{"id":850,"date":"2026-07-09T13:20:02","date_gmt":"2026-07-09T17:20:02","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-buick-riviera-5-7l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-07-09T13:20:02","modified_gmt":"2026-07-09T17:20:02","slug":"1983-buick-riviera-5-7l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-buick-riviera-5-7l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1983 Buick Riviera 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 Riviera with the 5.7L 8-cylinder Diesel engine (Code N), the oil capacity is 7 quarts<\/strong> (including filter change). Recommended viscosities include 10W-30<\/strong> for temperatures below 16\u00b0C, 15W-40<\/strong> for -18 to 16\u00b0C, and 30<\/strong> weight for continuous driving above 0\u00b0C. AMSOIL recommends using Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil<\/strong> or the Heavy-Duty 100% Synthetic Diesel Oil<\/strong> for optimal protection.<\/p>\n

What oil does a 1983 Buick Riviera 5.7L Diesel take?<\/h2>\n

The 1983 Buick Riviera with the 5.7L 8-cylinder engine (Code N) requires an oil grade of CF. Depending on your operating temperature, you should select the appropriate viscosity: 10W-30 for temperatures below 16\u00b0C, 15W-40 for -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, here are the recommended products for your 1983 Buick Riviera diesel engine and related systems.<\/p>\n

Engine Oil & Filter<\/h3>\n
\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
AMSOIL Oil Filter<\/td>\nEAO64-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Transmission<\/h3>\n
\n\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
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

Differential Gear Lube<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL SEVERE GEAR\u00ae 80W-90 100% Synthetic Gear Lube<\/td>\nAGLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL SEVERE GEAR\u00ae 75W-90 100% Synthetic Gear Lube<\/td>\nSVGPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n