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1991 Oldsmobile 98 OilsR.Us - Only the Best!



Oils & FiltersMaintenance ScheduleService BulletinRecallsImages
1991 Oldsmobile 98
3.8L 6-cyl Engine Code [L] Engine Code [L]
170 bhp. @ 4800 rpm / Torque: 220 ft. lbs. @ 3200 rpm
3.8L - V 6-cyl (Gasoline)

We know your Oldsmobile 98
& We offer the world's best oils, filters & more!

AMSOIL manufacture's the world's best synthetic lubricant's & filters since 1972. AMSOIL also offers substitute brands such as WIX, Mann & Donaldson making us your one-stop shop for all automotive maintenance needs.

How do I use this Product Cross Reference Guide?

Product Cross Reference Guide: This product cross reference guide follows recommendations outlined in your owners manual and also reflects periodic service recommendation updates from the original equipment manufacturer for this particular model (1991 Oldsmobile 98 with engine code [L]) show example...

For example, the manufacturer may have recommended 5W30 motor oil at the time of production (owners manual) & later revised the recommendation to 5W20. This guide will reflect latest recommendation by the manufacturer for this model. If there are no special instructions from the manufacturer, the owner can choose to follow either one of the recommendation without voiding warranty hide example.

Optional Equipment Listing This guide lists all available equipment options such as transmission options, differentials etc. for 1991 Oldsmobile 98 with engine code [L] hide.
Product Availability Listing This guide lists all available AMSOIL & substitute brand products that meet or exceed OEM (Oldsmobile) recommendation for each equipment. Any one of the recommended product can be used. One may be better than the other, you can review product details & price or contact us to ask our opinion pertaining to your usage and preference hide.
Operating Temperature Original equipment manufacturer (OEM) sometimes provide different product recommendations based on operating environment temperature for a given equipment. This product cross reference guide will list such recommendations based on OEM guidelines. Some OEM recommended viscosity pertaining to a specific temperature range may not be available from AMSOIL.

However, AMSOIL products recommended for another temperature range can be safely used because AMSOIL synthetic lubricants are engineered to provide exceptional performance for significantly broader temperature range when compared to conventional & or other brand synthetic oils. For more information on a lubricants cold temperature performance; please refer to "Pour Point" from "Technical Properties" table located at the bottom of each lubricant product page hide.
Last Updated This product cross reference guide for 1991 Oldsmobile 98 engine code [L] was last updated on 11th July 2019 hide.
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  1. Engine Oil

    Grade 1  »  API*
    Above 0 F  »  10W-30 [1]
    Above 39 F  »  30 [2]
    Below 61 F  »  5W-30
  2. Automatic Transmission

  3. Power Steering Fluid

    Power Steering Fluid  »  PS003

    Power Steering Fluid (PSFCN)
  4. Brake Fluid

    Brake Fluid  »  HB

    DOT 3 and 4 Brake Fluid (BFLVCN) [4]
  5. Lubricants & Fluids Comments  »  [*]

    [1] SAE 10W-30 is preferred.
    [2] Use only if the other recommended viscosities are not
    available.
    [3] This specification has been updated from Dexron II or III to
    Dexron VI per a Technical Service Bulletin from the
    manufacturer
    [4] Hydraulic Brake Fluid, DOT 3. Original recommendation
    P/N 12377967 has been replaced by P/N 19353126.

  6. Fluid Capacities (drive train fluids)

    Engine, with filter  »  4.5 quarts [1]
    Cooling System, Initial Fill  »  13.2 quarts
    Passenger Car & Light Truck Antifreeze & Coolant
    AMSOIL Antifreeze and Engine Coolant
    Automatic Transmission, 4T60-E Initial Fill  »  7 quarts
    Automatic Transmission, Total Fill
    4 speed 4T60-E  »  11.1 quarts
    ANTPC ANT
    Capacities Comments
    [1] After refill check oil level.
  7. Chassis Lubrication

  8. Torque Specifications

    Oil Drain Plug  »  30 ft/lbs

Close Panels

  1. Filters: Oil, Air, Cabin, Fuel, Transmission, Hydraulic & Crankcase

    Oil Filter Ea® Oil Filter (EA15K29)  
    Oil Filter WIX 51040 Oil Filter  
    Air Filter WIX 46153 Air Filter  
    Fuel Filter WIX 33484 Fuel Filter  
    Transmission Filter WIX 58918 Auto Tran Filter [1]
    Transmission Filter WIX 58837 Auto Tran Filter [2]

    Filter Comments
    [1] without Pan Gasket
    [2] Includes Pan Gasket
  2. Gasoline Engine Fuel Additives

    Dominator Octane Boost (AOB)
    AOBDominator Octane Boost (AOB)

    Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Reduces engine knock, improves ignition and engine response, helps fuel burn cleaner and inhibits corrosion. Recommended for off-road and racing use. Packag...

    Gasoline Stabilizer (AST)
    ASTGasoline Stabilizer (AST)

    AMSOIL Gasoline Stabilizer (AST) reduces the oxidation process that occurs when fuel is stored for extended periods, improving performance, extending equipment life and decreasing maintenance expenses. Package sizes include: 16-oz. Bottle ...

    P.I Performance Improver (API)
    APIP.I Performance Improver (API)

    P.i. improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Restores power and performance. Reduces the need for costly higher...

Close Panels

ATM10W-30 Signature Series Synthetic Motor Oil (ATM)

The Top Tier of AMSOIL Synthetic Motor Oil. AMSOIL Signature Series Synthetic Motor Oil delivers extraordinary lubrication in all types of automotive gasoline engines. Engineered for enthusiasts seeking maximum protection and performance. Precision-f...
XLT10W-30 Extended Life Synthetic Motor Oil (XLT)

AMSOIL XL Synthetic Motor Oil is the choice for those who want to do something extra for their vehicle. Its boosted formulation delivers extra cleaning power, outstanding wear control, excellent high and low temperature protection and exceptional fue...
OET10W-30 OE Series Synthetic Motor Oil (OET)

OE Synthetic Motor Oil is for mechanics and drivers seeking peace of mind protection and exceptional value in synthetic motor oil. It delivers 100 percent synthetic engine protection for advanced automotive technology, including turbochargers and dir...
ATLSignature Series Fuel-Efficient Synthetic ATF

A fuel efficient automatic transmission fluid recommended for GM, Ford and Toyota transmissions where lighter viscosity oil is required. Provides the same excellent protection and performance as AMSOIL Signature Series Multi-Vehicle ATF. Recommended ...
OTLOE Series Fuel-Efficient Synthetic ATF

AMSOIL OE Synthetic Automatic Transmission Fluid provides passenger-car/light-truck transmissions excellent wear protection, sludge resistance and extreme-temperature performance throughout original equipment manufacturer (OEM)-recommended drain inte...
PSFMulti-Vehicle Synthetic Power Steering Fluid (PSF)

AMSOIL Multi-Vehicle Synthetic Power Steering Fluid provides excellent wear protection. Its synthetic formulation delivers better lubricity and reduced friction, resulting in cooler operating temperatures, longer component life and quieter operation....
BFLVDOT 3 and 4 Synthetic Brake Fluid (BFLV)

*** This item is available for US customers only *** Brake fluid acts as a hydraulic fluid, transferring power and lubricating brake system components while also preventing corrosion. It must contend with extreme heat and the inevitable moi...
GLCSynthetic Multi-Purpose Grease NLGI #2 (GLC)

AMSOIL Synthetic Multi-Purpose Grease is qualified against the highest grease standards and designed for multiple-use applications. Composed of premium-quality synthetic base oils and calcium sulfonate complex thickeners, Multi-Purpose Grease provide...
GWRSynthetic Water Resistant Grease NLGI#2 (GWR)

Superior Lubrication and Protection in Automotive and Industrial Applications With Extensive Exposure to Water Package sizes include: 3-oz. Cartridges (not sold individually, comes in a pack of 3) 3-oz. Cartridges (case of 10) 14-oz. Cartri...
GRGDOMINATOR Synthetic Racing Grease (GRG)

Exceptional High-Speed/High-Temperature Performance. AMSOIL DOMINATOR® Synthetic Racing Grease is engineered to protect high-performance bearings and chassis components in racing applications operated on snow, dirt, water or track. Package siz...
ANTPCPassenger Vehicle Antifreeze (ANTPC)

Ethylene Glycol 50/50 Pre-Mix Formulation AMSOIL Passenger Car/Light Truck Antifreeze & Coolant provides superior heat transfer and excellent protection against corrosion, freezing and boilover. It provides maximum protection in extreme temper...
ANTAntifreeze and Engine Coolant (ANT)

AMSOIL Antifreeze & Coolant (ANT) is a low-toxicity propylene glycol antifreeze formulated to provide benefits far beyond those found in today's conventional antifreeze and coolant products. This revolutionary formulation provides maximum antifre...
wix oil filterWIX Automotive, Light Truck & Racing Oil Filters

WIX Oil filters are made with full metal base plate for superior strength at the double seal & also feature a silicone anti-drainback valve. Glass enhanced media in WIX oil filters offers greater efficiency, capturing more 10 to 12 micron sized particles than other cellulose or synthetic blend medias.
wix air filterWIX Automotive, Light Truck & Racing Air Filters

WIX panel element air filters have a linear path through the filter for low airflow restriction & an exclusive pocket pleat for the filter media. Radial air filters are constructed of mesh screen on the inside wall diameter for element strength and media protection from backfire.
wix transmission filterWIX Automotive & Light Truck Transmission Filters

WIX Transmission Filters protect automatic transmissions against contaminants in the transmission fluid system. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves.

Maintenance Schedule as Provided by OEM Documentation

Distance:
7,500 miles (12,000 km)
Action:
Inspect/rotate
Item:
Wheels & tires
Interval in Month(s):
Labor Units:
0.3
Parts Units:
0
Drive Type:
ALL
Description: A circular frame of hard material that may be solid or partly solid, is capable of turning on an axle, and holds the rubber cushion that contains compressed air.
Distance:
7,500 miles (12,000 km)
Action:
Torque
Item:
Throttle body
Interval in Month(s):
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: The large diameter valve used to control the volume of incoming air to the engine.
Distance:
7,500 miles (12,000 km)
Action:
Lubricate
Item:
Chassis
Interval in Month(s):
12
Labor Units:
0.2
Parts Units:
0
Drive Type:
ALL
Description: The frame of a vehicle to which the body attaches.
Distance:
7,500 miles (12,000 km)
Action:
Change
Item:
Engine oil
Interval in Month(s):
12
Labor Units:
0.18
Parts Units:
4.5
Drive Type:
ALL
Description: A substance that lubricates and cools the moving parts of the engine and reduces corrosion and the formation of rust.
Distance:
7,500 miles (12,000 km)
Action:
Replace
Item:
Oil filter
Interval in Month(s):
12
Labor Units:
0.1
Parts Units:
1
Drive Type:
ALL
Description: A cartridge-filled canister placed in an engine's lubricating system to strain dirt and abrasive materials out of the oil.
Distance:
15,000 miles (24,000 km)
Action:
Inspect/rotate
Item:
Wheels & tires
Interval in Month(s):
Labor Units:
0.3
Parts Units:
0
Drive Type:
ALL
Description: A circular frame of hard material that may be solid or partly solid, is capable of turning on an axle, and holds the rubber cushion that contains compressed air.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Fuel tank, cap & lines
Interval in Month(s):
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: A reservoir for the vehicle's fuel.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Spark plug wires
Interval in Month(s):
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: Cables that carry a high-voltage electrical charge the spark plug(s).
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Air filter
Interval in Month(s):
Labor Units:
0.2
Parts Units:
1
Drive Type:
ALL
Description: A device that filters incoming air fed to the engine.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Drive belt(s)
Interval in Month(s):
24
Labor Units:
0.03
Parts Units:
0
Drive Type:
ALL
Description: A belt that transfers the rotation of the engine through the crankshaft pulley to drive various devices, such as the alternator, water pump, air conditioning compressor or power steering pump.
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Spark plugs
Interval in Month(s):
Labor Units:
0.9
Parts Units:
6
Drive Type:
ALL
Description: Cables that carry a high-voltage electrical charge from the distributor cap or ignition coils to the spark plugs.
Distance:
30,000 miles (48,000 km)
Action:
Flush/replace
Item:
Coolant
Interval in Month(s):
24
Labor Units:
0.7
Parts Units:
1.5
Drive Type:
ALL
Description: Also known as "antifreeze." A mixture of water and ethylene glycol that has both a higher boiling point and a lower freezing point than plain water.
Distance:
100,000 miles (160,000 km)
Action:
Change
Item:
Automatic transmission fluid
Interval in Month(s):
Labor Units:
0.5
Parts Units:
5.4
Drive Type:
ALL
Description: The fluid used for lubricating and cooling an automatic transmission.
Distance:
100,000 miles (160,000 km)
Action:
Replace
Item:
Automatic transmission filter(s)
Interval in Month(s):
Labor Units:
0.3
Parts Units:
1
Drive Type:
ALL
Description: A component in most automatic transmissions that is fitted over the fluid intake, usually in the pan, that prevents debris and other contaminants from circulating throughout the transmission's inner workings and potentially causing unnecessary wear or damage. Some transmissions use a reusable metal or nylon mesh-type screen in place of a disposable filter.

Service Bulletin as Provided by OEM & NHTSA

Bulletin Date:
1994-11-01
Bulletin Number:
436302
NHTSA Item Number:
37848

Component Description: Fuel system, gasoline:delivery:hoses, lines/piping, and fittings.

Service Bulletin Summary: Faint buzzing noise from front of dash area. ( nhtsa item number - 37848 ).

Bulletin Date:
1995-02-01
Bulletin Number:
577106
NHTSA Item Number:
39308

Component Description: Power train:automatic transmission.

Service Bulletin Summary: Cold start rattle noise. ( nhtsa item number - 39308 ).

Bulletin Date:
1996-12-01
Bulletin Number:
577106A
NHTSA Item Number:
50571

Component Description: Power train:automatic transmission.

Service Bulletin Summary: Cold start rattle noise. ( nhtsa item number - 50571 ).

Bulletin Date:
1997-02-01
Bulletin Number:
577106A
NHTSA Item Number:
51497

Component Description: Power train:driveline:driveshaft.

Service Bulletin Summary: Cold start rattle noise (diagnosis/service procedure). ( nhtsa item number - 51497 ).

Bulletin Date:
1997-06-01
Bulletin Number:
731608
NHTSA Item Number:
52564

Component Description: Visibility:rearview mirrors/devices:interior.

Service Bulletin Summary: Excessive vibration of electrochromic inside rearview mirror. ( nhtsa item number - 52564 ).

Bulletin Date:
1997-11-01
Bulletin Number:
971101631041
NHTSA Item Number:
54065

Component Description: Structure:body:door.

Service Bulletin Summary: Comments on inoperative power door locks (front and/or rear doors). ( nhtsa item number - 54065 ).

Bulletin Date:
1998-10-01
Bulletin Number:
98833005
NHTSA Item Number:
602751

Component Description: Suspension.

Service Bulletin Summary: Some customers may comment that the vehicle ( nhtsa item number - 602751 ).

Bulletin Date:
1998-10-01
Bulletin Number:
831704
NHTSA Item Number:
602983

Component Description: Structure:body.

Service Bulletin Summary: Concerns of door handles on white painted vehicles truning yellow. ( nhtsa item number - 602983 ).

Bulletin Date:
1998-12-01
Bulletin Number:
832006
NHTSA Item Number:
603085

Component Description: Structure:body.

Service Bulletin Summary: Some customers may comment that there is corrosion ( rust ) appearing on the left and /or right rocker panel(s). ( nhtsa item number - 603085 ).


Recall Data Provided by NHTSA

#
1
Make(s):
BUICK, OLDSMOBILE, PONTIAC
Model(s):
88, 98, BONNEVILLE, LESABRE, PARK AVENUE
Year(s):
1991, 1992
Manufacturer:
GENERAL MOTORS CORP.
NHTSA ID:
91V167000
Recall Date:
n/a
Units Affected:
20,765

Affected Component: Parking brake:conventional:mechanical.

Summary: When applied, the parking brake lever assembly may release one or more teeth, reducing the cable load to the rear brakes. .

Conequence: Depending on the extent of the lever release and roadlevel. The parking brake may not hold the vehicle, allowing it to roll, whichcould result in an accident. Vehicle does not comply with fmvss 105. .

Remedy: Replace parking brake lever assembly. .

Notes: System: brakes; fmvss 105. Vehicle description: passenger cars. .

#
2
Make(s):
OLDSMOBILE, PONTIAC
Model(s):
98, BONNEVILLE
Year(s):
1991
Manufacturer:
GENERAL MOTORS CORP.
NHTSA ID:
91V198000
Recall Date:
n/a
Units Affected:
6,866

Affected Component: Power train:automatic transmission.

Summary: The console mounted shift lever may disengage from the shift control cable bracket causing loss of gear indicator reference and shift selector operation. .

Conequence: The driver can place the gear shifter in the parkposition without setting the parking brake and the transaxle may not actually bein park, resulting in unexpected vehicle movement if the vehicle is stopped on agrade. Also, the driver can place the gear selector in drive or reverse withoutturning the engine off and the transaxle may not be in the position indicated,causing the vehicle to move in the opposite direction. Both conditions canresult in a vehicle accident without prior warning. .

Remedy: Install two transaxle shift control cable retaining clips. .

Notes: System: transmission shift lever. Vehicle description: passenger vehicles with automatic transmissions. .

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