New crate 454
Last month I broke the crank in my 1988 Winnebago Super Chief. It had only 57,000 miles on it. I located a GM crate engine 454. I took my time and installed the engine piece by piece. I went with a n...
Forum Discussion
PaulJ2 wrote:
I'm going with the water pump wrong rotation thing. Serpentine belt impeller blades curve the opposite direction from the V belt ones. Only actually looking at them will tell the differencen I would not trust just the part number. Or
I would reinstall the old water pump---eliminate that one thing first.
I confess to having never examined the difference between a serpentine pump and a v-belt pump. If the two have different direction impellers, I would certainly examine the possibility of an incorrect pump. Will the serpentine drive fit a v-belt pump's nose? The oem or after market part number for the OP's RV should tell the story. YOU ARE CORRECT — LEARNED SOMETHING NEW AFTER ALL THESE YEARS — SOME SERPENTINE PUMPS RUN CCW ROTATION. But I still don't know if you can mix them up. It seems that the pulleys don't interchange from the v-belt to the serpentine. But serpentine pulleys may. I dunnnnoooo.
