1999 buick park avenue oil in antifreeze-how??

Asked by Jun 25, 2017 at 12:44 PM about the 1999 Buick Park Avenue 4 Dr Ultra Supercharged Sedan

Question type: Maintenance & Repair

oil in the antifreeze-no white smoke no poor running

2 Answers

76,875

Possible head gasket leak or a leaking transmission cooler into the radiator.

1,470

Check the transmission fluid lever....also look for signs of water in the transmission. Since the transmission fluid pressure is usually higher than the coolant pressure, the transmission fluid get into the radiator. If you feel that is what is happening and you don't want to replace the radiator, add an auxillary transmission cooler and by-pass the radiator.

Your Answer

Buick Park Avenue Experts

  • #1
    Jking1838
    Reputation
    1,110
  • #2
    jateen29
    Reputation
    790
  • #3
    Tom Demyan
    Reputation
    770
View All

Related Models For Sale

Used Buick LeSabre
14 listings starting at $1,400
Used Buick Regal
8 Great Deals out of 303 listings starting at $9,495
Used Chevrolet Impala
131 Great Deals out of 1,053 listings starting at $2,600
Used Lincoln Town Car
18 listings starting at $1,850
Used Buick Century
18 listings
Used Chevrolet Tahoe
8 Great Deals out of 724 listings starting at $4,995
Used Chevrolet Monte Carlo
18 listings starting at $6,000

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.