Overheating issue

Tiny
THAYS
  • MEMBER
  • 2001 OLDSMOBILE ALERO
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,550 MILES
I fixed the head gasket changed water pump, thermostat, and tensioner. Now I do not know if it is the radiator or the cap. If we leave the cap a little loose it seems okay, but if the cap is tight the hoses get tight and overheats. The radiator makes a loud gurgle popping sound when pressure builds. Please help at wits end.
Wednesday, May 25th, 2016 AT 8:45 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Get the radiator core cleaned and fit a new cap regardless, also test that the thermostat is working, boil it up in a pot of water on the stove, use a thermometer and watch it open at the correct temperature, do not drink the soup it makes as it will taste awful. Lol
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Thursday, May 26th, 2016 AT 3:42 AM

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