BOTH BLOCK HALVES AND THE CAM COVERS BEGAN LEAKING AND THEY TELL ME THE REPAIR WILL COST $3,500.00. THE VEHICLE HAS ALWAYS HAD REGULAR OIL CHANGES AND MAINTENANCE AND HAS LOW MILEAGE FOR A 2006. I HAVE HEARD THIS IS A REGULAR PROBLEM WITH THIS YEAR CADILAC.
2006 Cadillac DTS engine problems
severe 39 complaints filed with NHTSA · avg repair $3,100
Complaints
39
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 3 most recent
OIL LEAKS FROM THE ENGINE. LEAKS HAPPEN BOTH WHILE DRIVING AND WHEN PARKED IN ALL SITUATIONS.
TL* THE CONTACT OWNS A 2006 CADILLAC DTS. WHILE APPROACHING A STOP SIGN, AN OIL ODOR WAS COMING FROM THE ENGINE. THE CONTACT NOTICED THAT GRAY SMOKE WAS COMING FROM THE HOOD OF VEHICLE. THE VEHICLE WAS TAKEN TO A INDEPENDENT MECHANIC WHERE HE WAS INFORMED THE OIL PAN GASKET WAS LEAKING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE…
Common questions
How serious is the engine problem on the 2006 Cadillac DTS?
It's a meaningful issue. 39 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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