Over heating

Asked by GuruHY9YN Jul 06, 2019 at 12:09 PM about the Chevrolet Malibu

Question type: Maintenance & Repair

My 1999 Chevy Malibu Will drive fine for the first 20 minutes at the normal temperature.  Then it starts to over heat. I have replaced the head gaskets, replaced the water pump. Changed the radiator. I put in a new temperature sensor. Also replaced the thermostat.  But my car still over heats after 20 minutes and boils over.

1 Answer
101,595

KenF answered 4 years ago

Have you checked fan operation? (making sure they come on when they should?) You can also try a cooling system pressure test, make sure the water jacket isn't compromised in any way. Then check hose and cap to overflow, any cracks can prevent coolant to flow like it should. If still stumped remove thermostat entirely and see if it still overheats.

Mark helpful

Your Answer:

Related Questions

  • Over heating 1 Answer

    My 1999 Chevy Malibu Will drive fine for the first 20 minutes at the normal temperature. Then it starts to over heat. I have replaced the head gaskets, replaced the water pump. Changed the radiator. ...

    Chevrolet Malibu

    -

    Maintenance & Repair

  • Why is my car over heating? 1 Answer

    My 2002 Chevy Malibu keep over heating.

    2002 Chevrolet Malibu

    -

    Maintenance & Repair

  • How much is the Over heating ? 2 Answers

    Only 45,045 miles how much is it for my car To stop over heating

    2018 Chevrolet Malibu LT FWD

    -

    Maintenance & Repair

  • 01 Malibu over heating 3 Answers

    I have an 01 Malibu and my fans wouldn't turn on unless ac was on and my ac clutch just went out so now I have the bypass pully on there now so now fans don't turn on at all so I figured if I wire...

    2001 Chevrolet Malibu FWD

    -

    Maintenance & Repair

  • Engine over heating coolant tank exploded 2 Answers

    I have a Chevrolet malibu lt 4 cyl 2016. My car had one side heat working the day I changed the oil. The next day the car started to over heat. I put antifreeze. Car still was running hot on my way...

    2016 Chevrolet Malibu 1LT FWD

    -

    Maintenance & Repair

Shortcuts

Search Chevrolet Malibu Questions

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    4,590
  • #2
    T_S_T
    Reputation
    4,380
  • #3
    tenspeed
    Reputation
    4,150
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Impala
5 Great Deals out of 131 listings starting at $3,495
Used Honda Accord
47 Great Deals out of 973 listings starting at $2,995
Used Toyota Camry
50 Great Deals out of 1,123 listings starting at $784
Used Honda Civic
191 Great Deals out of 4,038 listings starting at $440
Used Dodge Charger
33 Great Deals out of 901 listings starting at $5,995
Used Chevrolet Cruze
67 Great Deals out of 1,113 listings starting at $2,495
Used Nissan Altima
25 Great Deals out of 677 listings starting at $3,795
Used Ford Fusion
21 Great Deals out of 457 listings starting at $1,995
Used Chevrolet Camaro
16 Great Deals out of 467 listings starting at $10,995
Used Chevrolet Silverado 1500
193 Great Deals out of 7,903 listings starting at $3,000
Used Chevrolet Equinox
92 Great Deals out of 3,280 listings starting at $1,695
Used Toyota Corolla
130 Great Deals out of 2,282 listings starting at $103
Used Hyundai Sonata
45 Great Deals out of 822 listings starting at $1,543
Used Chrysler 300
23 Great Deals out of 538 listings starting at $6,898
Used Nissan Maxima
9 Great Deals out of 199 listings starting at $1,450

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. Content will be removed if CarGurus becomes aware that it violates our policies.