asappington13asappington13 Member Posts: 1
edited October 2016 in Buick
Need help still running hot I took the thermostat out the radiator is leaking will stop leak work and are the heads blown even if no water in oil or smoke


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaMember Posts: 64,482
    Diagnosing overheating can be very tricky. There are a lot of inter-related components.

    Answer some questions:

    Fast overheat or slow overheat (how long does it take from a cold engine)

    Overheats at idle only and ok on highway, or ok at idle, overheats only on highway, or both.

    Is coolant currently leaking out somewhere.

    Can you hear/see the cooling fans kicking in at some point?

  • Jamesfay60Jamesfay60 FloridaMember Posts: 1
    Im trying to change the heater hose assembly it has one blot holding it on but its behind the exhaust sheld
  • BurningfireBurningfire FloridaMember Posts: 1
    I am a dubious owner of a Buick Rendezvous 2002 CXL that consistently overheats after flushing etc.. my question is, " is it possible to swap out the 3.4 motor and replace it with a 3.8 motor, which is a tried and proven motor? Adding a rear facing hood scoop".
  • rickdonrickdon Member Posts: 123
    I would check the water pump also.
  • ABWAHABABWAHAB Algeria/Bouira/M'chedallahMember Posts: 1
    LE MANO DE TEMPERATURE SUR LA BUICK RENDEZVOUS a quelle température IL DOIT déclenché les vontlateur
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