{"id":895,"date":"2026-07-11T03:26:26","date_gmt":"2026-07-11T07:26:26","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-buick-electra-5-7l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-07-11T03:26:26","modified_gmt":"2026-07-11T07:26:26","slug":"1983-buick-electra-5-7l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-buick-electra-5-7l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1983 Buick Electra 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 1983 Buick Electra with the 5.7L 8-cylinder Diesel engine (Engine Code N), the oil capacity is 6.6 quarts with a filter change. Recommended viscosities include 10W-30 for temperatures below 16\u00b0C, 15W-40 for -18 to 16\u00b0C, and 30 weight 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 1983 Buick Electra 5.7L Diesel take?<\/h2>\n

The engine requires an oil with a CF grade specification. Depending on your operating environment, you should select the appropriate viscosity to ensure proper lubrication and protection for this compression-ignition engine.<\/p>\n

AMSOIL product recommendations<\/h2>\n

The following AMSOIL products are specifically listed for the 1983 Buick Electra 5.7L Diesel to support engine longevity and 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 Recommendation<\/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
Detail<\/th>\nSpecification<\/th>\n<\/tr>\n
Oil Grade<\/td>\nCF<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Below 16\u00b0C<\/td>\n10W-30<\/td>\n<\/tr>\n
-18 to 16\u00b0C<\/td>\n15W-40<\/td>\n<\/tr>\n
Above 0\u00b0C<\/td>\n30 (Preferred for continuous driving)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

The total capacity for the 5.7L 8-cylinder diesel engine is 6.6 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
Component<\/th>\nCapacity \/ Torque<\/th>\n<\/tr>\n
Oil Capacity (with filter)<\/td>\n6.6 quarts<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n30 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid Specifications<\/h2>\n

The 1983 Buick Electra uses several different transmission models. Note that manufacturer technical service bulletins have updated the specification from Dexron II or III to Dexron VI for these applications.<\/p>\n

Transmission Capacity & Requirements<\/h3>\n
\n\n\n\n\n\n\n
Transmission Model<\/th>\nTotal Fill<\/th>\nInitial Fill<\/th>\n<\/tr>\n
THM325-4L (4 speed)<\/td>\n10 quarts<\/td>\n3.2 quarts<\/td>\n<\/tr>\n
THM200-4R (4 speed)<\/td>\n11 quarts<\/td>\n5 quarts<\/td>\n<\/tr>\n
THM350C (3 speed)<\/td>\n10 quarts<\/td>\n3 quarts<\/td>\n<\/tr>\n
THM250C (3 speed)<\/td>\n10.8 quarts<\/td>\n4 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: The AMSOIL lookup note references Dexron VI per a manufacturer Technical Service Bulletin for these applications.<\/em><\/p>\n

Cooling System Specifications<\/h2>\n

Maintaining the cooling system is vital for diesel engine integrity. The 1983 Electra has a total coolant capacity of 18 quarts.<\/p>\n

\n\n\n\n
Component<\/th>\nCapacity<\/th>\n<\/tr>\n
Coolant System<\/td>\n18 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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