{"id":328,"date":"2026-05-31T10:25:43","date_gmt":"2026-05-31T14:25:43","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1986-gmc-jimmy-6-2l-8-cyl-diesel-maintenance-guide\/"},"modified":"2026-05-31T10:25:43","modified_gmt":"2026-05-31T14:25:43","slug":"1986-gmc-jimmy-6-2l-8-cyl-diesel-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1986-gmc-jimmy-6-2l-8-cyl-diesel-maintenance-guide\/","title":{"rendered":"1986 GMC Jimmy 6.2L Diesel Oil & Maintenance Guide"},"content":{"rendered":"
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AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 1986 GMC Jimmy with the 6.2L 8-cylinder Diesel engine (Code C), the oil capacity is 7 quarts with a filter change. The preferred viscosity for 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>) paired with an AMSOIL Oil Filter<\/a> (EAO24-EA<\/a>) for optimal protection.<\/p>\n

What oil does a 1986 GMC Jimmy 6.2L Diesel take?<\/h2>\n

The 1986 GMC Jimmy 6.2L diesel engine requires an oil with the CF-4 specification. Depending on your ambient operating temperatures, you should select the appropriate viscosity from the following list: 5W-30 (Below 16\u00b0C), 10W-30 (Above -18\u00b0C, preferred), 15W-40 (Above -12\u00b0C), 20W-20 (Above -7\u00b0C), or 30 (Above 4\u00b0C).<\/p>\n

The engine oil capacity for the 1986 GMC Jimmy 6.2L diesel is 7 quarts when performing a service that includes replacing the oil filter. It is important to check the oil level after refilling to ensure accuracy.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Below are the recommended AMSOIL products for your 1986 GMC Jimmy 6.2L Diesel, categorized by system component.<\/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 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 Fluids<\/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
ATF (THM400)<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
ATF (THM400)<\/td>\nAMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n
ATF (THM350C)<\/td>\nAMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n
Specification<\/th>\nDetails<\/th>\n<\/tr>\n
Oil Grade<\/td>\nCF-4<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Viscosity Guide by Temperature<\/h3>\n
\n\n\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Below 16\u00b0C<\/td>\n5W-30<\/td>\n<\/tr>\n
Above -18\u00b0C<\/td>\n10W-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
Above 4\u00b0C<\/td>\n30<\/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