The 1999 Saturn SL carries 2 open NHTSA recalls — most recently covering exterior lighting and anchorage. Owners report 6 recurring issue clusters, led by “Cracked cylinder head and head gasket with coolant-oil mix.” GM wound Saturn down in 2009, so parts now come through the GM catalog rather than a Saturn dealer. Which Saturn you own changes the maintenance picture completely. The S-series cars, meaning the SL, SC, and SW, use a 1.9 liter four with a timing chain, and the twin-cam version is known to burn oil as it ages, so checking the dipstick between changes matters more than the interval does. The L-series and Astra are Opel designs and want European-spec parts. The later Vue, Ion, Aura, Outlook, and Sky are mainstream GM under the badge. One item deserves a direct warning: 2002 to 2005 Vue models fitted with the VTi continuously variable transmission had a poor reliability record, and GM stopped building it. If you are buying one, confirm which transmission it has first.
EXTERIOR LIGHTING
Campaign #09E012000 · Jul 4, 2009
Issue: SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.
Risk: DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.
Fix: SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON MAY 11, 2009. OWNERS MAY CONTACT SABERSPORT AT 1-909-598-7589.
SEAT BELTS:FRONT:ANCHORAGE
Campaign #99V280000 · Oct 20, 1999
Issue: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES DO NOT COMPLY WITH REQUIREMENTS OF FMVSS NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES." SOME OF THE VEHICLES WERE PRODUCED WITH SEAT BELT SHOULDER GUIDE ANCHOR BOLTS THAT WERE NOT ADEQUATELY TIGHTENED AT THE CENTER PILLAR AND COULD FALL OUT, MAKING THE SEAT BELT INOPERATIVE.
Risk: IN THE EVENT OF A CRASH, THE SEAT OCCUPANT MAY NOT BE PROPERLY RESTRAINED.
Fix: DEALERS WILL INSPECT THESE VEHICLES FOR PROPER INSTALLATION AND TORQUE OF THE SEAT BELT SHOULDER GUIDE ANCHOR BOLTS.
What drivers and federal regulators have officially reported about the 1999 Saturn SL.
ENGINE AND ENGINE COOLING
15 NHTSA complaints · 2000-11 → 2007-07
“AT ABOUT 81200 MILES, THE LOW COOLANT LIGHT CAME ON. UPON REFILLING THE RESERVOIR, I NOTICED THAT THE COOLANT WAS DISCOLORED”
“THE CYLINDER HEAD CRACKED BY #5 CYLINDER BY CAM JOURNAL ON A 1999 SATURN SL-1 4 DOOR SEDAN WITH 54,950 MILES”
“SATURN WAS LEAKING OIL INTO THE RADIATOR EXPANSION TANK AND WATER IN THE OIL”
SERVICE BRAKES, HYDRAULIC
10 NHTSA complaints · 2000-04 → 2007-08
“BRAKE ROTORS WARPED AND CORRODED AT 39,660 MILES”
“FRONT BRAKE ROTORS STARTED TO WARP AT ~15000 MILES”
“VEHICLE HAS HAD 3 MULTIPLE INCIDENTS OF HEAVY BRAKE PULSATION CAUSED BY FRONT ROTORS, AND ONE FAILURE OF ABS SENSORS CAUSING ABS FAILURE”
POWER TRAIN
4 NHTSA complaints · 2003-08 → 2008-07
“SHIFT CABLES BROKE WHILE DRIVING DOWN HIGHWAY LEAVING VEHICLE DISABLED”
“I FOUND IT WAS THE CHEAP PLASTIC SHIFTER BUSHING WHICH ATTACHES THE SHIFT CABLE TO THE STICK”
“LIKE MANY OTHER OWNERS OF SATURN AUTOMOBILES WITH FIVE-SPEED MANUAL TRANSMISSIONS, I HAD THE BUSHING ON THE SHIFT CABLE BREAK”
ENGINE AND ENGINE COOLING
11 NHTSA complaints · 1999-09 → 2015-09
“WHILE DRIVING AT HIGHWAY SPEEDS THE VEHICLE STALLED. CONSUMER MANAGED TO PULL OVER AND RESTARTED THE VEHICLE”
“THE CONTACT STATED WHILE DRIVING 15 TO 20 MPH, THE ENGINE SUDDENLY LOST POWER. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE”
“VEHICLE LOST ALL POWER ON TWO OCCASIONS, ON FIRST OCCASION, VEHICLE STALLED WHILE CONSUMER WAS TRAVELING 30 MPH, VEHICLE WOULD NOT RESTART AND IT WAS TOWED WHERE DEALER COULD NOT FIND ANYTHING WRONG”
AIR BAGS
10 NHTSA complaints · 1999-02 → 2006-11
“HEAD-ON CRASH AT 40 MPH, VEHICLE HIT TELEPHONE POLE, NEITHER AIRBAG DEPLOYED”
“WHILE DRIVING 30 MPH CONSUMER'S VEHICLE CRASHED HEAD ON INTO A POLE. UPON IMPACT, DUAL AIRBAGS DID NOT DEPLOY”
“VEHICLE WAS HIT IN A FRONTAL COLLISION AT 40 MPH IN WHICH DRIVER'S AND PASSENGER'S AIR BAGS DID NOT DEPLOY, CAUSE UNKNOWN”
AIR BAGS
4 NHTSA complaints · 2003-04 → 2013-01
“THE CONTACT STATED WHILE PULLING INTO A PARKING AREA THE VEHICLE LIGHTLY HIT A CURB. THE FRONT AIR BAGS DEPLOYED”
“WHILE DRIVING DOWN THE ROAD THE AIR BAGS SPONTANEOUSLY DEPLOYED”
“THE FRONTAL AIR BAGS DEPLOYED WITHOUT IMPACT”
Issues on other model years
Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 1, 2026.
We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.
Critical for safety and preventing major damage
Models from about 2003 on use the GM Oil Life System. Change when it asks and at least once a year. On S-series cars with the twin-cam 1.9, check the level every other fuel stop. Oil consumption on a worn one can empty the sump well before the next service is due.
Estimated cost — typical U.S. ranges
Dealer
~$120–$160
Shop
~$85–$115
DIY
~$25–$55
Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.
Rotate every 7,500 miles. Check the sidewall date codes too. On cars this age, tires usually time out before they wear out.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Often free at the shop where you bought the tires — worth asking before paying.
Inspect pads, rotors, hoses, and hard lines at every service. Rear drums on S-series cars and rear calipers on the Vue and Ion both stick on vehicles that sit for long stretches.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.
Replace every 2 years. This is the single cheapest thing you can do to keep an aging ABS pump and calipers alive.
Estimated cost — typical U.S. ranges
Dealer
~$180–$200
Shop
~$125–$140
DIY
~$10–$25
DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.
Keeps your vehicle running smoothly and efficiently
Drain and fill every 45,000 miles. Fluid depends on the car: Dexron VI for most conventional automatics, a specific CVT fluid for 2002 to 2005 Vue models with the VTi, and Saturn-spec manual gear oil for the S-series manuals. Confirm the spec before anyone pours anything in.
Estimated cost — typical U.S. ranges
Dealer
~$330–$500
Shop
~$235–$355
DIY
~$60–$180
Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.
100,000 miles on platinum or iridium plugs. On the S-series 1.9 and the Ecotec fours, replace the coil pack boots at the same time. Brittle boots misfire and mimic a failing coil.
Estimated cost — typical U.S. ranges
Dealer
~$285–$390
Shop
~$200–$275
DIY
~$25–$100
Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.
Replace the belt and the tensioner as a set once either one is cracked, glazed, or noisy. A tired tensioner will destroy a new belt.
Estimated cost — typical U.S. ranges
Dealer
~$195–$235
Shop
~$135–$165
DIY
~$20–$50
DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.
Replace every 30,000 miles. Easy access on the S-series and the Ecotec engines.
Estimated cost — typical U.S. ranges
Dealer
~$60–$95
Shop
~$45–$70
DIY
~$15–$40
5-minute job on most cars; the airbox lid usually has clips, no tools needed.
Extends the life of your vehicle and improves comfort
Every 5 years on a car this old. Most Saturns use orange Dex-Cool, which must never be mixed with green coolant. Ask the shop to check for seepage at the water pump and the intake gasket while the system is open.
Estimated cost — typical U.S. ranges
Dealer
~$285–$330
Shop
~$200–$235
DIY
~$25–$60
Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.
Most of the lineup uses conventional hydraulic steering, so check the fluid level and the hoses. The Ion and some Vue models use an electric power steering unit instead, which has no fluid but was the subject of GM recall activity. Worth confirming yours was addressed.
Estimated cost — typical U.S. ranges
Dealer
~$185–$220
Shop
~$130–$155
DIY
~$15–$40
Most cars built after ~2012 use electric power steering and have no fluid to service.
Test the battery and alternator once a year. A weak battery on this generation of GM electronics produces warning lights that look like much more expensive problems.
Estimated cost — typical U.S. ranges
Dealer
~$225–$390
Shop
~$160–$280
DIY
~$130–$250
Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.
Occupant deaths in fatal crashes (FARS)
456 crashes 1990–2024
How the 456 occupant deaths break down
335
driver deaths
120
passenger deaths
1
not recorded by seat
456
occupant deaths
Crash years covered: 1990–2024 This model year first appears in 1998 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number
FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.
Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.
Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.
IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.
Owner-reported problem signals
Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.
28
complaints mentioning a crash
1
complaints mentioning a fire
Reviewed known issues for this vehicle·Open recalls for this vehicle
Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.
How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.
This maintenance schedule for the 1999 Saturn SL reflects Saturn's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.