2003 Oldsmobile Alero overheats with a load, runs normal in

2003 OLDSMOBILE ALERO
113,000 MILES • 4 CYL • FWD • AUTOMATIC
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SALLY1105
  • MEMBER
  • 1 POST
water pump cracked, took to a shop and had it replaced. car started having a whine like an rc car and a week later check eng light came on. brought it back every week for a month. they claimed to be adjusting the thermostat. ha ha i know. finally gave up and ran it with the light. it ran cold. finally got back to the problem 3 yrs later. they cut the thrmst. replaced it car overheated only with a load ran fine in park. replaced radiator, water pump, coolant. bled system with compressor and suction tool. no air in system. car still shows same signs. no milkshake, no gases in coolant, no leaks, hard hoses, hose to radiator cold, hose from radiator hot. help!
Apr 1, 2010 at 3:59 AM
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LEGITIMATE007
  • CAR REPAIR CONTRIBUTOR
  • 5,121 POSTS
well first, you should have the system scanned, for trouble codes, if the light is on then scan it at autozone. or your local parts place. then bring the codes to me, for definitions, aside from that, I think that the thermostat is still stuck shut, or the heater core is clogged.
Apr 3, 2010 at 1:51 PM
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