Problems · by component

1999 Saturn SL engine and engine cooling problems

48 owner complaints to NHTSA about the 1999 Saturn SL cite engine and engine cooling, 25% of all 193 complaints for this model year.

Complaints
48
25% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“I HAVE A 1999 SATURN. IT KEEPS STALLING WHILE IN MOTION. IT WILL WORK FINE FOR A FEW WEEKS, THEN ALL OF THE SUDDEN IT WILL "ACT UP" AND THE RPMS WILL DANCE AROUND UNTIL IT FINALLY STALLS. I HAVE HAD THIS HAPPEN MANY TIMES ALREADY. I BELIEVE IT SHOULD BE INCLUDED WITH THE TIMING CHAIN INQUIRY, BUT I AM NOT SURE IF IT WILL RUN LONG ENOUGH FOR IT TO BE COVERED. I AM UPSET THAT I CAN'T GET ANY ANSWERS FROM SATURN. THEY INSIST ON ME BRINGING THE CAR IN AND I AM QUITE SURE THAT WILL NEED TO "FIX IT" WHICH WILL COST ME PLENTY. PLEASE MAKE NOTE THAT MY VEHICLE IS AFFECTED BY THIS DEFECT AND I CAN'T AFFORD TO FIX IT MYSELF. *TR”
Owner complaint to NHTSAFiled Oct 13, 2008Engine and engine coolingODI 10245258
“OIL KEEPS COLLECTING IN THE WATER RESERVOIR SEEMS TO HAVE DEVELOPED THE PROBLEM VERY SUDDENLY TOOK IT TO A GARAGE AND THE HEAD MECHANIC SAID THIS IS A COMMON PROBLEM WITH SATURNS SO I AM WONDERING IF THIS IS SOMETHING OF A DESIGN FLAW THAT NEEDS TO BE ADDRESSED,AND THE PUBLIC NEEDS TO BE INFORMED ABOUT. WONDER IF THERE IS A MANUFACTURER FIX FOR THE PROBLEM? *TR”
Owner complaint to NHTSAFiled Jul 30, 2008Engine and engine coolingODI 10236351
“ONCE MY SATURN SL AS AT LEAST 2 OTHERS THAT I KNOW OF THAT OWN THIS SAME TYPE OF VEHICLE, HIT 100K MILES OR JUST SLIGHTLY OVER, THE HEAD GASKET BLOWS. I LOVED THE CAR UNTIL THIS POINT AND WOULD HAVE PURCHASED ANOTHER IF THIS WASN'T A COMMON ISSUE WITH SATURNS. *TR”
Owner complaint to NHTSAFiled Jul 27, 2007Engine and engine coolingODI 10197621
“DT*: THE CONTACT STATED THE VEHICLE USED UP A LARGE AMOUNT OF RADIATOR FLUID. THERE WERE NO VISIBLE LEAKS ON THE DRIVEWAY, HOWEVER THE RESERVOIR HAD TO BE REFILLED EVERY 3 DAYS. THE VEHICLE WAS TAKEN TO A PRIVATE REPAIR SHOP, WHERE, UPON INSPECTION, THERE WAS MOISTURE AROUND THE TOP OF THE RADIATOR TANK, AND IT WAS DETERMINED THAT THE RADIATOR TANK HAD LEAKED FROM THE TOP.”
Owner complaint to NHTSAFiled Oct 23, 2006Engine and engine coolingODI 10171576
“DT*: THE CONTACT STATED WHILE DRIVING 15 TO 20 MPH, THE ENGINE SUDDENLY LOST POWER. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE. THE VEHICLE WAS TOWED TO A LOCAL REPAIR SHOP WHO DETERMINED THE CRANK POSITION SENSOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS ALERTED OF THE PROBLEM. UPDATED 06/15/06.”
Owner complaint to NHTSAFiled May 26, 2006Engine and engine coolingODI 10158318
“1999 SATURN SL1 44300 MILES ON IT. 3-4 WEEKS AGO COOLANT LIGHT CAME ON. CHECKED COOLANT LEVEL WAS FINE BUT MILKY SUBS FLOATING ON TOP. CHECKED WITH RADIATOR SHOP, SUGGESTED FLUSH SYSTEM AND REPLACE COOLANT. 2 WEEKS LATER OIL LIGHT CAME ON. CHECKED OIL, NONE ON DIP STICK (3 WEEKS AFTER OIL CHANGE). ADDED OIL AND VEHICLE WAS DRIVEN ABOUT 15-20 MILES AND BEGAN TO OVERHEAT. VEHICLE WAS TOWED TO SATURN OF MONROVIA WHERE THEY FOUND A CRACKED BLOCK. DEALERSHIP AND SATURN CORP. ARE NOT WILLING TO COVER FIXING THE PROBLEM EVEN THOUGH THEY KNOW THERE ARE STILL PROBLEMS WITH THESE ENGINES. EARLIER MODELS HAD WARRANTIES EXTENDED TO 6 YEAR/100,000 MILES. SATURN CORP. STATED THAT VEHICLE WAS PAST THAT WARRANTY AND I AM OUT OF LUCK. I THINK THAT SATURN SHOULD FIX THE PROBLEM AT THEIR EXPENSE AS THEY KNOW OF THE DEFECTS BUT CONTINUE TO DO NOTHING ABOUT IT. I DON'T THINK I SHOULD HAVE TO PAY ALMOST $2,000 TO HAVE THIS DEFECT FIXED. I DO HAVE RECEIPTS SINCE I HAVE OWNED THE VEHICLE (LESS THEN A YEAR) AND MY BROTHER OWNED THE VEH. PRIOR BUT DIDN'T USE SATURN EXCEPT TWICE TO SERVICE THE VEHICLE SINCE THEY WERE NOT CLOSE TO HIS RESIDENCE WHILE HE LIVED IN TEXAS. *JB”
Owner complaint to NHTSAFiled Nov 22, 2005Engine and engine coolingODI 10143488

Showing 6 of 48 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Other 1999 SL problem areas