2003 Buick Buick problems, complaints & recalls
Most-reported problem areas: Engine And Engine Cooling:engine (2) · Electrical System (1)
🧭 Reliability snapshot
Compared against other Buick Buick model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (15)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Wheels 2006-06-01 · 990851007 · Service Bulletin/Repair Instructions
this bulletin updates gmcs position on refinishing aluminum wheels for 2003 and prior passenger car and trucks. *tt 2007 and prior passenger cars and trucks including saturn. updated. *kb
Electrical System 2005-08-01 · 030604012 · Service Bulletin/Repair Instructions
inspection of all related wiring harness connections when diagnosing miscellaneous diagnostic trouble codes, intermittent driveability concerns, hard start, no start, incorrect gauges, inoperative air conditioning systems, service engine soon lamps illuminated, 4wd lamp illuminated, instrument panel
Power Train:automatic Transmission 2004-09-01 · 020730052A · Service Bulletin/Repair Instructions
essential tool j 45096 transflow for 2005 and prior passenger <a title="click for more information about car" style="text-decoration: none; border-bottom: medium solid green;" href="http://search.targetwords.com/u.search?x=5977|1||||cars|aa1vdw">car</a>s and light duty trucks with automatic transmis
Power Train:automatic Transmission:cooling Unit And Lines 2004-08-01 · 030730002A · Service Bulletin/Repair Instructions
transmission cooling system service tool j 45096 - transflow information. *tt
Power Train:automatic Transmission 2004-08-01 · 990730030C · Service Bulletin/Repair Instructions
grinding and / or growling noise in park on incline. *tt to include 2005 and prior fwd passenger vehicles. *tt
Engine And Engine Cooling:engine 2003-08-22 · 082203 · Service Bulletin/Repair Instructions
this is dealer vme concerns oil viscosity users guidelines for the 3800 l36 and l67 engine applications.
Showing the 6 most recent of 15 bulletins. Search all of them free at nhtsa.gov.
What owners report
2007-08-24 · Engine And Engine Cooling:engine · 60,050 mi“on 21 august 2007 my 2003 buck rendezvous cxl awd with app 60,050 miles suffered a complete engine failure due to what my mechanic believes is a failure of the wrist pin in the left most front cylinder. the car was well maintained for receiving regularly spaced oil changes. per my mechanic's opinion failure of this part is not an indication of exc…”
2007-06-28 · Electrical System“last year after refueling the 03 buick rendezvous it would not crank. since then, occasionally it has done the same. recently, it won't start at all without taking 30 + minutes of retrying and retrying. the dealer replaced the fuel lines ,and said that it was probably the problem. after spending $400 for that the car is still not cranking.*ak…”
2005-01-13 · Engine And Engine Cooling:engine“was told by dealer that the normal oil consumption of 1 quart in 2000 miles was normal according to the manufacturer for a buick lesabre '03 v6 engine. i thought it was ridiculous for a brand new car! i'd appreciate any info on this. *nm…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.