{"id":684,"date":"2026-06-29T15:50:38","date_gmt":"2026-06-29T19:50:38","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-chevrolet-blazer-6-2l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-29T15:50:38","modified_gmt":"2026-06-29T19:50:38","slug":"1983-chevrolet-blazer-6-2l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1983-chevrolet-blazer-6-2l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1983 Chevrolet Blazer 6.2L 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 1983 Chevrolet Blazer 6.2L Diesel take?<\/h2>\n

For the 1983 Chevrolet Blazer with the 6.2L 8-cylinder diesel engine (Engine Code C), the recommended oil capacity is 7 quarts with a filter change. The preferred viscosity for most temperatures above -18\u00b0C is SAE 10W-30. AMSOIL recommends using Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil<\/a> (DTTQT-EA<\/a>) or Signature Series 5W-30<\/a> (DHDQT-EA<\/a>) depending on your climate.<\/p>\n

AMSOIL product recommendations<\/h2>\n

The following AMSOIL products are listed for the 1983 Chevrolet Blazer 6.2L Diesel to assist with routine maintenance and engine protection.<\/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

Oil Specification:<\/strong> CF-4<\/p>\n

Oil Filter Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO24-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n51061-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 & Details<\/h2>\n

Selecting the correct viscosity for your 6.2L diesel is critical for maintaining proper lubrication across varying ambient temperatures.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Above -18\u00b0C<\/td>\n10W-30, 10W-40 (SAE 10W-30 preferred)<\/td>\n<\/tr>\n
Above -12\u00b0C<\/td>\n15W-40<\/td>\n<\/tr>\n
Above -7\u00b0C<\/td>\n20W-20, 20W-40, 20W-50<\/td>\n<\/tr>\n
Above 4\u00b0C<\/td>\n30<\/td>\n<\/tr>\n
Below 16\u00b0C<\/td>\n5W-30<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Capacity<\/h3>\n

Capacity:<\/strong> 7 quarts (with filter). Always check the oil level after refilling.<\/p>\n

Automatic Transmission Fluid Details<\/h2>\n

The 1983 Chevrolet Blazer utilizes specific transmissions that require appropriate fluid types. Note that manufacturer technical service bulletins may have updated specifications from Dexron II\/III to Dexron VI.<\/p>\n

Transmission Specifications<\/h3>\n