{"id":261,"date":"2026-05-24T12:02:43","date_gmt":"2026-05-24T16:02:43","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1980-peugeot-505-2-3l-4-cyl-diesel-maintenance-guide\/"},"modified":"2026-05-24T12:02:43","modified_gmt":"2026-05-24T16:02:43","slug":"1980-peugeot-505-2-3l-4-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1980-peugeot-505-2-3l-4-cyl-diesel-maintenance-guide\/","title":{"rendered":"1980 Peugeot 505 2.3L XD2 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

What oil does a 1980 Peugeot 505 2.3L XD2 Diesel take?<\/h2>\n

For the 1980 Peugeot 505 with the 2.3L 4-cylinder XD2 diesel engine, the recommended oil viscosity is 10W-40. The engine oil capacity is 5.3 quarts when performing a change with a new filter. AMSOIL recommends using Signature Series 5W-40 100% Synthetic Max-Duty Diesel Oil<\/a> (DEOQT-EA<\/a>) for outstanding extreme-pressure protection.<\/p>\n

The engine oil capacity is 5.3 quarts when including a filter change. Always check the level after refilling.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, the following products are recommended for your 1980 Peugeot 505 XD2 Diesel engine and related systems:<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nProduct Code<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n5W-40<\/a><\/td>\nDEOQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n5W-40<\/a><\/td>\nADOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Specification:<\/strong> The AMSOIL lookup note specifies an oil grade of CF.<\/p>\n

Transmission & Drive Fluids<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nProduct Code<\/th>\n<\/tr>\n
Automatic Transmission<\/td>\nSignature Series Multi-Vehicle ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nOE Multi-Vehicle Synthetic ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
Manual Transmission<\/td>\nPremium Protection 10W-40<\/a><\/td>\nAMOQT-EA<\/a><\/td>\n<\/tr>\n
Rear Differential<\/td>\nSEVERE GEAR\u00ae 80W-90 Synthetic Gear Lube<\/a><\/td>\nAGLPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Brake Fluids<\/h3>\n
\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nProduct Code<\/th>\n<\/tr>\n
Engine Coolant<\/td>\nPassenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nPropylene Glycol Antifreeze\/Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
Clutch (Hydraulic Brake)<\/td>\nDOT 3 and DOT 4 Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Filters<\/h3>\n

Oil Filter:<\/strong> No recommendations available from source data.<\/p>\n

Air Filter:<\/strong> No recommendations available from source data.<\/p>\n

Oil Vapor Filter:<\/strong> No recommendations available from source data.<\/p>\n

Transmission Filter:<\/strong> No recommendations available from source data.<\/p>\n

Engine Oil Details<\/h2>\n

Proper lubrication is critical for the longevity of the XD2 diesel engine. Below are the confirmed technical specifications for your oil service.<\/p>\n

Oil Viscosity and Capacity<\/h3>\n
\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification\/Capacity<\/th>\n<\/tr>\n
Recommended Viscosity<\/td>\n10W-40 (All Temperatures)<\/td>\n<\/tr>\n
Temperature Range: 20 (-10 to 0\u00b0C)<\/td>\nNot confirmed from source data<\/td>\n<\/tr>\n
Temperature Range: 30 (Above 0\u00b0C)<\/td>\nNot confirmed from source data<\/td>\n<\/tr>\n
Oil Capacity (with filter)<\/td>\n5.3 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Transmission and Differential Specifications<\/h2>\n

The 1980 Peugeot 505 features different requirements depending on whether you have an automatic or manual transmission setup.<\/p>\n

Automatic Transmission (3HP-22)<\/h3>\n
\n\n\n\n\n
Service Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Total Fill<\/td>\n5.5 quarts<\/td>\n<\/tr>\n
Initial Fill<\/td>\n1.7 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Manual Transmission<\/h3>\n
\n\n\n\n\n
Parameter<\/th>\nSpecification\/Capacity<\/th>\n<\/tr>\n
Fluid Type Reference<\/td>\nU\/K….SJ All TEMPS….10W-40<\/td>\n<\/tr>\n
Capacity<\/td>\n3.4 pints<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Rear Differential<\/h3>\n
\n\n\n\n\n
Parameter<\/th>\nSpecification\/Capacity<\/th>\n<\/tr>\n
Required Specification<\/td>\nGL-5 All TEMPS….80W-90, 80W<\/td>\n<\/tr>\n
Rear Capacity<\/td>\n3.4 pints<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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