Water pump prob on a 1999 pontiac sunfire 2.4 liter?
surprised no 1 else caught this. maybe did because have pontiac grand uses 2.4 liter. known quad 4 engine.
these engines unique in water pump timing chain driven. not timing belt or serpentine belt driven. these water pumps difficult change , known leak on time.
entirely possible water pump failed , in doing drive sprocket may have come off , allowed engine jump time.
can remove front cover easy enough inspect. recommend before assuming have had catastrophic engine failure
my coolant had leaked out of car , air cond quit blowing warm air right after. car quit running , wont start,can water pump cause car not start?
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