For the 1982 Buick Century with the 4.3L 6-cylinder Engine Code [T] Diesel, the engine oil capacity is 6 quarts (including filter replacement). Recommended viscosities include 10W-30 for temperatures below 16°C, 15W-40 for temperatures between -18 to 16°C, and 30 weight oil for temperatures above 0°C (preferred for continuous driving). AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil paired with an AMSOIL oil filter for optimal protection.
What oil does a 1982 Buick Century 4.3L Diesel take?
The 1982 Buick Century with the 4.3L 6-cylinder diesel engine requires an oil grade of CF. The specific viscosity depends on your operating temperature: use 10W-30 for temperatures below 16°C, 15W-40 for -18 to 16°C, and 30 weight oil for continuous driving in temperatures above 0°C.
AMSOIL product recommendations
The following AMSOIL products are specifically listed for the 1982 Buick Century 4.3L Diesel engine to assist with maintenance and performance.
Engine Oil Options
| Product Name | Viscosity | Part Code |
|---|---|---|
| AMSOIL Signature Series Max-Duty Diesel Oil | 10W-30 | DTTQT-EA |
| AMSOIL 10W-30 Heavy-Duty Diesel Oil | 10W-30 | ADNQT-EA |
| AMSOIL Signature Series Max-Duty Diesel Oil | 5W-30 | DHDQT-EA |
Note: Oil Grade for this application is CF.
Oil Filter Options
| Product Name | Part Code |
|---|---|
| AMSOIL Oil Filter | EAO23-EA |
| WIX XP Oil Filter | 51036XP-EA |
| WIX Oil Filter | 51036-EA |
Coolant & Transmission Fluid
| Component | Product Name | Part Code |
|---|---|---|
| Coolant | AMSOIL Passenger Car & Light Truck Antifreeze | ANTPC1G-EA |
| Coolant | AMSOIL Propylene Glycol Antifreeze | ANT1G-EA |
| ATF | AMSOIL Signature Series Fuel-Efficient ATF | ATLPK-EA |
| ATF | AMSOIL OE Fuel-Efficient ATF | OTLQT-EA |
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Grade | CF |
| Drain Plug Torque | 26 ft/lbs |
Oil Capacity Details
| Condition | Capacity |
|---|---|
| With Filter Change | 6 quarts |
Note: Always check the oil level after refilling.
How much oil does it take with a filter change?
A complete oil and filter service for this vehicle requires 6 quarts of oil. When performing the service, ensure you torque the oil drain plug to 26 ft/lbs. It is essential to verify the oil level after the refill is complete to ensure proper lubrication.
Diesel maintenance notes for this vehicle
Maintaining a vintage diesel engine requires attention to specific systems. Owners of these compression-ignition engines should prioritize:
- Fuel System Integrity: Maintaining fuel quality and inspecting delivery systems is critical for diesel performance.
- Cooling System Optimization: Ensure the cooling system is optimized to handle the thermal demands of a diesel engine.
- Glow Plug Operation: Regular checks on glow plugs are recommended for reliable starting.
- Rubber Components: Inspect aging rubber hoses and fuel lines, as these are common points of concern in high-mileage classic diesels.
Common diesel oil-related concerns and how AMSOIL products may help
Diesel engines face unique stresses that require specialized lubrication strategies.
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Engine Wear | High pressure in diesel cylinders causes friction. | DTTQT-EA | Delivers up to 6X more wear protection. | Requires proper service intervals. |
| Extreme Temperatures | Viscosity changes can affect lubrication. | DHDQT-EA | Excels in extreme temperatures. | Not a substitute for mechanical repair. |
| Contaminants | Small particles can cause engine damage. | EAO23-EA | 99% efficiency at 20 microns. | Must be replaced per service schedule. |
Common maintenance concerns for this vehicle
Based on the vehicle profile, owners of the 1982 Buick Century Diesel should consider the following practical checks:
- Fuel Delivery Systems: Inspecting fuel lines and pumps to prevent air leaks or contamination.
- Cooling Hoses: Checking for cracks or leaks in aging rubber hoses to maintain thermal stability.
- Thermal Demands: Monitoring the cooling system closely, as diesel engines have high thermal requirements.
Recall, TSB, and manufacturer communication notes
Official NHTSA recall research for the 1982 Buick Century returned no records at this time. However, owners should always verify open recalls by using their specific VIN, as applicability depends on production date and equipment. Official TSB research was not included in this draft; please consult a dealer or professional service manual for the latest manufacturer communications.
About this vehicle
The 1982 Buick Century represents a significant era in Buick’s history, marking the transition to front-wheel drive for this model line. During this period, the Century was available in various body styles, including coupes, sedans, and station wagons. This specific model features the 4.3L 6-cylinder diesel engine (Code T).
As a vehicle from an era where Buick positioned itself as a premium brand within General Motors’ portfolio, maintenance often requires cross-referencing parts with other GM platforms from the early 1980s. Because this is a vintage diesel, owners typically focus on maintaining fuel quality and ensuring that the cooling system is optimized for the thermal demands of a compression-ignition engine. Maintenance context should prioritize the inspection of aging rubber components and fuel delivery systems, which are common points of interest for high-mileage classic diesel owners.
Note: Specific technical details regarding performance metrics and exact production specifications should be verified through dedicated service manuals.
Common questions about this vehicle’s diesel oil and maintenance
What is the oil capacity for my 1982 Buick Century Diesel?
The capacity is 6 quarts when replacing the filter. Always check the oil level after refilling to ensure accuracy.
Which viscosity should I use in cold weather?
For temperatures below 16°C, 10W-30 is recommended. If temperatures are between -18 and 16°C, 15W-40 is an option.
How much torque is needed for the oil drain plug?
The oil drain plug should be torqued to 26 ft/lbs.
Can I use synthetic oil in this diesel engine?
Yes, AMSOIL offers several synthetic options such as DTTQT-EA which is designed for max-duty diesel applications.
What kind of coolant does this vehicle need?
The AMSOIL lookup lists ANTPC1G-EA and concentrated propylene glycol options. Always check your cooling system capacity, which is approximately 13.2 to 13.7 quarts depending on configuration.
How do I check for active recalls on my Buick?
While no NHTSA records were found in this search, you should always verify open recalls by entering your VIN on the official NHTSA or Buick website.
Disclaimer: Information provided is based on available source data. Always consult your original factory service manual or a verified VIN-specific database before performing any fluid changes or mechanical repairs.