how to change a 2003 century radiator

Zeroboostbuick

Well-known member
1,040
246
63
S.W. Ontario Canada
Buick Ownership
2018 Regal Sportback - 2010 Yamaha R6 (track bike) Past cars: 92 LeSabre, 98 Regal, 02 GrandPrixGT
It's not too hard from what I remember. I replaced one on a 2000 Impala and on a 98 Regal.

The cooler line clips can be a headache at first.
 

ledzilla

Full Member
198
14
18
Buick Ownership
2001 Century Custom
I did this on my 2001 earlier this year (turns out it was just a goofy hose). It's not too difficult. If you get the right tools, disconnecting the trans cooler lines isn't too tough. But do keep in mind that if trans fluid doesn't pour out after disconnecting the lines, it could still pour out later, so keep something underneath it to catch any fluids.
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ServantToTruth

Junior Member
33
0
6
Louisiana & Mississippi
Buick Ownership
2000 Century, 2003 Century, 2004 Rendezvous
Spend the extra $1-$2 and buy the quick disconnect tool for the lines. I learned the hard way by trying to use a homemade tool and screwed something up. Also, inspect your radiator for damage before you get started.
 
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