What oil does a 1983 Pontiac Parisienne 5.7L Diesel take?
For the 1983 Pontiac Parisienne with the 5.7L 8-cylinder Engine Code [N] Diesel, the recommended oil viscosity depends on ambient temperatures: 10W-30 for temperatures below 16°C, 15W-40 for -18°C to 16°C, and 30 weight is preferred for continuous driving above 0°C. The engine requires a capacity of 7 quarts with a filter change. AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil or Signature Series 5W-30 Max-Duty Diesel Oil paired with an AMSOIL Oil Filter.
AMSOIL product recommendations
The following AMSOIL products are listed for your 1983 Pontiac Parisienne 5.7L Diesel to assist with routine maintenance and engine protection.
Engine Oil Options
| Product Name | Code |
|---|---|
| AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil | DTTQT-EA |
| AMSOIL Signature Series 5W-30 100% Synthetic Max-Duty Diesel Oil | DHDQT-EA |
| AMSOIL 10W-30 Heavy-Duty 100% Synthetic Diesel Oil | ADNQT-EA |
Oil Filter
| Product Name | Code |
|---|---|
| AMSOIL Oil Filter | EAO64-EA |
Coolant & Antifreeze
| Product Name | Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Automatic Transmission Fluid
| Product Name | Code |
|---|---|
| AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF | ATLPK-EA |
| AMSOIL OE Fuel-Efficient 100% Synthetic ATF | OTLQT-EA |
Engine Oil Specifications & Details
Proper lubrication is critical for the longevity of the 5.7L diesel engine. Always verify your specific operating environment to select the correct viscosity.
Oil Viscosity Guide
| Condition | Viscosity |
|---|---|
| Below 16°C | 10W-30 |
| -18°C to 16°C | 15W-40 |
| Above 0°C (Continuous Driving) | 30 |
Oil Grade: CF
Capacity & Torque Specs
| Component | Specification |
|---|---|
| Oil Capacity (with filter) | 7 quarts |
| Oil Drain Plug Torque | 30 ft/lbs |
Note: After refilling, always check the oil level.
Transmission Fluid Specifications
The 1983 Parisienne utilizes several automatic transmission models. Note that manufacturer technical service bulletins have updated specifications for these units.
THM250C (3-Speed)
- Specification: AF6 (Updated from Dexron II or III to Dexron VI per manufacturer TSB)
- Total Fill Capacity: 10.8 quarts
- Initial Fill Capacity: 4 quarts
THM700-R4 (4-Speed)
- Specification: AF6 (Updated from Dexron II or III to Dexron VI per manufacturer TSB)
- Total Fill Capacity: 10.9 quarts
- Initial Fill Capacity: 5 quarts
THM350C (3-Speed)
- Specification: AF6 (Updated from Dexron II or III to Dexron VI per manufacturer TSB)
- Total Fill Capacity: 10 quarts
- Initial Fill Capacity: 3 quarts
THM200-4R (4-Speed)
- Specification: AF6 (Updated from Dexron II or III to Dexron VI per manufacturer TSB)
- Total Fill Capacity: 11 quarts
- Initial Fill Capacity: 5 quarts
Cooling System Specifications
Maintaining the cooling system is vital for diesel engines which operate under unique thermal profiles.
| Component | Specification |
|---|---|
| Coolant Capacity | 18 quarts |
AMSOIL Options:
– Passenger Car & Light Truck Antifreeze (50/50 pre-mix, OAT formulation)
– Propylene Glycol Antifreeze (Concentrated – requires mixing with distilled or high-quality water)
Diesel maintenance notes for this vehicle
Owners of the 1983 Pontiac Parisienne 5.7L Diesel should focus on several key areas to ensure reliability:
- Fuel System Integrity: Monitor for air in the lines and maintain fuel filtration to prevent issues common in early 1980s diesel technology.
- Cooling Efficiency: Ensure the cooling system is efficient, as diesel engines have different thermal requirements than gasoline counterparts.
- Oil Level Monitoring: Always check oil levels after a refill and during regular maintenance intervals.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Engine Wear | Diesel combustion creates high pressure and friction. | Signature Series Diesel Oil | Delivers up to 6X more wear protection. | Requires proper service intervals. |
| Contaminants | Small particles can cause abrasive wear. | AMSOIL Oil Filter | 99% efficiency at 20 microns; greater capacity for small contaminants. | Filter must be replaced regularly. |
| Temperature Extremes | Viscosity changes can affect lubrication during startup or heavy use. | Signature Series 5W-30 | Excels in extreme temperatures and maintains proper viscosity. | Select viscosity based on ambient temperature. |
Recall, TSB, and manufacturer communication notes
NHTSA Recall Information:
A recall was identified regarding certain Honeywell FRAM Racing Brand HP4 and HP8 oil filters manufactured between May 25, 2006, and September 14, 2007. The concern involves the gasket becoming more pliable under high temperatures/pressures, which may cause inadequate sealing and potential oil loss or fire risk. Owners should verify if their replacement filters are affected by checking date codes.
Note: Always verify open recalls using your specific VIN through official manufacturer channels.
About this vehicle
The 1983 Pontiac Parisienne represents a specific era of General Motors’ full-size vehicle lineup. Built on the GM B platform, the Parisienne nameplate has a long history, particularly in Canada, while its presence in the United States was more focused between 1983 and 1986. This model is commonly associated with large-capacity sedans or wagons designed for families or long-distance cruising.
This specific variant features the 5.7L 8-cylinder diesel engine (Engine Code N). Because this model utilizes a diesel powertrain, maintenance requirements differ significantly from the gasoline-powered V8 engines often found in other Pontiac models like the Catalina or Grand Prix. Owners of this diesel variant should be aware that early 1980s diesel technology requires specialized attention regarding fuel system integrity, glow plug operation, and compression management to maintain long-term reliability.
When performing maintenance, it is important to note that while the Parisienne nameplate is well-documented, mechanical configurations for the ‘N’ code engine should be carefully verified against service manuals to ensure compatibility with modern parts. Owners often research fuel filtration and cooling system efficiency as primary areas of concern for this specific powertrain.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 1983 Parisienne 5.7L Diesel take?
The engine requires 7 quarts of oil when performing a change that includes the oil filter.
What is the correct oil viscosity for my diesel engine?
Viscosity should be chosen based on temperature: 10W-30 for below 16°C, 15W-40 for -18°C to 16°C, and 30 weight is preferred for continuous driving above 0°C.
Can I use Dexron III in my automatic transmission?
The AMSOIL lookup note indicates that for the THM transmissions used in this vehicle, the specification has been updated from Dexron II or III to Dexron VI per a manufacturer Technical Service Bulletin.
What should I do if I am looking for an oil filter?
The AMSOIL lookup lists the EAO64-EA filter as a recommended option for this application.
How often should I change my coolant?
While specific intervals are not provided in the source, AMSOIL offers protection up to 150,000 miles or 5 years for certain formulations. Always consult your manual for recommended service intervals.
Is there a recall on my oil filters?
NHTSA research shows a recall for specific FRAM Racing HP4 and HP8 filters manufactured in 2006-2007. You should verify your filter’s date code or check your VIN with a dealer.
Disclaimer: Not all information provided is confirmed from source data. Always consult an official workshop manual or professional mechanic to ensure compatibility and prevent engine damage.