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2002 Cadillac Sls

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 7 of 10 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Engine And Engine Cooling complaints

3 reports
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103,000 miles · Dec 17, 2008
Engine And Engine Cooling

A "LOW COOLANT" LIGHT APPEARED ON MY 2002 CADILLAC SLS (4.6L NORTHSTAR VIN-Y). WHILE PARKED STEAM/SMOKE (SMALL AMOUNT) BEGAN RISING FROM THE ENGINE COMPARTMENT AND A SMALL PUDDLE OF COOLANT WAS FOUND BELOW VEHICLE. VEHICLE WAS INSPECTED AND A CRACK IN THE ENGINE BLOCK WAS DISCOVERED. MECHANIC STATED THIS WAS VERY ODD. VEHICL…

Read full complaint

A "LOW COOLANT" LIGHT APPEARED ON MY 2002 CADILLAC SLS (4.6L NORTHSTAR VIN-Y). WHILE PARKED STEAM/SMOKE (SMALL AMOUNT) BEGAN RISING FROM THE ENGINE COMPARTMENT AND A SMALL PUDDLE OF COOLANT WAS FOUND BELOW VEHICLE. VEHICLE WAS INSPECTED AND A CRACK IN THE ENGINE BLOCK WAS DISCOVERED. MECHANIC STATED THIS WAS VERY ODD. VEHICLE HAS 103K MILES. WATER PUMP GASKET WAS REPLACED AT 65K MILES, HEAD GASKETS, THERMOSTAT & RADIATOR WERE REPLACED AT 78K MILES AND WATER PUMP CLAMP/HOSE REPLACED AT 83K MILES. ALL THESE REPAIRS WERE MADE BY THE DEALERSHIP WHILE THE VEHICLE WAS UNDER WARRANTY. NO OTHER REPAIRS (TO MY KNOWLEDGE) WERE MADE TO THE ENGINE/COOLING SYSTEM. *TR

NHTSA ODI #10252119

87,000 miles · Jul 15, 2008
Engine And Engine Cooling

HEAD BOLTS PULLED OUT OF BLOCK ON A 2002 CADILLAC WITH A NORTHSTAR ENGINE. THE FIRST TIME IT HAPPENED THE CAR HAD 74,000 MILE AND WAS FIXED UNDER THE VEHICLES EXTENDED WARRANTY. THE 2ND TIME IT HAPPENED THE CAR HAD 87,000 ON IT AND THE SAME HEAD BOLT THAT WAS FIXED FAILED. THE ENGINE WAS NOT REPAIRABLE AND HAD TO BE REPLACED.…

Read full complaint

HEAD BOLTS PULLED OUT OF BLOCK ON A 2002 CADILLAC WITH A NORTHSTAR ENGINE. THE FIRST TIME IT HAPPENED THE CAR HAD 74,000 MILE AND WAS FIXED UNDER THE VEHICLES EXTENDED WARRANTY. THE 2ND TIME IT HAPPENED THE CAR HAD 87,000 ON IT AND THE SAME HEAD BOLT THAT WAS FIXED FAILED. THE ENGINE WAS NOT REPAIRABLE AND HAD TO BE REPLACED. THIS WAS A PATCH JOB THAT GM KNEW WAS NOT PERMANENT AND THEY NOW DO NOT WANT TO TAKE CARE OF THEIR SHODDY REPAIR PROCEDURE. *TR

NHTSA ODI #10234414

87,000 miles · Jul 14, 2008
Engine And Engine CoolingStructure

DEFECTIVE NORTHSTAR ENGINES, HEAD BOLTS PULLING OUT OF BLOCK. *TR

NHTSA ODI #10234219

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.