and had it thoroughly cleaned, then reinstalled it. No more overheating.
While doing them probably wasn't a total waste of time, everything else I did could have been avoided if I had checked that first!
Good luck.
