{"id":456,"date":"2026-06-13T16:28:25","date_gmt":"2026-06-13T20:28:25","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-13T16:28:25","modified_gmt":"2026-06-13T20:28:25","slug":"1983-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-pontiac-bonneville-5-7l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1983 Pontiac Bonneville 5.7L Diesel Maintenance Guide | Oil & Filter 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 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<\/strong> 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 Pontiac Bonneville 5.7L Diesel take?<\/h2>\n

The 1983 Pontiac Bonneville 5.7L 8-cylinder Diesel (Engine Code N) requires an oil with a CF grade. Depending on your operating environment, the recommended viscosities are 10W-30 for temperatures below 16\u00b0C, 15W-40 for temperatures between -18 to 16\u00b0C, and a 30 weight is preferred for continuous driving when temperatures are above 0\u00b0C.<\/p>\n

AMSOIL product recommendations<\/h2>\n

The following AMSOIL products are specifically listed for the 1983 Pontiac Bonneville 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>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series 10W-30 Max-Duty Diesel Oil<\/td>\n10W-30<\/a><\/td>\nDTTQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 10W-30 Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n10W-30<\/a><\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series 5W-30 Max-Duty Diesel Oil<\/td>\n5W-30<\/a><\/td>\nDHDQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: Oil Grade is CF.<\/em><\/p>\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 ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n
Specification<\/th>\nDetails<\/th>\n<\/tr>\n
Oil Grade<\/td>\nCF<\/td>\n<\/tr>\n
Drain Plug Torque<\/td>\n20 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity<\/h3>\n
\n\n\n\n
Condition<\/th>\nCapacity<\/th>\n<\/tr>\n
With Filter Change<\/td>\n7 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: Always check the oil level after refilling.<\/em><\/p>\n

How much transmission fluid does it take?<\/h2>\n

Transmission capacity varies by the specific model of automatic transmission installed in your Bonneville. The AMSOIL lookup notes that specifications for these units have been updated from Dexron II or III to Dexron VI per manufacturer technical service bulletins.<\/p>\n

THM700-R4 Capacity<\/h3>\n
\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n5 quarts<\/td>\n<\/tr>\n
Total Fill<\/td>\n11 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

THM250C Capacity<\/h3>\n
\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n4 quarts<\/td>\n<\/tr>\n
Total Fill<\/td>\n10.8 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

THM200-4R Capacity<\/h3>\n
\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n5 quarts<\/td>\n<\/tr>\n
Total Fill<\/td>\n11 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

THM350C Capacity<\/h3>\n
\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n3 quarts<\/td>\n<\/tr>\n
Total Fill<\/td>\n10 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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