thumping sound when driving, and cooling fans wont turn on

Asked by Jan 24, 2016 at 12:55 AM about the 2001 Pontiac Grand Am SE

Question type: Maintenance & Repair

When driving my 2.4  grand am theres a thumping sound
coming from the front or back right tires i dont know which
one but the thumping sound comes and goes,  and the
cooling fans will turn on if the ac is on and my papa and i
connected them to the battery and they clicked on and took  
it to auto zone and they just took out the relays and
switched them and they still didnt run if any one could help
thatd be great thanks!!!

1 Answer

4,235

The fans will come on when the AC is on. It is designed that way. If they don't come on at any other time, I would first make sure your engine is getting hot enough to turn them on. Have you had any overheating issues that would indicate they are failing or does your temp stay in the normal range when you drive? I don't know about the thump you describe but you may want to inspect your tires on that side and look for distortions in the tread or bubbles on the sidewalls.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Pontiac Grand Am Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,350
#2 John Saffrahn
John Saffrahn
Reputation 1,510
#3 Tom Demyan
Tom Demyan
Reputation 1,320
View All

Related Models For Sale

Used Pontiac Grand Prix
24 Great Deals out of 3,722 listings starting at $879
Used Pontiac Firebird
15 Great Deals out of 777 listings starting at $2,495
Used Ford Mustang
561 Great Deals out of 43,003 listings starting at $1,699
Used Chevrolet Impala
954 Great Deals out of 35,424 listings starting at $1,700
Used Chevrolet Camaro
433 Great Deals out of 40,831 listings starting at $3,500
Used Honda Accord
1,012 Great Deals out of 75,624 listings starting at $899
Used Chevrolet Malibu
1,181 Great Deals out of 83,200 listings starting at $1,800
Used Toyota Camry
1,233 Great Deals out of 97,271 listings starting at $1,250
Used Ford Taurus
325 Great Deals out of 21,200 listings starting at $1,800
Used Pontiac Bonneville
9 Great Deals out of 652 listings starting at $1,375
Used Chevrolet Cavalier
1,309 listings