Low Coolant light keeps flashing but radiator and reservoir are full

Asked by Oct 04, 2014 at 03:27 AM about the 2001 Buick Century

Question type: Maintenance & Repair

Repair shop flushed dexcool out then 7 months later the low coolant light flashes. I have
to keep the fans running all the time or it overheats. The radiator was flushed again same
results.The radiator is full as is the reservoir.

2 Answers

115

Try a new cap if you haven't if it doesn't hold pressure it will run hot . also look for a bleeder valve near thermostat or on a pipe near valve cover and bleed all the air out of the lines . some have two valves look close .

30

If it is a recent model car it should be filled under vacuum otherwise air in system affects the sensor and it thinks the system is empty. Most recent GM vehicles are filled under vacuum now, I presume other makes are similar.

Your Answer

Buick Century Experts

  • #1
    John Saffrahn
    Reputation
    980
  • #2
    Tom Demyan
    Reputation
    830
  • #3
    John Pate
    Reputation
    570
View All

Related Models For Sale

Used Buick LeSabre
7 Great Deals out of 1,714 listings starting at $899
Used Buick Regal
149 Great Deals out of 7,598 listings starting at $3,995
Used Chevrolet Impala
572 Great Deals out of 34,336 listings starting at $890
Used Toyota Corolla
932 Great Deals out of 63,275 listings starting at $1,850
Used Chevrolet Malibu
1,040 Great Deals out of 60,985 listings starting at $880
Used Toyota Camry
1,035 Great Deals out of 85,966 listings starting at $1,296
Used Honda Accord
1,096 Great Deals out of 71,806 listings starting at $850
Used Honda Civic
772 Great Deals out of 60,518 listings starting at $950
Used Ford Taurus
232 Great Deals out of 14,953 listings starting at $1,800
Used Chevrolet Silverado 1500
2,564 Great Deals out of 173,268 listings starting at $1,000
Used Pontiac Bonneville
487 listings starting at $1,799

Used Cars For Sale

2004 Buick Century For Sale
60 listings starting at $999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.