What oil does a 1980 Pontiac Parisienne 5.7L Diesel take?
For the 1980 Pontiac Parisienne with the 5.7L 8-cylinder Engine Code [N] Diesel, the recommended oil capacity is 7 quarts (including filter). Depending on your operating temperature, recommended viscosities include 10W-30 (for temperatures below 16°C), 15W-40 (-18 to 16°C), or 30 weight oil for continuous driving above 0°C. AMSOIL recommends using high-quality synthetic diesel oils like Signature Series 5W-30 or Signature Series 10W-30 paired with a WIX 51258-EA oil filter.
AMSOIL product recommendations
The following AMSOIL products are listed for your 1980 Pontiac Parisienne 5.7L Diesel engine and cooling system:
Engine Oil Options
| Product Name | Viscosity | Code |
|---|---|---|
| AMSOIL Signature Series Max-Duty Synthetic Diesel Oil | 5W-30 | DHDQT-EA |
| AMSOIL Signature Series Max-Duty Synthetic Diesel Oil | 10W-30 | DTTQT-EA |
| AMSOIL Heavy-Duty 100% Synthetic Diesel Oil | 10W-30 | ADNQT-EA |
Oil Filter
| Product Name | Part Number |
|---|---|
| WIX Oil Filter | 51258-EA |
Coolant & Antifreeze
| Product Name | Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Gear Lubricants
| Product Name | Code |
|---|---|
| AMSOIL SEVERE GEAR® 80W-90 100% Synthetic Gear Lube | AGLPK-EA |
| AMSOIL SEVERE GEAR® 75W-90 100% Synthetic Gear Lube | SVGPK-EA |
| AMSOIL SEVERE GEAR® 75W-110 100% Synthetic Gear Lube | SVTPK-EA |
Engine Oil Specifications & Details
Proper lubrication is critical for the longevity of the 5.7L diesel engine. Ensure you follow the correct viscosity based on your ambient temperature.
Oil Viscosity Guide
| Temperature Range | Recommended Viscosity |
|---|---|
| Below 16°C | 10W-30 |
| -18 to 16°C | 15W-40 |
| Above 0°C (Continuous Driving) | 30 |
Oil Capacity & Torque
| Metric | Specification |
|---|---|
| Capacity (with filter) | 7 quarts |
| Oil Drain Plug Torque | 30 ft/lbs |
| Oil Specification (Grade) | CF |
Maintenance Overview
Regular maintenance for this vintage diesel engine includes monitoring the cooling system and ensuring high-quality fuel management. Always check oil levels after refilling.
Cooling System Capacity
| Component | Capacity |
|---|---|
| Coolant | 18 quarts |
Other Components
- Air Filter: No recommendations available from source data.
- Oil Vapor Filter: No recommendations available from source data.
- Automatic Transmission Fluid: No recommendations available from source data.
- Manual Transmission Fluid: No recommendations available from source data.
- Transfer Case Lubricant: No recommendations available from source data.
Diesel maintenance notes for this vehicle
Owners of the 1980 Pontiac Parisienne diesel should prioritize monitoring engine temperature and fuel quality. Because these large-displacement engines can be sensitive to thermal fluctuations, maintaining a robust cooling system is essential. Additionally, sourcing period-correct fuel filters and high-quality additives is recommended for optimal performance.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Engine Wear | Diesel engines face high pressure and friction. | DHDQT-EA | Delivers up to 6X more wear protection. | Requires regular oil changes. |
| Extreme Temperatures | Fluctuating temps affect viscosity and flow. | DTTQT-EA | Excels in extreme temperatures. | Not a substitute for proper viscosity selection. |
| Oil Consumption | High mileage engines may burn oil. | ADNQT-EA | Designed to minimize oil consumption. | Does not repair mechanical leaks. |
About this vehicle
The 1980 Pontiac Parisienne represents a specific era of General Motors’ full-size vehicle lineup. While the Parisienne was sold in Canada from 1958 to 1986 and returned to the United States market between 1983 and 1986, this specific 1980 model year falls into a transitional period for the nameplate. Historically, the Parisienne was often mechanically similar to Chevrolet’s full-size offerings, such as the Impala or Caprice.
This vehicle is identified by its 5.7L 8-cylinder diesel engine (Engine Code N). Because technical specifications like precise horsepower or torque ratings can vary, owners should verify details through official GM service manuals. Diesel engines of this era often require distinct maintenance schedules compared to gasoline counterparts, particularly regarding fuel filtration, glow plug operation, and cooling system integrity.
Typical use cases for a full-size vehicle of this vintage include cruising and long-distance travel. However, the reliability of early 1980s diesel technology is a primary focus for modern owners. Maintenance should prioritize high-quality fuel management and monitoring of engine temperature, as these large-displacement diesel engines can be sensitive to thermal fluctuations and fuel quality issues common in older systems.
Recall, TSB, and manufacturer communication notes
Official NHTSA recall research for the 1980 Pontiac Parisienne returned no recall records. However, owners should always verify open recalls by VIN, as applicability depends on production date, trim, and specific equipment. Official complaint research also returned no records via the NHTSA API; please note that a lack of reported complaints does not prove a vehicle has no issues.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 1980 Pontiac Parisienne 5.7L Diesel take?
It takes 7 quarts of oil when performing an oil change with a new filter.
What is the best oil viscosity for my diesel engine?
The AMSOIL lookup recommends 10W-30 for temperatures below 16°C, 15W-40 for -18 to 16°C, and 30 weight for continuous driving above 0°C.
Can I use synthetic oil in this older diesel?
Yes, AMSOIL offers high-performance options like the Signature Series DTTQT-EA which is designed to provide superior wear protection.
What should I use for my cooling system?
The AMSOIL lookup lists ANTPC1G-EA and ANT1G-EA for this application.
How much coolant does the system hold?
The cooling system capacity is 18 quarts.
How do I check for recalls on my vehicle?
You should verify open recalls by using your specific Vehicle Identification Number (VIN) through official manufacturer or NHTSA channels.
Disclaimer: Not confirmed from source data. Always cross-reference all technical specifications with your owner’s manual or a certified mechanic to ensure compatibility with your specific engine and vehicle configuration.