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Ok, I took the Rad out, had two rows and the tubes were 1/4 in openings...Installed a new Rad, 3 rows and the tubes are 1/2inch..went down the road, same, maybe a little worse...
now, pissed,decided to take out the water pump, have to take out the Rad again to be able to get the brackets off that hold the alternator, air pump, etc...big job....this is an 87' 454...serpentine belt with no tension pulley, it goes around the crank, clutch fan, alternator, and an air pump...tension is adjusted via the alternator....the old water pump looked good inside, brass impella looked good...installed the new one, bolted up the barackets, put the serpentine belt back on,(not sure how tight to make it) but always leave 1/4 to 1/2 inch play...
installed the Rad, cranked it up, and quickly at idle it shot up to 235..ouch...pissed..now what?
I got lucky, decided to tighten the hell out of the serpentine belt just for the heck of it....intantly it was working, not overheating at idle....wow...maybe that was the whole problem to begin with, a "not so tight belt"....
Before going down the toll road, I bought a new belt, but did not put it on, plan to do it in the future...
About 10 miles down the toll road, again the temp reached 235, shit.....backed it down to 50mph and limped into a rest area..waited to cool down, then took the covers off the engine to get at the serpentine belt, check the tension, and decided to put the new one on...socked it up tight....
Headed down the road, guess what,got up to 60mph, the temp gauge was climbing, got to 225 and the cluthc fan ROARED like I hadn't heard for years...and sure enough the temp came down to 210,crepted up again to 225 and the clutch fan ROARED again to bring the temp back down....Dam new serpentine belt? solved the problem..wow.... |
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