{"id":260,"date":"2026-05-24T11:45:52","date_gmt":"2026-05-24T15:45:52","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1980-peugeot-504-2-3l-4-cyl-diesel-maintenance-guide\/"},"modified":"2026-05-24T11:45:52","modified_gmt":"2026-05-24T15:45:52","slug":"1980-peugeot-504-2-3l-4-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1980-peugeot-504-2-3l-4-cyl-diesel-maintenance-guide\/","title":{"rendered":"1980 Peugeot 504 2.3L Diesel Engine 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 504 2.3L Diesel take?<\/h2>\n

For the 1980 Peugeot 504 with the 2.3L 4-cylinder XD2 2 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 Max-Duty Diesel Oil<\/a> (DEOQT-EA<\/a>) for high-performance protection.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, here are the recommended fluids and lubricants for your 1980 Peugeot 504 diesel engine and drivetrain components.<\/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 Synthetic Diesel Oil<\/td>\n5W-40<\/a><\/td>\nADOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Differential 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 Synthetic<\/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\/Brake Fluid<\/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 Specifications & Details<\/h2>\n

Proper lubrication is critical for the longevity of the XD2 2 Diesel engine. The AMSOIL lookup provides specific guidance on viscosity and capacity to ensure correct engine performance.<\/p>\n

Oil Viscosity & Grade<\/h3>\n
\n\n\n\n\n
Parameter<\/th>\nSpecification\/Value<\/th>\n<\/tr>\n
AMSOIL lookup oil grade<\/td>\nCF<\/td>\n<\/tr>\n
Recommended Viscosity<\/td>\n10W-40 (All TEMPS)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: For temperatures between -10 to 0\u00b0C, the viscosity is categorized as 20. For temperatures above 0\u00b0C, it is categorized as 30.<\/p>\n

Oil Capacity<\/h3>\n
\n\n\n\n
Condition<\/th>\nCapacity<\/th>\n<\/tr>\n
With Filter Change<\/td>\n5.3 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Manual & Automatic Transmission Details<\/h2>\n

Automatic Transmission (3HP-22)<\/h3>\n
\n\n\n\n\n
Fill 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>\nValue<\/th>\n<\/tr>\n
Capacity<\/td>\n2.5 pints<\/td>\n<\/tr>\n
Application Note<\/td>\nU\/K….SJ All TEMPS….10W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Common diesel oil-related concerns and how AMSOIL products may help<\/h2>\n

Diesel engines face unique stresses. The following table outlines common concerns and how the recommended AMSOIL products are designed to address them.<\/p>\n

\n\n\n\n\n\n
Concern<\/th>\nWhy it matters<\/th>\nAMSOIL product from this lookup<\/th>\nHow it may help<\/th>\nImportant limitation<\/th>\n<\/tr>\n
Engine Wear<\/td>\nHigh pressure in diesel combustion can cause component wear.<\/td>\nDEOQT-EA<\/a><\/td>\nDelivers up to 6X more wear protection.<\/td>\nRequires proper service intervals.<\/td>\n<\/tr>\n
Extreme Temperatures<\/td>\nViscosity changes can affect lubrication during cold starts or high heat.<\/td>\nADOQT-EA<\/a><\/td>\nExcels in extreme temperatures.<\/td>\nNot confirmed from source data for specific temperature limits.<\/td>\n<\/tr>\n
Differential Wear<\/td>\nHeavy loads put stress on rear axle gears.<\/td>\nAGLPK-EA<\/a><\/td>\nProvides advanced protection against wear and controls thermal runaway.<\/td>\nDiagnosis required for existing mechanical failure.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Owners of vintage Peugeot diesels should prioritize the following:<\/p>\n