Overheating engine. 2005 Pontiac Bonneville what would cause my engine to overheat?

Asked by jodelle1001 Mar 05, 2019 at 12:05 PM about the 2005 Pontiac Bonneville

Question type: Maintenance & Repair

My radiator is full to the
top. Looks too full to
me. Overflow tank is up
to full line. Found
antifreeze on the ground
under the car and heater
barely warm. Why?

1 Answer
26,815

taver91 answered 5 years ago

You should first try to locate where the coolant on the ground is coming from. It may be a leaky hose joint that can be tightened or many other things - blockages, leaky heater core or radiator, stuck thermostat, bad water pump, air in the system (if work has been done just previously), bad radiator cap, bad temp sensor, defective cooling fans........take you pick. But first try to determine where the leak is coming from and, if you are seeing a trouble light, have the car scanned for any codes.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Pontiac Bonneville Questions

CarGurus Experts

  • #1
    James Sparrow
    Reputation
    570
  • #2
    Gene Arnett
    Reputation
    540
  • #3
    John Saffrahn
    Reputation
    510
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac Grand Prix
5 listings
Used Chevrolet Impala
14 Great Deals out of 117 listings starting at $3,531
Used Pontiac Grand Am
2 listings
Used Pontiac GTO
5 listings
Used Ford Crown Victoria
5 listings starting at $8,000
Used Buick Regal
7 Great Deals out of 31 listings starting at $6,990

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.