2003 buick century oil in radiator. have to add oil occasionally but runs good. flushed radiator and replaced thermostat 10 months ago and oil in radiator came back. Has to be a gasket leak somewhere.

Asked by Nov 21, 2015 at 12:20 AM about the 2003 Buick Century Base

Question type: Maintenance & Repair

flushed radiator and replaced thermostat 10 months ago and oil in radiator came back. Has to be a gasket leak somewhere or could it be the water pump?

1 Answer

52,725

Oil in the radiator means a blown head gasket.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • Oil in my coolant tank!!!! 16 answers

    There is oil in my cooling tank. I think it's engine oil because we are always having to refill the engine oil. I knew we had a leak somewhere but today when I went to refill the coolant it had a lo...

    1998 Buick Century Limited

    -

    Maintenance & Repair

  • Overheating 5 answers

    I have a 1999 Buick Century with the 3100 engine, it ran hot on the interstate so flushed with hose while running and went out of state, came back 3-4 days later and it overheated again, found a c...

    1999 Buick Century Custom

    -

    Maintenance & Repair

  • My Buick century keeps overheating 1 answer

    I changed the water pump I changed the thermostat I changed my radiator and smoke is coming from somewhere under the engine idk where it's coming from

    1998 Buick Century Limited

    -

    Maintenance & Repair

  • Why is my 1990 Buick w/3.3 cutting out after filling up? 8 answers

    This just started a couple of months ago, but seems it is getting a little worse. I always fill up at 1/2 tank but now when I fill up car crank fine, takes off fine, speeds up fine, then about 2 mile...

    1990 Buick Century Custom

    -

    Maintenance & Repair

  • Is there a Radiator fan switch screwed into the cooling system somewhere or does the ecm control the fans? 12 answers

    I am usually pretty good at diagnosing my cars as I used to work as a tech for a GM dealer in the mid 90's... however I am quickly seeing that things have obviously changed... I have a 2004 Buick Ren...

    2004 Buick Rendezvous CXL

    -

    Maintenance & Repair

Search Buick Century Questions

Buick Century Experts

#1 John Saffrahn
John Saffrahn
Reputation 910
#2 Tom Demyan
Tom Demyan
Reputation 730
#3 John Pate
John Pate
Reputation 440
View All

Related Models For Sale

Used Buick LeSabre
9 Great Deals out of 1,943 listings starting at $1,299
Used Buick Regal
93 Great Deals out of 10,206 listings starting at $3,495
Used Chevrolet Impala
554 Great Deals out of 28,522 listings starting at $700
Used Buick Park Avenue
424 listings starting at $2,960
Used Honda Accord
699 Great Deals out of 83,202 listings starting at $500
Used Toyota Camry
852 Great Deals out of 90,788 listings starting at $1,200
Used Ford Taurus
210 Great Deals out of 19,276 listings starting at $500
Used Chevrolet Malibu
772 Great Deals out of 87,803 listings starting at $1,900
Used Nissan Altima
795 Great Deals out of 77,604 listings starting at $2,700
Used Honda Civic
482 Great Deals out of 81,845 listings starting at $558
Used Lincoln Town Car
27 Great Deals out of 1,817 listings starting at $1,695
Used Nissan Maxima
278 Great Deals out of 26,070 listings starting at $2,300

Used Cars For Sale

2004 Buick Century Base For Sale
10 listings starting at $2,700