1999 Oldsmobile Alero engine problems
The 1999 Oldsmobile Alero has 89 engine complaints filed with NHTSA — 13% of the year's total, and up sharply from the prior model year.
89
Engine complaints
13%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“WHILE DRIVING DRIVER NOTICED SMOKE COMING UNDER THE HOOD. PULLED VEHICLE OVER AND CHECKED. NOTICED COOLANT WAS LEAKING ON THE INTAKE MANIFOLD. TOOK VEHICLE TO DEALERSHIP. MECHANIC HAD NOT DETERMINE THE CAUSE OF THE LEAKAGE.*AK”
Common questions
How many engine complaints does the 1999 Oldsmobile Alero have?
NHTSA has 89 complaints about the 1999 Oldsmobile Alero engine — 13% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.