{"id":398,"date":"2026-06-08T12:34:37","date_gmt":"2026-06-08T16:34:37","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-chevrolet-c10-2wd-pickup-6-2l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-06-08T12:34:37","modified_gmt":"2026-06-08T16:34:37","slug":"1985-chevrolet-c10-2wd-pickup-6-2l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-chevrolet-c10-2wd-pickup-6-2l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1985 Chevrolet C10 2wd Pickup 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 1985 Chevrolet C10 2wd Pickup 6.2L Diesel take?<\/h2>\n

For the 1985 Chevrolet C10 2wd Pickup 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 is SAE 10W-30 for temperatures above -18\u00b0C, though 15W-40 (above -12\u00b0C) and 20W-20 (above -7\u00b0C) are also listed options. AMSOIL recommends using high-quality synthetic diesel oils like Signature Series 10W-30<\/a> or Signature Series 5W-30<\/a> for superior protection.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, here are the recommended fluids and filters for your 6.2L diesel engine and related systems.<\/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 & Transmission Fluid<\/h3>\n
\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
AT (4-Speed THM700-R4)<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AT (4-Speed THM700-R4)<\/td>\nAMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n
AT (3-Speed THM400)<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Maintaining the correct oil viscosity is critical for the longevity of the 6.2L diesel engine, especially when operating in varying temperature ranges.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n
Temperature Range<\/th>\nPreferred Viscosity<\/th>\n<\/tr>\n
Above -18\u00b0C<\/td>\nSAE 10W-30 (Preferred)<\/td>\n<\/tr>\n
Above -12\u00b0C<\/td>\n15W-40<\/td>\n<\/tr>\n
Above -7\u00b0C<\/td>\n20W-20<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Capacity and Torque Specs<\/h3>\n