{"id":650,"date":"2026-06-27T10:52:28","date_gmt":"2026-06-27T14:52:28","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1984-oldsmobile-cutlass-4-3l-6-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-27T10:52:28","modified_gmt":"2026-06-27T14:52:28","slug":"1984-oldsmobile-cutlass-4-3l-6-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1984-oldsmobile-cutlass-4-3l-6-cyl-diesel-maintenance-guide\/","title":{"rendered":"1984 Oldsmobile Cutlass 4.3L 6-Cyl Diesel 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 1984 Oldsmobile Cutlass with the 4.3L 6-cylinder Engine Code [V] V Diesel, 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 SAE 30 (preferred) for temperatures above 0\u00b0C. AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil<\/a> or Signature Series 5W-30 Max-Duty Diesel Oil<\/a> paired with an AMSOIL oil filter<\/a>.<\/p>\n

What oil does a 1984 Oldsmobile Cutlass 4.3L Diesel take?<\/h2>\n

The 1984 Oldsmobile Cutlass 4.3L 6-cylinder diesel requires an oil grade of CF. The specific viscosity depends on your operating temperature: use 10W-30 for temperatures below 16\u00b0C, 15W-40 for -18 to 16\u00b0C, and SAE 30 is preferred for temperatures above 0\u00b0C.<\/p>\n

The engine oil capacity for this vehicle is 6.6 quarts when performing a service with the oil filter. It is important to check the oil level after refilling to ensure accuracy.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the vehicle specifications, AMSOIL provides several high-performance lubrication and filtration options to maintain this diesel engine.<\/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 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>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO23-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n51036XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n51036-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Transmission Fluid<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/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

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n
Specification<\/th>\nDetail<\/th>\n<\/tr>\n
Oil Grade<\/td>\nCF<\/td>\n<\/tr>\n
Drain Plug Torque<\/td>\n30 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant Capacity<\/h3>\n
\n\n\n\n\n
Configuration<\/th>\nCapacity<\/th>\n<\/tr>\n
With O AC<\/td>\n14.8 quarts<\/td>\n<\/tr>\n
With AC<\/td>\n14.3 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid (ATF)<\/h3>\n

For the automatic transmission THM700-R4, the AMSOIL lookup notes that the specification has been updated from Dexron II or III to Dexron VI per a manufacturer Technical Service Bulletin. <\/p>\n

\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
4-speed THM700-R4 Total Fill<\/td>\n10.9 quarts<\/td>\n<\/tr>\n
Initial Fill<\/td>\n5 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

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