{"id":681,"date":"2026-06-29T10:50:29","date_gmt":"2026-06-29T14:50:29","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1984-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-29T10:50:29","modified_gmt":"2026-06-29T14:50:29","slug":"1984-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1984-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1984 Pontiac Bonneville 5.7L Diesel Maintenance Guide: Oil & Fluid Specs"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 1984 Pontiac Bonneville with the 5.7L 8-cylinder Diesel engine (Code N), the oil capacity is 7 quarts<\/strong> (including filter replacement). Recommended viscosities include 10W-30<\/strong> for temperatures below 16\u00b0C, 15W-40<\/strong> for -18 to 16\u00b0C, and 30 weight<\/strong> for continuous driving above 0\u00b0C. AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil<\/a> and the EAO64-EA Oil Filter<\/a>.<\/p>\n

What oil does a 1984 Pontiac Bonneville 5.7L Diesel take?<\/h2>\n

The engine requires an oil with a CF specification. Depending on your operating environment, you should select the appropriate viscosity: 10W-30 for temperatures below 16\u00b0C, 15W-40 for temperatures between -18 to 16\u00b0C, or a 30 weight oil for continuous driving above 0\u00b0C.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup for your 1984 Pontiac Bonneville 5.7L Diesel, the following products are recommended to maintain engine and component performance.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil<\/td>\nDTTQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 10W-30 Heavy-Duty 100% Synthetic Diesel Oil<\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series 5W-30 100% Synthetic Max-Duty Diesel Oil<\/td>\nDHDQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Filter<\/h3>\n
\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO64-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Antifreeze<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient 100% Synthetic ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n\n
Viscosity Range<\/th>\nCondition<\/th>\n<\/tr>\n
10W-30<\/td>\nBelow 16\u00b0C<\/td>\n<\/tr>\n
15W-40<\/td>\n-18 to 16\u00b0C<\/td>\n<\/tr>\n
30<\/td>\nAbove 0\u00b0C (Preferred for continuous driving)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Grade:<\/strong> CF<\/p>\n

How much oil does it take with a filter change?<\/h2>\n

The total capacity for the 5.7L Diesel engine is 7 quarts when replacing the oil filter. It is essential to check the oil level after refilling to ensure accuracy.<\/p>\n

Engine Oil Capacity & Torque<\/h3>\n
\n\n\n\n\n
Detail<\/th>\nSpecification<\/th>\n<\/tr>\n
Capacity (with filter)<\/td>\n7 quarts<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n20 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid Specifications<\/h2>\n

The transmission requirements vary by the specific model used. Note that for all listed transmissions, the manufacturer’s Technical Service Bulletin has updated the specification from Dexron II or III to Dexron VI.<\/p>\n

Transmission Capacities<\/h3>\n
\n\n\n\n\n\n\n
Transmission Type<\/th>\nTotal Fill Capacity<\/th>\nInitial Fill<\/th>\n<\/tr>\n
3-speed THM250C<\/td>\n10.8 quarts<\/td>\n4 quarts<\/td>\n<\/tr>\n
4-speed THM200-4R<\/td>\n11 quarts<\/td>\n5 quarts<\/td>\n<\/tr>\n
3-speed THM200C<\/td>\n9.4 quarts<\/td>\n3.5 quarts<\/td>\n<\/tr>\n
3-speed THM350C<\/td>\n10 quarts<\/td>\n3 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: All transmissions listed require AF6 specification per manufacturer updates.<\/em><\/p>\n

Diesel maintenance notes for this vehicle<\/h2>\n

Maintaining a specialized 5.7L V8 Diesel requires attention to specific systems that differ from gasoline counterparts:<\/p>\n