Problems · NHTSA complaints
1999 Oldsmobile Silhouette problems
Owners filed 153 complaints about the 1999 Oldsmobile Silhouette with NHTSA between Jan 1999 and Jul 2016. The most-cited component is engine and engine cooling (46).
Complaints
153
Filed with NHTSA
Crashes
9
Reported by owners
Fires
4
Reported by owners
Injuries
18
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine and engine cooling46
- Structure18
- Power train16
- Air bags12
- Latches/locks/linkages11
- Electrical system10
- Exterior lighting8
- Seat belts8
- Visibility7
- Fuel system, gasoline7
- Vehicle speed control6
- Service brakes, hydraulic6
- Suspension5
- Tires4
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 13, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
20
16
12
16
27
32
11
2
4
1
3
3
2
0
0
0
3
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 1999 | 20 |
| 2000 | 16 |
| 2001 | 12 |
| 2002 | 16 |
| 2003 | 27 |
| 2004 | 32 |
| 2005 | 11 |
| 2006 | 2 |
| 2007 | 4 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 3 |
| 2016 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Engine and engine cooling
46 reports1 fire
“REPEATED INTAKE MANIFOLD GASKET LEAK / FAILURE - HAD TO REPLACE TWICE IN LESS THAN 100,000 MILES - FIRST TIME AT JUST OVER 36,000 MILES. NEVER OWNED A CAR WHERE I HAD TO REPLACE AN INTAKE MANIFOLD GASKET ONCE, LET ALONE TWICE AND VIRTUALLY EVERY CAR MY FAMILY HAS OWNED HAS BEEN MAINTAINED AND DRIVEN OVER 100,000 MILES. SEARCHING THE INTERNET YOU SEE THE GM 3.4 LITER ENGINE IN 1999 ERA THIS IS A COMMON COMPLAINT/PROBLEM. ALSO THE ORIGINAL OLDSMOBILE DEALER ACKNOWLEDGED IT WAS A KNOWN ISSUE WITH THIS ENGINE. THERE IS ALSO A LAWSUIT WWW.DEXCOOLSETTLEMENT.COM SHOWING HOW PREVALENT THIS ISSUE IS - YET GM REFUSES TO ACKNOWLEDGE IT IS A DEFECT AND TAKE CARE OF THEIR CUSTOMERS AND VEHICLE OWNERS BY REPAIRING THESE VEHICLES AND CHANGING THE GASKET DESIGN. IT WAS BAD ENOUGH HAVING TO SPEND CLOSE TO $500 TO REPAIR THIS ON MY OLDSMOBILE WITH JUST OVER 36,000 MILES ON IT, NOW I AM TOLD TO PAY CLOSE TO $1,000 TO HAVE IT REPLACED AGAIN! GM CUSTOMER ASSISTANCE INSISTS THERE IS NO DEFECT, THERE IS NOTHING ABNORMAL ABOUT THIS THAT REQUIRES ANY CORRECTIVE ACTION OR "ASSISTANCE" FROM GM. THEY FURTHER CLAIM GM ENGINEERS HAVE REVIEWED THE INCOMING DATA TO CUSTOMER ASSISTANCE AND…”
Structure
18 reports
“1999 OLDSMOBILE SILHOUETTE MOTOR HAD FALLEN DOWN.*MR THE DISCOVERED THE CRADLE BOLT ON THE PASSENGER SIDE WAS GONE. THE CONSUMER UNSCREWED THE DRIVERS BOLT AND SAW THAT IT CONTAINED RUST. THE MANUFACTURER WOULD NOT COVER THE COST BECAUSE THEY STATED IT HAD BEEN TAMPERED WITH BEFORE THE CONSUMER PURCHASED THE VEHICLE. THE OUTER TIE RODS AND HUB BEARINGS WERE REPLACED. *JB”
Power train
16 reports
“I WAS BACKING OUT OF MY PLACE AT WORSHIP WHEN A FRIEND TOLD ME I HAD NO BACKUP LIGHTS. I WENT STRAIGHT TO THE AUTO SUPPLY STORE. REPLACING THE BULBS DID NOT WORK. THEY TOLD ME IT HAD TO DO WITH THE TRANSMISSION. I WENT ELSEWHERE. SAME STORY. WENT TO THE HE TRANSMISSION STORE. THEY SAID MY TRANSMISSION WAS GOING OUT AND IT WOULD COST ME $1897.00 TO FIX IT. TWO LITTLE BULBS. THAT WAS A YEAR AGO AND I'M STILL DRIVING IT. I TRY TO BACK INTO SPACES SO I DON'T HAVE TO BACK OUT. I WENT TO THE DEALER AND THEY SAID TO REPLACE THE WIRING ASSEMBLY WOULD COST MORE THAN THE CAR IS WORTH. AND THE SEAT BELT CLICKS IN BUT SOMETIMES SLIPS OUT IF I STOP QUICKLY IF SOMEONE CUTS ME OFF. NOT GOOD AT ALL.THE POWER TRAIN IS ERRATIC AT BEST. I WONDER IF I'M GOING TO MAKE IT HOME QUITE A LOT AND I AM DISABLED. IT SHUDDERS WHEN IT STARTS OUT, MAKING IT DANGEROUS IN TIGHT DRIVING SITUATIONS(CHICAGO).IT SLIDES OR SLIPS. I'VE BEEN TOLD TIME AND TIME THERE'S NOTHING WRONG. BUT WHEN YOU TELL A CAR TO GO, IT SHOULD GO...ITS NOT SUPPOSED TO ACT LIKE A STUBBORN DUMB MULE! AND THE DOORS QUIT WORKING AS DID THE AC AND IT EATS TIRES EVEN THOUGH ITS ALIGNED AND BALANCED. I FIXED THE SHOWER WITH 25…”
Air bags
12 reports6 crashes
“WHILE DRIVING AT 50 MPH CONSUMER TOOK THE WRONG ROAD AND ENDED UP ON A DEAD END ROAD. CONSUMER SLAMMED ON THE BRAKES TO AVOID CRASHING INTO THE GUARD RAIL, BUT CRASHED INTO IT ANYWAY. UPON IMPACT, NONE OF THE FRONTAL AIR BAGS DEPLOYED. NO INJURIES WERE REPORTED DUE TO THE OCCUPANTS BEING RETRAINED IN THE SEAT BELTS.*AK”
Latches/locks/linkages
11 reports1 crash3 related recalls
“TL* THE CONTACT OWNS A 1999 OLDSMOBILE SILHOUETTE. THE RIGHT PASSENGER SLIDING DOOR WOULD AUTOMATICALLY OPEN PARTIALLY, AND THEN CLOSE. IF A PASSENGER ATTEMPTS TO ENTER THE VEHICLE, HE OR SHE MAY BE SERIOUSLY INJURED. THE VEHICLE WAS REPAIRED ACCORDING TO RECALL NUMBERS 01V264000 & 04V597000 ( LATCHES/LOCKS/LINKAGES:DOORS:LATCH). THE MANUFACTURER WOULD NOT ASSUME RESPONSIBILITY FOR THE FAILURES. THE DEALER STATED THAT TO IDENTIFY THE CAUSE OF THE FAILURE SHE WOULD HAVE TO PAY A DIAGNOSTICS FEE OF $125.00. THE CURRENT MILEAGE WAS 112,326. THE FAILURE MILEAGE WAS APPROXIMATELY 112,000.”
Electrical system
10 reports2 fires
“I WAS DRIVING IN TOWN WHEN A CAR PULLED OUT OF A PARKING SPOT RIGHT IN FRONT OF ME GIVING ME TWO FEET TO STOP AT 25 MPH. I STOPPED BUT MY BRAKES BLEW. TOTAL FAILURE OF TWO BRAKES. THE ENGINE. ACCORDING TO YOUR COMPLAINTS I MIGHT HAVE A GASKET TO REPLACE BECAUSE I HAVE A COOLANT LIGHT ON AND IT DOESN'T NEED ANY. THE REPAIRMAN SAID I NEEDED A NEW SENSOR. HMMM. ELECTRICAL. FUEL GAUGE IS INOPERABLE. COOLANT LIGHT WRONG. AIRBAG LIGHTS CAN'T MAKE UP THEIR MIND IF THEY WORK OR NOT. THE CAR LOCKS ME OUT REPEATEDLY. THE POWER WINDOWS WON'T WORK..DANGEROUS HERE WITH ALL THE RIVERS AND WATERWAYS. THE SLIDING DOORS DON'T WORK. NONE OF THE POWER CONTROLS IN THE KEY FOB WORK(YES, I CHECKED THE BATTERY). OH..AND IT HAS A INDOOR SHOWER WHEN IT RAINS. ROOF FAILURE, FAULT IN DESIGN. COULD YOU PLEASE TELL ME IF PAST SERVICE BULLETINS I JUST FOUND ON YOUR SITE STILL PERTAIN? THERE ARE MANY FOR THIS VEHICLE AND ITS ISSUES. PLEASE ADVISE. THANK YOU. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 13, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.