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Vehicle make/model = 1998 buick/lesabre Mileage = 87,000 Engine size = 3.5 dash lights = n/a codes = n/a work done prior = n/a work done to repair = n/a tech = kk question = my car never ran hot or gave me any problems one day it started riding funny so i pulled over and turned the car off when i lifted up the hood it was no water in it and there was no sign of leakage(water was in it a couple days prior).I put water in it, but then it wouldn't crank.Please tell me what could this possibly be??
KK: The conditions you are describing are tell-tale signs that the "Upper intake manifold plenum" has failed internally. When this happens, coolant fills the lower intake manifold and cylinders. This causes what is called a hydrostatic lock and the engine wont crank over. The upper plenum and gaskets will need to be replaced, as well as the spark plugs, and the cylinders will need to be cleaned out.