{"id":683,"date":"2026-06-29T14:12:31","date_gmt":"2026-06-29T18:12:31","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-oldsmobile-calais-5-7l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-29T14:12:31","modified_gmt":"2026-06-29T18:12:31","slug":"1983-oldsmobile-calais-5-7l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-oldsmobile-calais-5-7l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1983 Oldsmobile Calais 5.7L Diesel Oil & Maintenance Guide"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 1983 Oldsmobile Calais 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 temperatures above 0\u00b0C. AMSOIL recommends using high-quality synthetic diesel oils like Signature Series 10W-30<\/a> or Signature Series 5W-30<\/a> for superior wear protection.<\/p>\n

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

The 1983 Oldsmobile Calais with the 5.7L 8-cylinder engine (Code N) requires an oil grade of CF. Depending on your operating environment, you should select a viscosity of 10W-30 for temperatures below 16\u00b0C, 15W-40 for temperatures between -18 to 16\u00b0C, or a 30 weight for temperatures above 0\u00b0C.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup, here are the recommended fluids and filters for your 1983 Oldsmobile Calais 5.7L Diesel.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n10W-30<\/a><\/td>\nDTTQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 10W-30 Heavy-Duty Diesel Oil<\/td>\n10W-30<\/a><\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series 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 Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO64-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n51522XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n51522-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Transmission Fluids<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nPart Code<\/th>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
ATF<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
ATF<\/td>\nAMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

The engine requires 7 quarts of oil when performing a service that includes replacing the oil filter. It is essential to check the oil level after refilling to ensure accuracy. The oil drain plug should be torqued to 30 ft\/lbs.<\/p>\n

Engine Oil Specifications & Details<\/h2>\n

Maintaining proper lubrication is vital for this diesel engine architecture. Below are the confirmed technical details from the AMSOIL lookup.<\/p>\n

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<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Maintenance Specifications<\/h3>\n